I7 4790 vs i7 8700: Intel Core i7-4790 @ 3.60GHz vs Intel Core i7-8700 @ 3.20GHz [cpubenchmark.net] by PassMark Software

Bullet Points DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black
:

• — PC Black 460 W
• — Intel® Core™ i7 i7-4790 3. 6 GHz
• — 32 GB DDR3-SDRAM 4x DIMM
• — 3256 GB HDD+SSD Blu-Ray ROM Card reader integrated
• — Intel® HD Graphics 4600 AMD Radeon R9 270 NVIDIA G-SYNC
• — 10/100/1000Base-T(X) Wi-Fi 4 (802.11n) Bluetooth version: 4.0
• — Windows 8.1 64-bit

Long product name DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black
:

The short editorial description of DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black

XPS 8700 — Intel Core i7-4790 (8M Cache, up to 4. 00 GHz), 32GB DDR3 1600MHz, 3TB HDD + 256GB SSD, Bluray, AMD Radeon R9 270, 802.11b/g/n, Bluetooth 4.0, Windows 8.1 64-bit

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DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black:

The official marketing text of DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black as supplied by the manufacturer

Fast, seamless performance
Own the fastest XPS mini tower ever (16.01” high). With 4th Gen Intel® Core™ processors performing up to 15 percent better than the previous generation3, you can blaze through system-intensive applications like video editing, HD video playback, serious multitasking and extreme gaming.

Ample storage and expandability
— The XPS 8700 comes standard with 1TB4 of hard drive (HDD) storage. You can also use your four easily accessible bays to take advantage of one of the following:
— Opt for 2TB hard-drive storage and keep an impressive digital media library — around half a million photos or songs, 240 hours of video or 550 movies. And if even that’s not enough, you have the ability to expand to 4TB.
— The more memory, the better. At any time, installing more memory is a simple operation. Choose up to 16GB4 RAM now, with room for additional 16GB4 RAM when you’re ready.

More ports, faster connections
— Connect and sync a range of devices and displays with a total of 10 USB ports, Bluetooth 4.0 and HDMI.
— Six USB 3.0 ports lets you connect more of your devices, and can transfer data at speeds up to ten times faster than USB 2.0.
— Hook up HD displays and stream content to an HDTV using your HDMI port.
— 19-in-1 media card reader lets you upload photos, videos and more without wires.
— Sync Bluetooth devices and connect to the internet with a Dell Wireless-N 1703 card.

Advanced graphics and sound
— Create HD masterpieces and experience your favorite movies, shows and games with a cinematic richness and detail.
— For advanced gaming and video editing, opt for NVIDIA® GeForce® GTX 660 graphics.
— Studio-quality sound is built right in, with GRAMMY Award-winning audio technology integrated 7.1-Channel (6 jack) Audio with Waves MaxxAudio® 4 software.

Experience Windows 8
— XPS 8700 comes fully loaded with Windows 8, whose features include a fluid, touch-enabled interface, apps for work or fun and automatic syncing of settings and files across all your internet-connected Windows 8 devices5.
— A new desktop design with tiles you can swap out and arrange so that the information you need to see most is always front and center.
— Stay up to date with social media, news, stocks and more that refresh even while your system is in sleep mode6.
— Add a Dell multi-touch display at checkout (sold separately) to interact with Windows 8 using your fingertips.

Services
We’re here and ready to help. Along with your Limited Hardware Warranty7, you can customize a suite of services just right for you (including In-Home Service After Remote Diagnosis8 and Accidental Damage Service)9. Find out more at our Consumer Services Store.

Software
Your XPS 8700 comes preloaded with Skype™ for video chatting4, a McAfee® AntiVirus trial subscription and more. Browse Dell.com to find additional software for turning your vision into reality.

Short summary description DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black:

This short summary of the DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black data-sheet is auto-generated and uses the product title and the first six key specs.

DELL XPS 8700, 3. 6 GHz, Intel® Core™ i7, 32 GB, 3256 GB, Blu-Ray ROM, Windows 8.1

Long summary description DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black:

This is an auto-generated long summary of DELL XPS 8700 i7-4790 Desktop Intel® Core™ i7 32 GB DDR3-SDRAM 3256 GB HDD+SSD Windows 8.1 PC Black based on the first three specs of the first five spec groups.

DELL XPS 8700. Processor frequency: 3.6 GHz, Processor family: Intel® Core™ i7, Processor model: i7-4790. Internal memory: 32 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 3256 GB, Storage media: HDD+SSD, Optical drive type: Blu-Ray ROM. On-board graphics card model: Intel® HD Graphics 4600, Discrete graphics card model: AMD Radeon R9 270. Operating system installed: Windows 8.1, Operating system architecture: 64-bit. Power supply: 460 W. Product type: PC

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Specs

Reviews

Specs

Processor

Processor manufacturer
*

Intel

Processor generation

4th gen Intel® Core™ i7

Processor model
*

i7-4790

Processor family
*

Intel® Core™ i7

Processor cores

4

Processor boost frequency

4 GHz

Processor frequency
*

3. 6 GHz

Processor socket

LGA 1150 (Socket h4)

Processor cache

8 MB

Processor cache type

Smart Cache

Processor threads

8

System bus rate

5 GT/s

Bus type

DMI

FSB Parity

Processor lithography

22 nm

Processor operating modes

32-bit, 64-bit

Processor series

Intel Core i7-4700 Desktop series

Processor codename

Haswell

Thermal Design Power (TDP)

84 W

Tcase

72.72 °C

PCI Express slots version

3.0

Maximum number of PCI Express lanes

16

PCI Express configurations

1×16, 2×8, 1×8+2×4

Number of processors installed

1

Stepping

C0

Maximum internal memory supported by processor

32 GB

Memory types supported by processor

DDR3-SDRAM

Memory clock speeds supported by processor

1333,1600 MHz

Memory bandwidth supported by processor (max)

25.6 GB/s

ECC supported by processor

Memory

Internal memory
*

32 GB

Maximum internal memory
*

32 GB

Internal memory type

DDR3-SDRAM

Memory slots

4x DIMM

Memory clock speed

1600 MHz

Non-ECC

Memory channels

Dual-channel

Storage

Card reader integrated

Total storage capacity
*

3256 GB

Storage media
*

HDD+SSD

Optical drive type
*

Blu-Ray ROM

Number of storage drives installed

2

Number of HDDs installed

1

HDD capacity

3000 GB

Number of SSDs installed

1

SSD capacity

256 GB

Compatible memory cards

Memory Stick (MS), MiniSD, MMC, MS PRO, MS PRO Duo, MS Pro-HG Duo, MSXC, SD

RAID support

RAID levels

0, 1, 5, 10

Graphics

Discrete graphics card model
*

AMD Radeon R9 270

On-board graphics card
*

On-board graphics card family

Intel® HD Graphics

On-board graphics card model
*

Intel® HD Graphics 4600

On-board graphics card base frequency

350 MHz

On-board graphics card dynamic frequency (max)

1200 MHz

Maximum on-board graphics card memory

1. 024 GB

Number of displays supported (on-board graphics)

3

On-board graphics card DirectX version

11.1

On-board graphics card ID

0x412

Network

Ethernet LAN
*

Ethernet LAN data rates

10,100,1000 Mbit/s

Cabling technology

10/100/1000Base-T(X)

Wi-Fi
*

Top Wi-Fi standard

Wi-Fi 4 (802.11n)

Wi-Fi standards

802.11b, 802.11g, Wi-Fi 4 (802.11n)

