I56600K vs i7 8700k: Intel Core i5-6600K vs i7-8700K

Intel Core i5-6600K vs Intel Core i7-8700K: What is the difference?

53points

Intel Core i5-6600K

59points

Intel Core i7-8700K

Comparison winner

vs

63 facts in comparison

Intel Core i5-6600K

Intel Core i7-8700K

Why is Intel Core i5-6600K better than Intel Core i7-8700K?

Why is Intel Core i7-8700K better than Intel Core i5-6600K?

  • 1.59x faster CPU speed?
    6 x 3.7GHzvs4 x 3.5GHz
  • 533MHz higher ram speed?
    2666MHzvs2133MHz
  • 8 more CPU threads?
    12vs4
  • 36°C higher maximum operating temperature?
    100°Cvs64°C
  • 0.5MB bigger L2 cache?
    1.5MBvs1MB
  • 0.8GHz higher turbo clock speed?
    4.7GHzvs3.9GHz
  • 2.09x higher PassMark result?
    16270vs7799
  • 6MB bigger L3 cache?
    12MBvs6MB

Which are the most popular comparisons?

Intel Core i5-6600K

vs

Intel Core i7-4790K

Intel Core i7-8700K

vs

AMD Ryzen 5 5600X

Intel Core i5-6600K

vs

Intel Core i7-7700K

Intel Core i7-8700K

vs

Intel Core i5-9600K

Intel Core i5-6600K

vs

Intel Core i5-7400

Intel Core i7-8700K

vs

Intel Core i5-12400

Intel Core i5-6600K

vs

Intel Core i7-3770

Intel Core i7-8700K

vs

AMD Ryzen 7 5800X

Intel Core i5-6600K

vs

Intel Core i3-8100

Intel Core i7-8700K

vs

Intel Core i7-9700K

Intel Core i5-6600K

vs

AMD Ryzen 5 5500U

Intel Core i7-8700K

vs

AMD Ryzen 5 3600

Intel Core i5-6600K

vs

Intel Core i5-7500

Intel Core i7-8700K

vs

AMD Ryzen 5 5500U

Intel Core i5-6600K

vs

Intel Core i5-10300H

Intel Core i7-8700K

vs

Intel Core i5-9400F

Intel Core i5-6600K

vs

Intel Core i7-6700

Intel Core i7-8700K

vs

Intel Core i9-9900K

Intel Core i5-6600K

vs

Intel Core i5-9400F

Intel Core i7-8700K

vs

Intel Core i7-8700

Price comparison

Cheap alternatives

User reviews

Overall Rating

Intel Core i5-6600K

0 User reviews

Intel Core i5-6600K

0. 0/10

0 User reviews

Intel Core i7-8700K

1 User reviews

Intel Core i7-8700K

10.0/10

1 User reviews

Features

Value for money

No reviews yet

 

10.0/10

1 votes

Gaming

No reviews yet

 

10.0/10

1 votes

Performance

No reviews yet

 

10.0/10

1 votes

Reliability

No reviews yet

 

10.0/10

1 votes

Energy efficiency

No reviews yet

 

10.0/10

1 votes

Performance

1.CPU speed

4 x 3.5GHz

6 x 3.7GHz

The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.

2. CPU threads

More threads result in faster performance and better multitasking.

3.turbo clock speed

3.9GHz

4.7GHz

When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.

4.Has an unlocked multiplier

✔Intel Core i5-6600K

✔Intel Core i7-8700K

Some processors come with an unlocked multiplier which makes them easy to overclock, allowing you to gain increased performance in games and other apps.

5.L2 cache

A larger L2 cache results in faster CPU and system-wide performance.

6.L3 cache

A larger L3 cache results in faster CPU and system-wide performance.

7.L1 cache

A larger L1 cache results in faster CPU and system-wide performance.

8.L2 core

0. 2MB/core

0.25MB/core

More data can be stored in the L2 cache for access by each core of the CPU.

9.L3 core

1.5MB/core

2MB/core

More data can be stored in the L3 cache for access by each core of the CPU.