Bluetooth

Bluetooth version

4.0

Ports & interfaces

USB 2.0 ports quantity
*

4

USB 3. 2 Gen 1 (3.1 Gen 1) Type-A ports quantity
*

6

DVI port

HDMI ports quantity
*

1

DisplayPorts quantity

1

Ethernet LAN (RJ-45) ports

1

Microphone in

Headphone outputs

4

Line-out

Line-in

Combo headphone/mic port

S/PDIF out port

DC-in jack

SmartCard slot

Expansion slots

PCI Express x1 slots

2

PCI Express x4 slots

1

PCI Express x16 slots

1

Mini PCI Express slots

2

Design

Chassis type
*

Desktop

Placement supported

Vertical

Water cooling system

Product colour
*

Black

Performance

Motherboard chipset

Intel® Z87

Audio system

HD

Audio output channels

7. 1 channels

Password protection

Password protection type

BIOS

Product type
*

PC

Software

Operating system installed
*

Windows 8.1

Operating system architecture

64-bit

Processor special features

Solutions to Help You Focus on Your Small Business
Intel® Small Business Advantage (Intel® SBA) helps small businesses without a managed network manage security and productivity issues. This solution helps maintain and protect PCs automatically so that you can focus on running your business.»>Intel® Small Business Advantage (Intel® SBA)

Connect to TV Wirelessly
With a few clicks, Intel® Wireless Display expands your screen’s potential, linking mobile devices and laptops to TV screens wirelessly. Stream family favorites and view personal experiences while turning your device’s small screen into a superior, sharable experience.»>Intel® Wireless Display (Intel® WiDi)

Intel 64

Enhanced Intel SpeedStep Technology

Embedded options available

Intel® InTru™ 3D Technology

Intel® Insider™

See the World More Vividly
Intel® Clear Video HD Technology delivers cleaner, sharper images, more natural, accurate, and vivid colors. View images as they were meant to be seen on devices featuring Intel® Core™ processors with Intel® Graphics Technology.»>Intel® Clear Video HD Technology (Intel® CVT HD)

Intel Clear Video Technology

Intel VT-x with Extended Page Tables (EPT)

Intel TSX-NI

Idle States

Thermal Monitoring Technologies

Intel Stable Image Platform Program (SIPP)

Added Security with Faster Data Encryption
The Intel® Advanced Encryption Standard New Instructions (Intel® AES-NI) enable fast and secure data encryption and decryption for better performance and less risk from timing and cache-based attacks than table-based software implementations. Intel AES-NI supports usages such as standard key lengths, standard modes of operation, and even some nonstandard or future variants.»>Intel® AES New Instructions (Intel® AES-NI)

Generate Cryptographic Security Protocols
Intel® Secure Key is a security hardware-based random number generator that can generate high-quality keys for cryptographic (encryption and decryption) protocols. These keys provide quality entropy that is highly sought after in the cryptography world for added security.»>Intel® Secure Key

Protect Your Operating Environment
Intel® OS Guard, a hardware-based security feature that protects the operating system kernel, defends against malicious data or attack code located in areas of memory marked as user mode pages, preventing any application from taking over or compromising the OS kernel.»>Intel® OS Guard

Intel Trusted Execution Technology

Execute Disable Bit

Intel FDI Technology

Intel Flex Memory Access

Intel Fast Memory Access

Improve Responsiveness with Faster Data Access
With Intel® Smart Cache on the Intel® Core™ i5 processor, the shared cache is dynamically allocated to each processor core, based on workload. This efficient, dual-core-optimized implementation increases the probability that each core can access data from the fast cache, significantly reducing latency to frequently used data and improving performance.»>Intel® Smart Cache

Intel Enhanced Halt State

Intel Demand Based Switching

Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)

Processor package size

37.5 x 37.5 mm

Supported instruction sets

AVX 2.0, SSE4.1, SSE4.2

Processor code

SR1QF

Scalability

1S

CPU configuration (max)

1

Graphics & IMC lithography

22 nm

Thermal solution specification

PCG 2013D

Simplify Virtualization and Reduce Overheads
Intel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other. «>Intel Virtualization Technology for Directed I/O (VT-d)

Intel Identity Protection Technology version

1.00

Intel Stable Image Platform Program (SIPP) version

1.00

Intel Secure Key Technology version

1.00

Simplify Virtualization and Reduce Overheads
Intel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other.»>Intel Virtualization Technology (VT-x)

Intel Small Business Advantage (SBA) version

1.00

Intel TSX-NI version

0.00

Intel Dual Display Capable Technology

Intel Rapid Storage Technology

Processor ARK ID

80806

Fast Access to Frequently Used Applications
Intel® Smart Response Technology enables a high-performance, cost-effective storage solution using either a dual solid-state and hard drive or a solid state hybrid drive (SSHD). By recognizing which data and applications are used most, Intel Smart Response Technology boosts hard drive performance so that you can create, work, and play faster than ever.»>Intel® Smart Response Technology

Get Up and Running in Seconds
Stop waiting for your PC to wake up, and get a computing experience that is instantly on and ready to go with Intel® Rapid Start Technology. This technology saves a snapshot of your activity on the SSD, preparing the system with previously saved active memory pages so that you can resume your work, Internet activity, or paused movie right where you left off.»>Intel® Rapid Start Technology

Higher Performance When You Need It Most
Intel® Turbo Boost Technology 2.0 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration.»>Intel® Turbo Boost Technology

2. 0

Intel Smart Connect Technology

Improved Performance for Threaded Software
Intel® Hyper-Threading Technology (Intel® HT Technology) makes efficient use of processor resources, enabling multiple threads to run on each core and increasing processor throughput. Available on Intel® Core™ and Intel® Xeon® processors, Intel HT Technology helps run demanding applications simultaneously, protect and manage systems, and provide headroom for business growth.»>Intel® Hyper Threading Technology (Intel® HT Technology)

Create, Edit, and Share Video in a Flash
Intel® Quick Sync Video uses the dedicated media processing capabilities of Intel® Graphics Technology to make video encoding tasks—such as creating DVDs or Blu-ray discs, creating and editing 3D videos, converting 2D video files into 3D, and converting video for portable media players and social networking sites—faster and easier.»>Intel® Quick Sync Video Technology

Intel® My WiFi Technology (Intel® MWT)

Protect Your Identity and Business
Intel® Identity Protection Technology (Intel® IPT) protects enterprises from being penetrated by stolen credentials and online user account access with an added layer of hardware-based security and authentication as well as a multifactor authentication framework to manage different authentication methods. «>Intel® Identity Protection Technology (Intel® IPT)

Disable access to missing laptops
Giving users access to corporate data and application through remote laptops boosts productivity, but it can also leave IT vulnerable to hackers and misplaced laptops. Intel® Anti-Theft Technology is built into the laptop hardware, helping IT administrators outwit thieves, even when they attempt to reimage the OS, change the boot order, or install a new hard drive. When laptops with Intel® Anti-Theft Technology (Intel® AT) become lost or stolen, they can be remotely disabled. If the laptop is recovered, it can be quickly reactivated to normal operation.»>Intel® Anti-Theft Technology (Intel® AT)

Conflict-Free processor

Power

Power supply
*

460 W

Power supply input voltage

100 — 240 V

Power supply input frequency

50 — 60 Hz

Operational conditions

Operating temperature (T-T)

10 — 35 °C

Storage temperature (T-T)

-10 — 45 °C

Operating relative humidity (H-H)

20 — 80%

Certificates

Certification

CECP

Sustainability

Sustainability certificates

ENERGY STAR

Weight & dimensions

Width
*

185. 3 mm

Depth
*

444.3 mm

Height
*

406.8 mm

Weight
*

13.8 kg

Packaging content

Display included
*

Mouse included

Keyboard included

Numeric keypad

Cables included

AC

Manual

AC adapter included

Other features

Optical drives quantity

1

Windows keys

LightScribe

Simplify Virtualization and Reduce Overheads
Intel® Virtualization Technology (Intel® VT) helps make virtualization practical by eliminating performance overheads, reducing complexity, and improving security with hardware assistance. Virtualization allows multiple workloads to share a common set of resources so that a variety of workloads can co-locate while maintaining full isolation from each other.»>Intel® Virtualization Technology (Intel® VT)

VT-x

Reviews

Intel Core i7-4790 (Haswell Refresh) Review

Some users prefer a processor that can be overclocked, while some are already content with what it can do right off the bat. If you belong to the latter group, then you’ll probably want to take a look at the Intel Core i7-4790 which is one of the many processors in the Haswell Refresh lineup that was launched earlier this year.

What’s in the box?

4th Generation Intel Core i7-4790 processor
Intel E97378-001 LGA1155/1156 Stock Cooler
Aluminum Heat Sink with pre-applied thermal paste
CPU Fan
Intel Inside case badge
Manuals and Installation instructions

Overview and Key features

Prior to the launch of the Haswell-E family, the i7-4790 was the raw version of Intel’s flagship processor under the Haswell architecture. It’s not overclock-able like the 4790K, and it has a higher TDP compared to its low-power siblings such as the 4790S and 4790T.

It does, however, share a lot of similarities with the other variants of 4790 including LGA 1150 socket, Intel HD Graphics 4600, L2 Cache (4 x 256KB) and L3 Cache (8MB), as well as support for Intel technologies such as vPro and TXT that are not present on its “K” counterpart.

Specs-wise though, the 4790 doesn’t offer a lot of new things on the table that we haven’t seen on its predecessors (4770 and 4771) apart from a slightly higher stock frequency which is rated at 3600Mhz and higher Turbo Boost speed (4000MHz).

Performance and Benchmark

As one can expect from a top-of-the-line processor, the i7-4790 was able to comfortably handle pretty much whatever we threw its way. Whether we’re gaming on it or using it for fairly demanding productivity software, the processor didn’t buckle even one bit and provided a very respectable performance all throughout.

Test bed:

Intel Core i7-4790 3.7GHz Quad-core processor
Integrated Intel HD 4600 Graphics
ASUS H97-Pro Gamer Motherboard
16GB (4x 4GB) ADATA XPG V2 1600MHz dual-channel DDR3 RAM
256GB Micron C400 SED Solid-State Drive
Antec HCP-1200 80Plus Gold Certified 1200W PSU

Software used:

Windows 8 Pro 64-bit
Intel HD Graphics Driver (version 15. 36.3.64.3907)
Fraps (frame rate measurement)

3DMark 06 (CloudGate, Firestrike (Performance | Extreme) & CPU)

[fancygallery id=”140″ album=”164″]

3DMark 11 (Performance | Extreme)

[fancygallery id=”140″ album=”165″]

GeekBench 3.0.2

Click to enlarge

CineBench R15 (CPU | OpenGL)

[fancygallery id=”140″ album=”168″]

SiSoft Sandra (Arithmetic, Multi-Media & General Compute)

[fancygallery id=”140″ album=”169″]

PCMark 8 (Creative)

Click to enlarge

Unigine Heaven Benchmark 4.0 (Basic | Extreme)

[fancygallery id=”140″ album=”170″]

PassMark PerformanceTest 8.0

Click to enlarge

FurMark

Click to enlarge

3D Gaming Performance

In addition to the benchmark tests we performed on the i7-4790, we also tried playing a few games to measure how well can the chip’s iGPU (Intel HD 4600 Graphics) handle such task. Spoiler, it’s nothing to write home about.

GRID Autosport (1920×1080, Medium Settings)

In-Game Benchmark:

Benchmark Result Analysis / Conclusion

Based on the data we gathered on various benchmark tests that we ran using the i7-4790, we were able to validate two things. First is how pedestrian the performance of the iGPU on this chip and, second, how much firepower each of the 4790’s core can spit out at any given time.

One can probably forgive the lackluster performance of the HD 4600 Graphics on gaming since we would assume that users are most likely to pair this processor with a dedicated graphics card. In fact, scratch that part, you owe it to yourself to purchase a decent GPU if you’re planning to play demanding games with this processor!

Intel Core i7-4790 specs:

Processor Family: Haswell-DT
LGA 1150 Socket
H81, B85, Q85 Q87, H87, Z87, H97 & Z97 Chipsets
3.6GHz Core Clock, 4. 0GHz Turbo Frequency
Quad-core processor with eight (8) threads
L2 Cache: 4 x 256KB
L3 Cache: 8MB
Support for dual-channel 1333 / 1600MHz memory modules
Up to 32GB DDR3 RAM
Integrated Intel 4600 HD Graphics
350Mhz Base Frequency, up to 1.2GHz Dynamic Frequency
Supports up to 3 displays
84-watt Max TDP
Support for vPro, Hyper-Threading and Turbo Boost Technologies
Intel Virtualization Technology (VTR-d, VT-x & VT-x w/ EPT)

On the brighter side, users will truly be satisfied with what the i7-4790 can offer in terms of processing power. Yes, the 200Mhz and 100Mhz speed bump on the core clock speed and Turbo frequency respectively may make this chip a tough buy for current i7-4770 users, but it should be enough to convince i7 Sandy or Ivy Bridge users to make the jump.

To conclude, the Intel Core i7-4790 is the best locked processor that the chipmaker currently has to offer. The increase in core and turbo frequencies may seem nominal on paper, but should be a welcome addition nonetheless considering that it’s priced the same ($312 Boxed / $303 Tray) as the processor it replaced. It’s also loaded with all the latest and greatest optimizations, tweaks and technologies from Intel which should come in handy for added boost in performance and stability.

Just to reiterate, this processor is intended for users who are, by no means, interested about overclocking. If you have, however, even a slight hint of curiosity about overclocking, then you’re better off getting the 4790K which only costs less than two thousand pesos more.

What we liked it about it:

* Slight increase in core and turbo frequencies
* Decent Turbo Boost frequency
* Excels in CPU-related tasks
* Relatively low power consumption
* Support for Intel XMP
* Doesn’t require high-end RAM for performance boost

What we didn’t like about it:

* Poor iGPU performance in gaming
* Not much to offer from the previous gen
* Somewhat sucky stock cooler

Disclaimer: The Intel Core i7-4790 featured here is provided by ASUS Philippines.

Intel Core i7-4790K vs Intel Core i7-8700: What is the difference?

51 BALLLA

Intel Core i7-4790k

55 Ballla

Intel Core i7-8700

VS

64 Facts compared to

Intel i7-4790K

9000 Is i7-4790K better than Intel Core i7-8700?

• Has an unlocked multiplier?
• 8 higher hour multiplier?
  40 vs 32

Why is the Intel Core i7-8700 better than the Intel Core i7-4790K?

• 20% higher CPU speed?
  6 x 3.2GHz vs 4 x 4GHz
• 1066MHz higher RAM speed?
  2666MHz vs 1600MHz
• 4 more CPU threads?
  12 vs 8
• 25.96°C higher than maximum operating temperature?
  100°C vs 74.04°C
• Smaller 8nm semiconductors?
  14nm vs 22nm
• 0.5MB more L2 cache?
  1. 5MB vs 1MB
• 1.91x higher PassMark score?
  15437 vs 8089
• 23W below TDP?
  65W vs 88W

Which comparisons are the most popular?