Benchmarks

1.PassMark result

This benchmark measures the performance of the CPU using multiple threads.

2.PassMark result (single)

This benchmark measures the performance of the CPU using a single thread.

3.Geekbench 5 result (multi)

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

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

4.Cinebench R20 (multi) result

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

Cinebench R20 is a benchmark tool that measures a CPU’s multi-core performance by rendering a 3D scene.

5.Cinebench R20 (single) result

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

Cinebench R20 is a benchmark tool that measures a CPU’s single-core performance by rendering a 3D scene.

6.Geekbench 5 result (single)

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

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

7.Blender (bmw27) result

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

The Blender (bmw27) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.

8.Blender (classroom) result

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

The Blender (classroom) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.

9.performance per watt

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

This means the CPU is more efficient, giving a greater amount of performance for each watt of power used.

Integrated graphics

1.GPU clock speed

350MHz

350MHz

The graphics processing unit (GPU) has a higher clock speed.

2. GPU turbo

1150MHz

1200MHz

When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.

3.GPU execution units

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

A graphics processing unit (GPU) with a greater number of execution units can deliver better graphics.

4.supported displays

Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.

5.DirectX version

DirectX is used in games, with newer versions supporting better graphics.

6.OpenGL version

OpenGL is used in games, with newer versions supporting better graphics.

7.OpenCL version

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

Some apps use OpenCL to apply the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions introduce more functionality and better performance.

8.texture mapping units (TMUs)

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.

9.render output units (ROPs)

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.

Memory

1.RAM speed

2133MHz

2666MHz

It can support faster memory, which will give quicker system performance.

2.maximum memory bandwidth

34.1GB/s

42.7GB/s

This is the maximum rate that data can be read from or stored into memory.

3.DDR memory version

DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.

4.memory channels

More memory channels increases the speed of data transfer between the memory and the CPU.

5.maximum memory amount

The maximum amount of memory (RAM) supported.

6.bus transfer rate

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

7.Supports ECC memory

✖Intel Core i5-6600K

✖Intel Core i7-8700K

Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.

8.eMMC version

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

A higher version of eMMC allows faster memory interfaces, having a positive effect on the performance of a device. For example, when transferring files from your computer to the internal storage over USB.

9.bus speed

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

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

Features

1.uses multithreading

✔Intel Core i5-6600K

✔Intel Core i7-8700K

Multithreading technology (such as Intel’s Hyperthreading or AMD’s Simultaneous Multithreading) provides increased performance by splitting each of the processor’s physical cores into virtual cores, also known as threads. This way, each core can run two instruction streams at once.

2.Has AES

✔Intel Core i5-6600K

✔Intel Core i7-8700K

AES is used to speed up encryption and decryption.

3.Has AVX

✔Intel Core i5-6600K

✔Intel Core i7-8700K

AVX is used to help speed up calculations in multimedia, scientific and financial apps, as well as improving Linux RAID software performance.

4.SSE version

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

5.Has F16C

✔Intel Core i5-6600K

✔Intel Core i7-8700K

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

6.bits executed at a time

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

NEON provides acceleration for media processing, such as listening to MP3s.

7.Has MMX

✔Intel Core i5-6600K

✔Intel Core i7-8700K

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

8.Has TrustZone

✖Intel Core i5-6600K

✖Intel Core i7-8700K

A technology integrated into the processor to secure the device for use with features such as mobile payments and streaming video using digital rights management (DRM).

9.front-end width

Unknown. Help us by suggesting a value. (Intel Core i5-6600K)

Unknown. Help us by suggesting a value. (Intel Core i7-8700K)

The CPU can decode more instructions per clock (IPC), meaning that the CPU performs better

Price comparison

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Which are the best CPUs?