Intel Core i7-4790K

vs

Intel Core i5-4690K

Intel Core i7-8700

VS

Intel Core i5-10400

Intel Core i7-4790K

VS

Intel Core i7-47703

Intel Core I7-8700 VS

Intel Core Core Core Core Core Core Core Core -4790k

VS

Intel Core i3-10100

Intel Core i7-8700

VS

Apple M1

Intel Core i7-4790K

VS

Intel Core i7-49304 Core I7-4930K 8700

vs

AMD RYZEN 5 3600

Intel Core i7-4790K

VS

AMD RYZEN 5 3600

Intel Core i7-8700

VS

AMD Ryzen 5 5600g

Intel Core I7-479904 VS Intel Core i5-10400

Intel Core i7-8700

VS

Intel Core i7-6700

Intel Core i7-4790K

VS

Intel Core i7-4770

INTEL CORE IME vs

Intel Core i7-7700

Intel Core i7-4790k

VS

Intel Core i7-7700

Intel Core i7-8700

Intel Core i5-8500

9000 2600

Intel Core i7-8700

VS

Intel Core i7-8700K

Intel Core i7-4790K

VS

AMD Ryzen 5 1600

VS 9000 9 i5-9400

Price comparison

Reviews of users

General rating

Intel Core i7-4790k

2 Reviews of users

Intel Core i7-4790K

/10

User reviews

Intel Core i7-8700

0. 0 /10

0 User reviews

Features

Value for money

27 / 10 90 9.50003

9026 /10 9000 no

Reliability

9.5 /10

2 VOTES

reviews yet there are no

Energy efficiency

10.0 /10 9 9 9 9

2 votes

No reviews yet

Performance

1.CPU speed

4 x 4GHz

6 x 3.2GHz CPU speed

6 x 3.2GHz cores (processors). It is calculated by adding the clock speeds of each core or, in the case of multi-core processors, each group of cores.

2nd processor thread

More threads result in better performance and better multitasking.

3.speed turbo clock

4. 4GHz

4.6GHz

When the processor is running below its limits, it can jump to a higher clock speed to increase performance.

4. Unlocked

✔Intel Core i7-4790K

✖Intel Core i7-8700

Some processors come with an unlocked multiplier and are easier to overclock, allowing for better performance in games and other applications.

5.L2 cache

More L2 scratchpad memory results in faster results in CPU and system performance tuning.

6.L3 cache

More L3 scratchpad memory results in faster results in CPU and system performance tuning.

7.L1 cache

More L1 cache results in faster results in CPU and system performance tuning.

8.core L2

0.25MB/core

0.25MB/core

More data can be stored in the L2 scratchpad for access by each processor core.

9.core L3

2MB/core

2MB/core

More data can be stored in L3 scratchpad for access by each processor core.

Memory

1.RAM speed

1600MHz

2666MHz

Can support faster memory which speeds up system performance.

2.max memory bandwidth

25.6GB/s

42.7GB/s

This is the maximum rate at which data can be read from or stored in memory.

3. DDR version

DDR (Dynamic Dynamic Random Access Memory Double Data Rate) is the most common type of RAM. New versions of DDR memory support higher maximum speeds and are more energy efficient.

4.Memory channels

More memory channels increase the speed of data transfer between memory and processor.

5.maximum memory capacity

Maximum memory capacity (RAM).

6.bus baud rate

The bus is responsible for transferring data between different components of a computer or device.

7. Supports memory troubleshooting code

✖Intel Core i7-4790K

✖Intel Core i7-8700

Memory error recovery code can detect and correct data corruption. It is used when necessary to avoid distortion, such as in scientific computing or when starting a server.

8.eMMC version

Unknown. Help us offer a price. (Intel Core i7-4790K)

Unknown. Help us offer a price. (Intel Core i7-8700)

The newer version of eMMC — Built-in Flash Memory Card — speeds up the memory interface, has a positive effect on device performance, for example, when transferring files from a computer to internal memory via USB.

9.bus frequency

Unknown. Help us offer a price. (Intel Core i7-4790K)

Unknown. Help us offer a price. (Intel Core i7-8700)

The bus is responsible for transferring data between various components of a computer or device

Geotagging

1. PassMark result

This test measures processor performance using multi-threading.

2. PassMark result (single)

This test measures processor performance using a thread of execution.

3.Geekbench 5 result (multi-core)

Unknown. Help us offer a price. (Intel Core i7-8700)

Geekbench 5 is a cross-platform benchmark that measures multi-core processor performance. (Source: Primate Labs,2022)

4.Cinebench R20 result (multi-core)

Cinebench R20 is a test that measures the performance of a multi-core processor by rendering a 3D scene.

5.Cinebench R20 result (single core)

Cinebench R20 is a test to evaluate the performance of a single core processor when rendering a 3D scene.

6.Geekbench 5 result (single core)

Unknown. Help us offer a price. (Intel Core i7-8700)

Geekbench 5 is a cross-platform benchmark that measures the single-core performance of a processor. (Source: Primate Labs, 2022)

7. Blender test result (bmw27)

423.2seconds

Unknown. Help us offer a price. (Intel Core i7-8700)

Blender benchmark (bmw27) measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.

8.Blender result (classroom)

1320.7seconds

Unknown. Help us offer a price. (Intel Core i7-8700)

The Blender (classroom) test measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.

9.performance per watt

Unknown. Help us offer a price. (Intel Core i7-8700)

This means that the processor is more efficient, resulting in more performance per watt of power used.

Functions

1.uses multithreading

✔Intel Core i7-4790K

✔Intel Core i7-8700

each physical processor core into logical cores, also known as threads. Thus, each core can run two instruction streams at the same time.

2. Has AES

✔Intel Core i7-4790K

✔Intel Core i7-8700

AES is used to speed up encryption and decryption.

3. Has AVX

✔Intel Core i7-4790K

✔Intel Core i7-8700

AVX is used to help speed up calculations in multimedia, scientific and financial applications, and to improve the performance of the Linux RAID program.

4.Version SSE

SSE is used to speed up multimedia tasks such as editing images or adjusting audio volume. Each new version contains new instructions and improvements.

5. Has F16C

✔Intel Core i7-4790K

✔Intel Core i7-8700

F16C is used to speed up tasks such as adjusting image contrast or adjusting volume.

6.bits transmitted at the same time

Unknown. Help us offer a price. (Intel Core i7-4790K)

Unknown. Help us offer a price. (Intel Core i7-8700)

NEON provides faster media processing such as MP3 listening.

7. Has MMX

✔Intel Core i7-4790K

✔Intel Core i7-8700

MMX is used to speed up tasks such as adjusting image contrast or adjusting volume.

8.Has TrustZone

✖Intel Core i7-4790K

✖Intel Core i7-8700

Technology is integrated into the processor to ensure device security when using features such as mobile payments and video streaming through Digital Rights Management (DRM).

9.interface width

Unknown. Help us offer a price. (Intel Core i7-4790K)

Unknown. Help us offer a price. (Intel Core i7-8700)

The processor can decode more instructions per clock (IPC), which means the processor performs better

Price comparison

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Which CPUs are better?

Intel Core i7-8700T or Intel Core i7-4790

Main page
• >

Gaming speed

Core i7-8700T

71.8 (+9.3%)

Core i7-4790

65.1

Performance in games and similar applications, according to our tests.

The performance of 4 cores, if any, and performance per core has the greatest impact on the result, since most games do not fully use more than 4 cores.

The speed of caches and working with RAM is also important.

Speed ​​in office use

Core i7-8700T

71.2 (+5.9%)

Core i7-4790

67

Performance in day-to-day activities such as browsers and office applications.

The performance of 1 core has the greatest impact on the result, since most of these applications use only one, ignoring the rest.

Similarly, many professional applications such as various CADs ignore multi-threaded performance.

Speed ​​in heavy applications

Core i7-8700T

46 (+13. 7%)

Core i7-4790

39.7

Performance in resource-intensive tasks loading a maximum of 8 cores.

The performance of all cores and their number has the greatest impact on the result, since most of these applications willingly use all the cores and increase the speed accordingly.

At the same time, some periods of work can be demanding on the performance of one or two cores, for example, applying filters in the editor.