Intel Core i7-8700K vs Intel Core i5-6600K

Summary

  • Intel Core i7-8700K

    178%

  • Intel Core i5-6600K

    100%

Relative performance

  • Intel Core i7-8700K

    121%

  • Intel Core i5-6600K

    100%

Relative performance

  • Intel Core i7-8700K

    234%

  • Intel Core i5-6600K

    100%

Relative performance

Reasons to consider Intel Core i7-8700K
Much higher single threaded performance (around 21% higher), makes a noticeable performance difference in gaming and the majority of applications.
Much higher multi threaded performance (around 134% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 78% higher average synthetic performance.
Reasons to consider Intel Core i5-6600K
None

Gaming

HWBench recommends Intel Core i7-8700K

Based on game and synthetic benchmarks, and theoretical specifications.


Productivity

HWBench recommends Intel Core i7-8700K

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.

Features
Intel Core i7-8700K Intel Core i5-6600K
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

Architecture
Intel Core i7-8700K Intel Core i5-6600K
Architecture Intel_Coffelake vs Intel_Skylake
Market Desktop vs Desktop
Memory Support DDR4 vs DDR4
Codename Coffee Lake vs Skylake
Release Date Oct 2017 vs Jul 2015

Cores
Intel Core i7-8700K Intel Core i5-6600K
Cores 6 vs 4
Threads 12 vs 4
SMPs 1 vs 1
Integrated Graphics Intel UHD 630 vs HD Graphics 530

Cache
Intel Core i7-8700K Intel Core i5-6600K
L1 Cache 64 KB (per core) vs 64 KB (per core)
L2 Cache 256 KB (per core) vs 256 KB (per core)
L3 Cache 12288 KB (shared) vs 6144 KB (shared)

Physical
Intel Core i7-8700K Intel Core i5-6600K
Socket Intel Socket 1151 vs Intel Socket 1151
Max Case Temp 72°C vs 72°C
Package FC-LGA1151 vs FC-LGA12C
Die Size 151mm² vs unknown
Process 14 nm vs 14 nm

Performance
Intel Core i7-8700K Intel Core i5-6600K
Cpu Frequency 3700 MHz vs 3500 MHz
Turbo Clock 4700 MHz vs 3900 MHz
Base Clock 100 MHz vs 100 MHz
Voltage unknown vs unknown
TDP 95 W vs 95 W
  • Intel Core i7-8700K

    5640 points

  • Intel Core i5-6600K

    4485 points

Points — higher is better

  • Intel Core i7-8700K

    31968 points

  • Intel Core i5-6600K

    16100 points

Points — higher is better

  • Intel Core i7-8700K

    1412

  • Intel Core i5-6600K

    602

points — higher is better

  • Intel Core i7-8700K

    202

  • Intel Core i5-6600K

    166

points — higher is better

0023

  • 1. 59x higher CPU speed?
    6 x 3.7GHz vs 4 x 3.5GHz
  • 533MHz higher RAM speed?
    2666MHz vs 2133MHz
  • 8 more CPU threads?
    12 vs 4
  • 36°C higher than maximum operating temperature?
    100°C vs 64°C
  • 0.5MB more L2 cache?
    1.5MB vs 1MB
  • 0.8GHz higher turbo clock speed?
    4.7GHz vs 3.9GHz
  • 2.09x higher PassMark score?
    16270 vs 7799
  • 6MB more L3 cache?
    12MB vs 6MB

Which comparisons are the most popular?

Intel Core i5-6600K

vs

Intel Core i7-4790K

Intel Core i7-8700K

vs

AMD Ryzen 5 5600X

Intel Core i5-6600k

VS

Intel Core i7-7700K

Intel Core i7-8700k

VS

Intel Core i5-9600k

I5-6600K

VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS

Intel Core i7-8700k

VS

Intel Core i5-12400

Intel Core i5-6600k

VS

Intel Core i7-3770

Intel Core I7-8700K

VS 9000 VS 9000 VS AMD AMD AMD

Intel Core i5-6600K

VS

Intel Core i3-8100

Intel Core i7-8700k

VS

Intel Core i7-9700k

Intel Core I5-6600K

VS

AMD Ryzen 5 5500u

9000

VS

AMD Ryzen 5 3600

Intel Core i5-6600k

VS

Intel Core i5-7500

Intel Core i7-8700k

VS

AMD Ryzen 5 5500u

Ind.

vs

Intel Core i5-10300h

Intel Core i7-8700K

VS

Intel Core i5-9400f

Intel Core i5-6600k

VS

Intel Core i7-6700

Intel Core2 Intel Core2 Intel Core2 Intel Core2 Intel Core2 Intel Core 2

Intel Core i9-9900k

Intel Core i5-6600k

VS

Intel Core i5-9400f

Intel Core i7-8700k

VS

Intel Core

Cooperation

User reviews

General rating

Intel Core i5-6600K

0 Reviews of users

Intel Core i5-6600k

0.0 /10 9000 Core i7-8700K

10.0 /10

1 User reviews

Features

Value for money

No reviews yet

9002

0225 /10

1 Votes

Games

reviews not yet

10.0 /10

1 Votes

Reviews still not

10.0 /10

VOTES

Reliability

Reviews not yet

10.0 /10

1 Votes

Energy efficiency

Reviews are not

10. 0 9.0 9.0 /10

1 votes

Performance

1.CPU speed

4 x 3.5GHz

6 x 3.7GHz

). 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

3.9GHz

4.7GHz

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

4. Unlocked

✔Intel Core i5-6600K

✔Intel Core i7-8700K

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

0.2MB/core

0.25MB/core

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

9.core L3

1.5MB/core

2MB/core

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

Geotagging

1. PassMark result

This benchmark measures CPU performance using multithreading.

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 i5-6600K)

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

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

4.Cinebench R20 result (multi-core)

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

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

5.Cinebench R20 result (single core)

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

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 i5-6600K)

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

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)

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

The 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)

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

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

9.power per watt

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

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

Integrated graphics

1st GPU clock

350MHz

350MHz

The graphics processing unit (GPU) has a higher clock speed.

2.turbo GPU

1150MHz

1200MHz

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

3rd GPU Execution Units

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

A graphics processing unit (GPU) with more execution units can provide better graphics.

4. Monitor support

By using multiple displays, you can increase your workspace, making it easier to work across multiple applications.

5.version of DirectX

DirectX is used in games with a new version that supports better graphics.

6.version of OpenGL

The newer version of OpenGL, the better graphics quality in games.

OpenCL version 7

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

Some applications use OpenCL to use the graphics processing unit (GPU) for non-graphical computing. Newer versions are more functional and better quality.

8. textured units (TMUs)

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

TMUs take texture units and map them to the geometric layout of the 3D scene. More TMUs generally means texture information is processed faster.

9 ROPs imaging units

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

ROPs are responsible for some of the final steps of the rendering process, such as writing the final pixel data to memory and for performing other tasks such as anti-aliasing to improve the appearance of graphics.

Memory

1.RAM speed

2133MHz

2666MHz

Can support faster memory which speeds up system performance.

2.max memory bandwidth

34.1GB/s

42.7GB/s

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

3rd version of DDR memory

DDR (Double Data Rate Synchronous Dynamic Random Access Memory) 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

Maximum memory (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 i5-6600K

✖Intel Core i7-8700K

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 i5-6600K)

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

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 i5-6600K)

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

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

Functions

such as Intel’s Hyperthreading or AMD’s Simultaneous Multithreading) provides higher performance by dividing 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 i5-6600K

✔Intel Core i7-8700K

AES is used to speed up encryption and decryption.

3. Has AVX

✔Intel Core i5-6600K

✔Intel Core i7-8700K

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 i5-6600K

✔Intel Core i7-8700K

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

6.bits transmitted at the same time

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

NEON provides faster media processing such as MP3 listening.

7. Has MMX

✔Intel Core i5-6600K

✔Intel Core i7-8700K

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

8.Has TrustZone

✖Intel Core i5-6600K

✖Intel Core i7-8700K

The technology is integrated into the processor to ensure device security when using features such as mobile payments and streaming video using digital rights management technology ( DRM).

9.interface width

Unknown. Help us offer a price. (Intel Core i5-6600K)

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

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

Price comparison

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