Data obtained from tests by users who tested their systems with and without overclocking. Thus, you see the average values ​​corresponding to the processor.

Speed ​​of numerical operations

Different tasks require different CPU strengths. A system with few fast cores and low memory latency will be fine for the vast majority of games, but will be inferior to a system with a lot of slow cores in a rendering scenario.

We believe that a minimum of 4/4 (4 physical cores and 4 threads) processor is suitable for a budget gaming PC. At the same time, some games can load it at 100%, slow down and freeze, and performing any tasks in the background will lead to a drop in FPS.

Ideally, the budget shopper should aim for a minimum of 4/8 and 6/6. A gamer with a big budget can choose between 6/12, 8/8 and 8/16. Processors with 10 and 12 cores can perform well in games with high frequency and fast memory, but are overkill for such tasks. Also, buying for the future is a dubious undertaking, since in a few years many slow cores may not provide sufficient gaming performance.

When choosing a processor for your work, consider how many cores your programs use. For example, photo and video editors can use 1-2 cores when working with filtering, and rendering or converting in the same editors already uses all threads.

Data obtained from tests by users who tested their systems both with overclocking (maximum value in the table) and without (minimum). A typical result is shown in the middle, the more filled in the color bar, the better the average result among all tested systems.

Benchmarks

Benchmarks were run on stock hardware, that is, without overclocking and with factory settings. Therefore, on overclocked systems, the points can noticeably differ upwards. Also, small performance changes may be due to the BIOS version.

Cinebench R15 Single Core

Intel Core i7-8700T

176 (+17.6%)

Intel Core i7-4790

145

Cine 9000

INTEL Core400040004000 INTEL CORE INTEL Core

000

INTEL INTEL %)

Intel Core i7-4790

728

Geekbench 5 Single Core

Intel Core i7-8700t

1061 (+11%)

944 9000 9000 GeeCH

Intel Core i7-8700T

4931 (+29.6%)

Intel Core i7-4790

3471

Geekbench 3 Single Core

Intel Core i7-8700t

4514 (+13.4%)

9000 INTEL CORE ANTEL CORE ANTEL CORE ANTIL

Geekbench 3 Multi Core

Intel Core i7-8700T

20253 (+25.5%)

Intel Core i7-4790

15097

Cinebench R111.5

.000

Intel Core I7-8700T

Intel Core I7-8700t )

Intel Core i7-4790

1.79

Cinebench R11.5

Intel Core i7-8700t

11.78 (+25.7%)

Intel Core i7-4790

8.75

Cinebench R111.5 IGPU, OpenGL

0 9000.000.

000. (+26.5%)

Intel Core i7-4790

32.1

Passmark

Intel Core i7-8700T

10765 (+33.2%)

Intel Core i7-4790

9000 9000 9000 9000 9000 9000 9000 9000 9000 9000 9000 9000 9000 not filled in, so the tables may be missing information or missing existing features.

Basic

Manufacturer	Intel	Intel
DescriptionInformation about the processor, taken from the official website of the manufacturer.	Intel® Core™ i7-8700T Processor (12M Cache, up to 4.00 GHz)	Intel® Core™ i7-4790 Processor (8M Cache, up to 4.00 GHz)
ArchitectureCode name for the microarchitecture generation.	Coffee Lake	Haswell
Process The manufacturing process, measured in nanometers. The smaller the technical process, the more perfect the technology, the lower the heat dissipation and power consumption.	14 nm	22 nm
Release dateMonth and year of the processor’s availability.	10-2020	10-2016
Model Official name.	i7-8700T	i7-4790
Cores The number of physical cores.	6	4
ThreadsNumber of threads. The number of logical processor cores that the operating system sees.	12	8
Multithreading TechnologyWith Intel’s Hyper-threading and AMD’s SMT technology, one physical core is recognized as two logical cores in the operating system, thereby increasing processor performance in multi-threaded applications.	Hyper-threading (note that some games may not work well with Hyper-threading, you can disable the technology in the BIOS of the motherboard for maximum FPS).	Hyper-threading (note that some games may not work well with Hyper-threading, you can disable the technology in the BIOS of the motherboard for maximum FPS).
Base frequencyGuaranteed frequency of all processor cores at maximum load. Performance in single-threaded and multi-threaded applications and games depends on it. It is important to remember that speed and frequency are not directly related. For example, a new processor at a lower frequency may be faster than an old one at a higher one.	2.4 GHz	3.6 GHz
Turbo Frequency The maximum frequency of a single processor core in turbo mode. Manufacturers allow modern processors to independently increase the frequency of one or more cores under heavy load, due to which performance is noticeably increased. It may depend on the nature of the load, the number of loaded cores, temperature and the specified limits. Significantly affects the speed in games and applications that are demanding on the frequency of the CPU.	4GHz	4GHz
L3 cache size The third level cache acts as a buffer between the computer’s RAM and the processor’s level 2 cache. Used by all cores, the speed of information processing depends on the volume.	12 MB	8 MB
Instructions	64-bit	64-bit
Extended instruction set Allows you to speed up calculations, processing and execution of certain operations. Also, some games require instruction support.	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	SSE4. 1/4.2, AVX 2.0
Embedded Options Available Two enclosure versions. Standard and designed for mobile devices. In the second version, the processor can be soldered on the motherboard.	Yes	No
Bus frequency The speed of communication with the system.	8 GT/s DMI3	5 GT/s DMI2
Number of QPI links
TDPThermal Design Power is an indicator that determines heat dissipation in standard operation. The cooler or water cooling system must be rated for a larger value. Remember that with a factory bus or manual overclocking, TDP increases significantly.	35 W	84W
Cooling system specifications	PCG 2015A (35W)	PCG 2013D

Video core

Integrated graphics core Allows you to use your computer without a discrete graphics card. The monitor is connected to the video output on the motherboard. If earlier integrated graphics made it possible to simply work at a computer, today it can replace budget video accelerators and makes it possible to play most games at low settings.	Intel® UHD Graphics 630	Intel® HD Graphics 4600
GPU base clockFrequency in 2D and idle.	350 MHz	350 MHz
Max GPU ClockMaximum 3D clock.	1200 MHz	1200 MHz
Intel® Wireless Display (Intel® WiDi) Supports Wireless Display technology over Wi-Fi 802.11n. Thanks to it, a monitor or TV equipped with the same technology does not require a cable to connect.		No data
Supported monitorsThe maximum number of monitors that can be connected to the integrated video core at the same time.	3	3

RAM

Maximum RAM Amount of RAM that can be installed on the motherboard with this processor.	64 GB	32 GB
Supported type of RAM The type of RAM depends on its frequency and timings (speed), availability, price.	DDR4-2666	DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Channels The multi-channel memory architecture increases data transfer speed. On desktop platforms, two-channel, three-channel and four-channel modes are available.	2	2
RAM bandwidth	41.6 GB/s	25.6 GB/s
ECC memory Support for error-correcting memory that is used in servers. Usually more expensive than usual and requires more expensive server components. However, second-hand server processors, Chinese motherboards and ECC memory sticks, which are sold relatively cheaply in China, have become widespread.	No data	No data

PCI

configuration options

Data Security

AES-NI The AES command set extension speeds up applications that use appropriate encryption.	No data	No data
Intel® Secure Key An RDRAND instruction that allows you to create a high performance random number generator.	No data	No data

Decoration

Which is better

Intel Core i7-8700T

• On average, gaming performance is 7% better.
• The speed of work in office applications and browsers is increased by 4%.
• In complex multi-threaded applications, faster and outperforms by 4%.
• $220 down
• 2 more physical cores.
• 4 more threads.

Intel Core i7-4790

• The base frequency is 1.2 GHz higher.

i7-4790K vs i7-8700 — Cyberpunk 2077 vs R5 performance comparison

R5 with

Intel Core i7-4790K @ 4.00GHz

Cyberpunk 2077

R5 with

Intel Core i7-8700 @ 3.20GHz

i7-4790K
i7-8700

Multi-Thread Performance

11183 Pts

15150 Pts

Single-Thread Performance

2530 Pts

2628 Pts

Cyberpunk 2077

i7-4790K vs i7-8700 in Cyberpunk 2077 using R5 — CPU performance comparison at Ultra, High, Medium and Low Quality0p settings, 108 Quality0p 1440p, Ultrawide, 4K

i7-4790K
i7-8700

Ultra quality

High quality

Medium quality

Low quality

i7-4790K

• In some games, a processor with a higher clock speed, or with the technical name IPC (Instructions per clock), performs better than other processors with more cores and a lower core frequency.

i7-8700

• The i7-8700 has a higher L3 cache. This is useful when you have significant multi-processor workloads, many computational processes at the same time. Rather on a server rather than a personal computer for interactive workloads.
• The i7-8700 has more cores. The advantage of having more cores is that the system can handle more threads. Each core can process a separate data stream. This architecture greatly improves the performance of a system running parallel applications.
• The i7-8700 has more themes. Large programs are divided into threads (small sections) so that the processor can execute them simultaneously to speed up execution.
• i7-8700 The i7-8700 is more energy efficient and generates less heat.
• The i7-8700 has a higher turbo clock. Turbo Boost is a processor feature that will run at a processor clock speed faster than its base clock speed if certain conditions are present. This will allow older software that runs on fewer cores to run better on newer hardware. Since games are also software, they are also applicable.
• i7-8700 The i7-8700 has a smaller process size. The faster a transistor can turn on and off, the faster it can work. And transistors that turn on and off with less power are more efficient, reducing the operating power or «dynamic power» required by the processor.

Compare i7-4790K vs i7-8700 specifications

i7-4790K vs i7-8700 Architecture

i7-4790K vs i7-8700 Cache

i7-4790K vs i7-8700 Cores

i7-4790K vs i7-8700 Features

	i7-4790K	i7-8700
	MMX SSE SSE2 SSE3 SSSE3 SSE4. 2 AVX AVX2 EIST Intel 64 XD bit VT-x VT-d HTT AES-NI TSX TXT CLMUL FMA3 F16C BMI1 BMI2 Boost 2.0	MMX SSE SSE2 SSE3 SSSE3 SSE4.2 AVX AVX2 EIST Intel 64 XD bit VT-x VT-d HTT AES-NI TSX TXT CLMUL FMA3 F16C BMI1 BMI2 Boost 2.0

i7-4790K vs i7-8700 Performance

i7-4790K vs i7-8700 Physical

Share your comments 93

Compare i7-4790K vs i7-8700 in more games

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2022

God of War

2022

Overwatch 2

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Forza Horizon 5

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Battlefield 2042

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Assassin’s Creed Valhalla

2020

Microsoft Flight Simulator

2020

Valorant

2020

Call of Duty: Black Ops Cold War

2020

Death Stranding

2020

Marvel’s Avengers

2020

Godfall

2020

Cyberpunk 2077

2020

Apex Legends

2019

Anthem

2019

Far Cry New Dawn

2019

Resident Evil 2

2019

Metro Exodus

2019

World War Z

2019

Gears of War 5

2019

F1 2019

2019

GreedFall

2019

Borderlands 3

2019

Call of Duty Modern Warfare

2019

Red Dead Redemption 2

2019

Need for Speed: Heat

2019

Forza Horizon 4

2018

Fallout 76

2018

Hitman 2

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Just Cause 4

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Project CARS 2

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2016

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2016

Rise of the Tomb Raider

2016

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2016

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Dishonored 2

2016

DiRT Rally

2015

Grand Theft Auto V

2015

The Witcher 3

2015

Total War: Attila

2015

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Need For Speed ​​

2015

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2015

Rainbow Six Siege

2015

Dragon Age: Inquisition

2014

Far Cry 4

2014

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AMD Ryzen 7 1700X vs.

Intel Core i7-8700

AMD Ryzen 7 1700X

AMD Ryzen 7 1700X runs with 8 and 16 CPU threads It runs at 3.80 GHz base 3.60 GHz all cores while the TDP is set to 95 W .The processor plugs into an AM4 CPU socket This version includes 16.00 MB of L3 cache on a single die , supports 2 to support DDR4-2666 RAM and supports 3.0 PCIe Gen 20 . Tjunction is kept below 95°C degrees C. In particular, the Summit Ridge (Zen) architecture is advanced beyond 14 nm and supports AMD-V, SVM . The product was launched Q1/2017

Intel Core i7-8700

Intel Core i7-8700 runs with 6 and 16 CPU threads It runs at 4.60 GHz base 4.30 GHz all cores while TDP is set to 65 W .The processor connects to LGA 1151-2 CPU socket This version includes 12.00 MB of L3 cache on a single die, supports 2 to support DDR4-2666 RAM, and supports 3.0 PCIe Gen 16 . Tjunction is kept below 100°C degrees C. In particular, the Coffee Lake S architecture is advanced beyond 14 nm and supports VT-x, VT-x EPT, VT-d . The product was launched Q4/2017

AMD Ryzen 7 1700X

Intel Core i7-8700

Intel UHD Graphics 630

Show more details

Show more details

Cinebench R23 (Single-Core)

Cinebench R23 is the successor to Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor to Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

Cinebench R20 (Single-Core)

Cinebench R20 is the successor to Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor to Cinebench R15 and is also based on Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

Cinebench R15 (Single-Core)

Cinebench R15 is the successor to Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor to Cinebench 11.5 and is also based on Cinema 4 Suite. Cinema 4 is software used all over the world to create 3D forms. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a memory-intensive cross-platform test. A fast memory will greatly push the result. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a memory-intensive, cross-platform test. A fast memory will greatly push the result. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

iGPU — FP32 Performance (Single-precision GFLOPS)

Theoretical processing performance of the processor’s internal graphics unit with simple precision (32 bits) in GFLOPS. GFLOPS specifies how many billions of floating point operations the iGPU can perform per second.

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies that can also be textured and animated in the program. The Blender test creates predefined scenes and measures the time(s) required for the entire scene. The less time it takes, the better. We chose the bmw27 as our reference scene.

Geekbench 3, 64bit (Single-Core)

Geekbench 3 is a cross-platform benchmark that is memory intensive. A fast memory will greatly push the result. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Geekbench 3, 64bit (Multi-Core)

Geekbench 3 is a cross-platform benchmark that is memory intensive. A fast memory will greatly push the result. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

Cinebench R11.5, 64bit (Single-Core)

Cinebench 11.5 is based on the Cinema 4D Suite, a software that is popular for creating shapes and other things in 3D. The single-core test uses only one CPU core, the number of cores or hyper-threading capability is not taken into account.

Cinebench R11.5, 64bit (Multi-Core)

Cinebench 11.5 is based on Cinema 4D Suite, a software that is popular for creating shapes and other things in 3D. The multi-core test uses all the CPU cores and has a big advantage of hyper-threading.

Cinebench R11.5, 64bit (iGPU, OpenGL)

Cinebench 11.5 is based on Cinema 4D Suite, a software that is popular for creating shapes and other things in 3D. The iGPU test uses the CPU’s internal graphics unit to execute OpenGL commands.

Estimated results for PassMark CPU Mark

Some of the processors listed below have been tested with CPU-Comparison. However, most of the processors were not tested and the results were evaluated by the secret patented CPU-Comparison formula. As such, they do not accurately reflect the actual values ​​of Passmark CPU ratings and are not endorsed by PassMark Software Pty Ltd.

Monero Hashrate kH/s

Monero has been using the RandomX algorithm since November 2019of the year. This PoW (proof of work) algorithm can only be computed efficiently using either a processor (CPU) or a graphics card (GPU). The CryptoNight algorithm was used for Monero until November 2019, but it could be calculated using ASICs. RandomX benefits from a large number of CPU cores, cache, and fast memory connectivity through as many memory channels as possible.

Estimated energy use

Average hours of use per day

Average CPU usage (0-100%)

Cost of electricity, USD/kWh

Estimated energy use

Average hours of use per day

Average CPU usage (0-100%)

Cost of electricity, USD/kWh

Popular comparison

Comments0001

Recently, the DIY PC community has been permeated with the topic of power consumption. The latest octa-core processors from Intel have a TDP of 95W, but users are seeing them consume 150-180W, which makes absolutely no sense. In this guide, we will explain to you why this happens and why it causes so much trouble for iron reviewers.

What is TDP (Thermal Design Power, heat dissipation requirements)

For each processor, Intel guarantees a certain operating frequency with a certain power, often referring to a certain cooler. Most people equate TDP with maximum power consumption, given that in the calculations, the thermal power of the processor, which must be dissipated, is equal to the power consumed by it. And usually TDP stands for the amount of that power.

But strictly speaking, TDP refers to the power dissipation capabilities of a cooler. TDP is the minimum cooler capability to guarantee the specified efficiency. Some of the power is dissipated through the socket and the motherboard, which means the cooler rating can be lower than TDP, but in most discussions, TDP and power consumption usually meant the same thing: how much power the processor consumes under load.

Within the TDP system can be installed in the firmware. If the processor used TDP as the maximum power limit, then we would see the same measurement program produce similar graphics for high power processors with multiple cores.

In recent years, Intel has used this definition of TDP. For any given processor, Intel guaranteed the operating frequency (base frequency) for a specific power — TDP. This means that a processor like the 65W Core i7-8700, running at 3.2GHz normally, and 4.7GHz in turbo mode, is guaranteed to draw up to 65W when running at 3.2GHz alone. Intel does not guarantee performance beyond the 3.2 GHz and 65W specified.

In addition to the base values, Intel also uses turbo mode. Something like the Core i7-8700 can turbo at 4.7 GHz and consume much more power than a processor running at 3.2 GHz. Turbo mode for all cores on the Core i7-8700 processor runs at 4.3 GHz — much more than the guaranteed 3.2 GHz. The situation becomes more complicated when the turbo modes do not drop down to the base frequency. That is, if the processor constantly exceeds TDP, the 65 W cooler you bought (or the one that came with the kit) will become a bottleneck. If you need more performance, you should throw out such a cooler and take something better.

However, the manufacturer does not tell you this. If there is not enough cooling for turbo modes, and the processor reaches a temperature ceiling, then most modern processors will go into power-limiting mode, reducing performance in order to stay within the specified power consumption. And as a result, a fast processor does not reach the limits of its capabilities.

So TDP means nothing? Why has this only become a problem now?

Over the past decade, the technique for using the term TDP has not changed, but processors have begun to use their energy budget in a different way. The recent introduction of six- and eight-core consumer processors above 4 GHz means that new heavily loaded processors are exceeding their advertised TDP. In the past, we’ve seen quad-core processors rated 95W used only 50W even under full load in turbo mode. And if we add cores, but do not change the TDP designation on the package, then something must change.

Secret numbers not on the packaging

Within each processor, Intel defines several energy levels based on capabilities and expected operating modes. However, all of these energy levels and capabilities can be tweaked at the firmware level, leaving OEMs to decide how these processors will perform in their system. As a result, the value of the power consumption of the processor in the system turns out to be a very vague indicator.

Three important values ​​can be monitored for simplicity. Intel calls them PL1 (energy level 1), PL2 (energy level 2), and T (Tau).

PL1 — efficient uniform expected energy consumption in the long run. In fact, PL1 is usually defined as the TDP of the processor. That is, if TDP is 80W, then PL1 is 80W.

PL2 — short-term maximum power consumption of the processor. This value is higher than PL1, and the processor enters this state under load, which allows it to use turbo modes up to the maximum value of PL2. This means that if Intel has defined multiple turbo modes for the processor, they will only work when PL2 reaches its maximum power consumption. In PL1 mode, the turbo does not work.

Tau is a temporary variable. It determines how long the processor must remain in PL2 mode before falling back to PL1. Tau is independent of processor power and temperature (it is expected that when the temperature limit is reached, a different set of ultra-low voltages and frequencies will be used, and the PL1/PL2 system will stop working).

Here are the official definitions from Intel:

Let’s take a look at the situation of high CPU load.

It starts in PL2 mode first. If the load is single threaded, we should reach the high turbo value that is indicated in the specification. Typically, the power consumption of a single core will not come close to the PL2 value of the entire chip. If we continue to stress the cores, the processor will respond by reducing the turbo frequency according to the per-core values ​​determined by Intel. If the processor’s power consumption reaches PL2, then its frequency changes so as not to go beyond PL2.

When the system is under heavy load for a long period of time, «Tau» seconds, the firmware should jump to PL1 as the new power limit. Turbo tables are no longer applicable — they only work with PL2 mode.

If the consumption is outside PL1, then the frequency and voltage are changed so that the energy consumption stays within these limits. That is, the processor entirely reduces the frequency from the PL2 state to the PL1 state for the duration of its operation under load. This means that the temperature of the processor should decrease, and this should increase the life of the processor.

PL1 mode is active until the load is removed and the core goes idle for a certain amount of time (usually up to 5 seconds). After that, the PL2 mode can be turned on again when another large load appears.

Here are some examples of values ​​- Intel lists several options in the specifications of various processors. For example, I took the Core i7-8700K. The following is true for this processor:

PL1 = TDP = 95W
PL2 = TDP * 1.25 = 118.75W
Tau = 8 sec

In this case, the system should be able to accelerate to 119 watts for eight seconds, and then roll back to 95 watts again. This has been the case for several generations of Intel processors, and for the most part, it didn’t really matter, since the power consumption of the processor as a whole often turned out to be well below the PL1 value even under full load.

However, all the bullshit starts when motherboard manufacturers come into play, since PL1, PL2 and Tau are all configurable in the firmware. For example, in the graph above, you can remove the restrictions from PL2, and assign 165 W and 95 W.

The world of random numbers

I will mainly talk about consumer electronics. Often PL1, PL2, and Tau are carefully controlled in cooling-limited environments such as laptops or small PCs. I’m familiar with several powerful yet stylish PCs that also have PL2 set to TDP so that the processor can overclock a little, but not to the point where one or two cores are loaded beyond TDP.

However, in our CPU reviews, after the spread of six-core processors, we often began to see numbers much higher than PL1 or PL2, and this consumption continues indefinitely, if only it does not go beyond temperature limits. Why is this happening?

In any modern BIOS, especially the main motherboard manufacturers, there will be settings for limiting power (short-term and long-term) and duration. In most cases, by default, the user does not know what value they are set to, because it will say Auto, which is the code for «we know what value to assign to them, don’t worry. » Manufacturers will store the values ​​in memory and use them, but the user will only see Auto. As a result, you can assign PL2 to 4096 W and make Tau very large, for example, 65535, or -1 (infinity — depends on the BIOS version). This means that the CPU will run in turbo mode without interruption until it exceeds the temperature limits.

Why do manufacturers do this? There can be many reasons for this, although specific reasons may vary from manufacturer to manufacturer.

Firstly, this means that the user can keep the turbo mode running all the time, and each core will run in turbo mode every second. The results of performance measurements will reach the sky, in reviews or when the user is measured by indicators, everything looks great,

Secondly, products are developed for this. Intel often defines a default motherboard specification with each launch (they even had their own motherboards that they sold at retail), with a certain number of power phases, and an expected lifetime. Manufacturers can obviously implement their own options: more power phases, more powerful phases, special power supply to improve efficiency, etc. If their board can support all-core turbo all the time, then why not?

Thirdly, manufacturers of more expensive motherboards know that enthusiasts will use improved cooling systems for them. If the processor draws more than 160W and the user has a decent cooling system, then turbo mode on all cores will improve the experience of the product. Intel standards are defined for the coolers recommended by the company.

So what’s the right thing to trust, what’s the difference?

Intel sets standards for its parts. PL1, PL2, Tau, motherboard layout, firmware settings — everything has default values ​​recommended by Intel. Some of them are public, such as those that Intel indicates in the documents, some are confidential (and Intel will not tell us about them, no matter how hard we beg). However, these are still recommended values. And as a result, motherboard manufacturers can do whatever they want. And they do.

As a result, for example, it becomes more difficult for me to test equipment because of this. Different users will want our settings to be:
1. Recommended by Intel,
2. Out of the box,
3. Turned out to the maximum.

And, of course, Intel’s recommendations will give much lower results than «out of the box», and the «turned to the maximum» option speaks for itself.

It is worth noting that so far in all tests in all CPU reviews, hardware has been run on out-of-the-box settings, and not on Intel-recommended ones.

To give some context to the measurement values, we used a powerful CPU and
got the following results in a 25-30 second full load test:

Lately it has been noticed that some motherboard manufacturers are changing their PL1/PL2/Tau strategy and cutting Tau down to something reasonable like 30 seconds. When running speed measurements on these motherboards, users get less than usual results, although these results are closer to Intel’s specifications.

The fact is that when motherboards are set to Auto, the manufacturer usually does not disclose the exact value of this value. As a result, it is very difficult to describe the operation of such equipment. Also, these values ​​may vary depending on the installed processor.

We usually test with out-of-the-box settings, with the exception of memory, with which we use manufacturer’s recommended values. We believe this is the most honest way to let readers know what speed they can expect when virtually no settings have been changed. In reality, this usually means that PL2 is set to some very large value, and Tau is set to a very long value. We constantly encounter turbo mode as long as the temperature remains within the established limits.

The current situation and what we can do about it

I have long wanted to write a similar article, at least since the launch of Kaby Lake. Most processors in consumer motherboards run at unlimited PL2, and this has been considered normal for years. It was only after testing the Core i9-9900K that we began to notice something strange. In our article last week on the new Xeon E, our Supermicro motherboard literally follows Intel’s guidelines. It might seem obvious that a more commercial/server board would follow Intel’s specs, but this is the first time I’ve seen this in person. It is obvious that consumer boards according to such specifications do not work, and did not work. I’d argue that Intel’s own test results (and AMD’s Intel CPU test results) on consumer motherboards don’t match Intel’s specifications either.

So what do we do about it? I would say that Intel needs to put two power designations on the boxes:

• TDP peak for PL2
• TDP long term for PL1.

This is how Intel and others can explain peak consumption and base frequency.

If users want consumer motherboards to change, it will be more difficult to do so. All manufacturers want to get ahead of each other, which is why we run into things like the Multi-Core Turbo option enabled by default. Manufacturers prefer the «unlimited PL2» path because it allows them to climb to the top of the performance charts. But laptops with limited cooling capabilities often have their own options for PL1, PL2 and Tau, and often they strictly correspond to these parameters.

The question is, how important are specifications from Intel to desktop processors from Intel? If we have to follow these guidelines literally, maybe we can take it one step further and only use stock coolers?

Intel Core i7 — Advantech

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Intel® Core™ i7 processors deliver an incredible breakthrough in PC performance with faster, intelligent, multi-core technology that applies processing power where it’s needed most.

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Comparison / 4

1212	Description	CPU
96MPI7-2. 3-8M10T	(DEL22)CORE 2.3G 8M 4CORE I7-4770TE	four	HASWELL	Embedded	LGA1150
96MPI7-3.1-8M10T	(DEL22)CORE 3.1G 8M 4CORE I7-4770S	four	HASWELL	Desktop	LGA1150
96MPI7-3.2-8M10T	(DEL22)CORE 3.2G 8M 1150P 4CORE i7-4790S	four	HASWELL	Desktop	LGA1150
96MPI7A-1.4-25M17	CORE I7 1.4G 25M ​​12C 1700P I7-12700TE	12	Alder Lake	Embedded	FCLGA1700
96MPI7A-2.1-25M17	CORE I7 2.1G 25M ​​12C 1700P I7-12700	12	Alder Lake	Embedded	FCLGA1700
96MPI7A-2.1-25M17A	CORE I7 2.1G 25M ​​12C 1700P I7-12700E	12	Alder Lake	Embedded	FCLGA1700
96MPI7C-2.4-12M11T	CORE 2.4G 12M 1151P 6CORE I7-8700T	6	coffee lake	Desktop	FCLGA1151
96MPI7C-3.2-12M11T	CORE 3.2G 12M 1151P 6CORE I7-8700	6	coffee lake	Desktop	FCLGA1151
96MPI7CO-2.0-16M12	CORE I7 2.0G 16M 1200P 8C I7-10700TE	eight	comet lake	Embedded	FCLGA1200
96MPI7CO-2.9-16M12	CORE I7 2.9G 16M 1200P 8C I7-10700E	eight	comet lake	Embedded	FCLGA1200
96MPI7CR-1.8-12M11	CORE 1.8G 12M 1151P 8C I7-9700TE	eight	Coffee Lake Refresh-S	N/A	N/A	FCLGA1155
96MPI7CR-2. 6-12M11	CORE 2.6G 12M 1151P 8C I7-9700E	eight	Coffee Lake Refresh-S	N/A	FCLGA1155
96MPI7K-2.9-8M11T	CORE 2.9G 8M 1151P 4CORE I7-7700T	four	Kaby Lake	Desktop	LGA1151
96MPI7K-3.6-8M11T	CORE 3.6G 8M 1151P 4CORE I7-7700	four	Kaby Lake	Desktop	LGA1151
96MPI7S-2.4-8M11T1	CORE 2.4G 8M 1151P 4 CORE I7-6700TE	four	skylake	Embedded	LGA1151
96MPI7S-3.4-8M11T	CORE 3.4G 8M 1151P 4 CORE I7-6700	four	skylake	Desktop	LGA1151

Product List

• 96MPI7C-3.2-12M11T

  Intel Core i7-8700 3.2G 12M 6 Core Processor

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• 96MPI7C-2.4-12M11T

  Intel Core i7-8700T 2.4G 12M 6 Core Processor

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• 96MPI7K-2.

  9-8M11T

  Intel Croe i7-7700T 2.9G 8M Processor

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• 96MPI7K-3.6-8M11T

  Intel Core i7-7700 3.6G 8M Processor

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• 96MPI7-2.3-8M10T

  Intel Core i7-4770TE 2.3G 8M Processor

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• 96MPI7-3.1-8M10T

  Intel Core i7-4770S 3.1G 8M Processor

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• 96MPI7-3.2-8M10T

  Intel Core i7-4790S 3.2G 8M Processor

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• 96MPI7S-2.

  4-8M11T1

  Intel Core i7-6700TE 2.4G 8M Processor

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• 96MPI7S-3.4-8M11T

  Intel Core i7-6700 3.4G 8M Processor

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• 96MPI7CR-2.6-12M11

  Intel Core i7-9700E 2.6G 12M Processor

  New

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• 96MPI7CR-1.8-12M11

  Intel Core i7-9700TE 1.8G 12M Processor

  New

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• 96MPI7CO-2.9-16M12

  Intel Core i7-10700E 2.