Intel Core i5+8400 vs Intel Core i5-8600K: What is the difference?
53points
Intel Core i5+8400
55points
Intel Core i5-8600K
Comparison winner
vs
63 facts in comparison
Intel Core i5+8400
Intel Core i5-8600K
Why is Intel Core i5+8400 better than Intel Core i5-8600K?
- 30W lower TDP?
65Wvs95W - Uses multithreading?
Why is Intel Core i5-8600K better than Intel Core i5+8400?
- 28.57% faster CPU speed?
6 x 3.6GHzvs6 x 2.8GHz - 0.3GHz higher turbo clock speed?
4.3GHzvs4GHz - 10% higher PassMark result?
12854vs11685 - 11.45% higher PassMark result (single)?
2530vs2270 - Supports ECC memory?
- 100MHz faster GPU turbo speed?
1150MHzvs1050MHz - 8 higher clock multiplier?
36vs28
Which are the most popular comparisons?
Intel Core i5+8400
vs
Intel Core i3-9100F
Intel Core i5-8600K
vs
AMD Ryzen 7 5800X
Intel Core i5+8400
vs
Intel Core i7-3770
Intel Core i5-8600K
vs
Intel Core i5-9600K
Intel Core i5+8400
vs
AMD Ryzen 5 5600X
Intel Core i5-8600K
vs
AMD Ryzen 5 5600X
Intel Core i5+8400
vs
Intel Core i7-4790K
Intel Core i5-8600K
vs
Intel Core i7-9700K
Intel Core i5+8400
vs
AMD Ryzen 5 3600
Intel Core i5-8600K
vs
AMD Ryzen 5 2600X
Intel Core i5+8400
vs
Intel Core i3-10100
Intel Core i5-8600K
vs
Intel Core i7-7700K
Intel Core i5+8400
vs
AMD Ryzen 5 5600G
Intel Core i5-8600K
vs
Intel Core i7-8700K
Intel Core i5+8400
vs
Intel Core i3-8100
Intel Core i5-8600K
vs
Intel Core i5-8600
Intel Core i5+8400
vs
Intel Core i7-6700
Intel Core i5-8600K
vs
AMD Ryzen 5 5600G
Intel Core i5+8400
vs
AMD Ryzen 5 2600
Intel Core i5-8600K
vs
Intel Core i5-9400F
Price comparison
User reviews
Overall Rating
Intel Core i5+8400
2 User reviews
Intel Core i5+8400
10. 0/10
2 User reviews
Intel Core i5-8600K
0 User reviews
Intel Core i5-8600K
0.0/10
0 User reviews
Features
Value for money
10.0/10
2 votes
No reviews yet
Gaming
10.0/10
2 votes
No reviews yet
Performance
10.0/10
2 votes
No reviews yet
Reliability
10.0/10
2 votes
No reviews yet
Energy efficiency
10.0/10
2 votes
No reviews yet
Performance
CPU speed
6 x 2.8GHz
6 x 3.6GHz
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.
CPU threads
More threads result in faster performance and better multitasking.
turbo clock speed
4.3GHz
When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
Has an unlocked multiplier
✖Intel Core i5+8400
✖Intel Core i5-8600K
Some processors come with an unlocked multiplier which makes them easy to overclock, allowing you to gain increased performance in games and other apps.
L2 cache
A larger L2 cache results in faster CPU and system-wide performance.
L3 cache
A larger L3 cache results in faster CPU and system-wide performance.
L1 cache
A larger L1 cache results in faster CPU and system-wide performance.
L2 core
0.25MB/core
0.25MB/core
More data can be stored in the L2 cache for access by each core of the CPU.
L3 core
1. 5MB/core
1.5MB/core
More data can be stored in the L3 cache for access by each core of the CPU.
Benchmarks
PassMark result
This benchmark measures the performance of the CPU using multiple threads.
PassMark result (single)
This benchmark measures the performance of the CPU using a single thread.
Geekbench 5 result (multi)
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
Geekbench 5 is a cross-platform benchmark that measures a processor’s multi-core performance. (Source: Primate Labs, 2022)
Cinebench R20 (multi) result
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
Cinebench R20 is a benchmark tool that measures a CPU’s multi-core performance by rendering a 3D scene.
Cinebench R20 (single) result
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
Cinebench R20 is a benchmark tool that measures a CPU’s single-core performance by rendering a 3D scene.
Geekbench 5 result (single)
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
Geekbench 5 is a cross-platform benchmark that measures a processor’s single-core performance. (Source: Primate Labs, 2022)
Blender (bmw27) result
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
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.
Blender (classroom) result
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
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.
performance per watt
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
This means the CPU is more efficient, giving a greater amount of performance for each watt of power used.
Integrated graphics
GPU clock speed
350MHz
350MHz
The graphics processing unit (GPU) has a higher clock speed.
GPU turbo
1050MHz
1150MHz
When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
GPU execution units
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
A graphics processing unit (GPU) with a greater number of execution units can deliver better graphics.
supported displays
Using multiple displays you can create a larger workspace, making it easier to work across multiple apps.
DirectX version
DirectX is used in games, with newer versions supporting better graphics.
OpenGL version
OpenGL is used in games, with newer versions supporting better graphics.
OpenCL version
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
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.
texture mapping units (TMUs)
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.
render output units (ROPs)
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
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
RAM speed
2666MHz
2666MHz
It can support faster memory, which will give quicker system performance.
maximum memory bandwidth
41. 6GB/s
42.7GB/s
This is the maximum rate that data can be read from or stored into memory.
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.
memory channels
More memory channels increases the speed of data transfer between the memory and the CPU.
maximum memory amount
The maximum amount of memory (RAM) supported.
bus transfer rate
The bus is responsible for transferring data between different components of a computer or device.
Supports ECC memory
✖Intel Core i5+8400
✔Intel Core i5-8600K
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.
eMMC version
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
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.
bus speed
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
The bus is responsible for transferring data between different components of a computer or device.
Features
uses multithreading
✔Intel Core i5+8400
✖Intel Core i5-8600K
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.
Has AES
✔Intel Core i5+8400
✔Intel Core i5-8600K
AES is used to speed up encryption and decryption.
Has AVX
✔Intel Core i5+8400
✔Intel Core i5-8600K
AVX is used to help speed up calculations in multimedia, scientific and financial apps, as well as improving Linux RAID software performance.
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.
Has F16C
✔Intel Core i5+8400
✔Intel Core i5-8600K
F16C is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
bits executed at a time
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
NEON provides acceleration for media processing, such as listening to MP3s.
Has MMX
✔Intel Core i5+8400
✔Intel Core i5-8600K
MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
Has TrustZone
✖Intel Core i5+8400
✖Intel Core i5-8600K
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).
front-end width
Unknown. Help us by suggesting a value. (Intel Core i5+8400)
Unknown. Help us by suggesting a value. (Intel Core i5-8600K)
The CPU can decode more instructions per clock (IPC), meaning that the CPU performs better
Price comparison
Which are the best CPUs?
Intel Core i5 8600K vs i5 8400: performance comparison
VS
Intel Core i5 8600K
Intel Core i5 8400
We compared two 6-core desktop CPUs: the 3. 6 GHz Intel Core i5 8600K against the 2.8 GHz i5 8400. On this page, you’ll find out which processor has better performance in benchmarks, games and other useful information.
- Review
- Differences
- Performance
- Specs
- Comments
Review
General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Core i5 8600K
55
Core i5 8400
47
Performance
Measure performance when all cores are involved
Core i5 8600K
27
Core i5 8400
23
Power Efficiency
The efficiency score of electricity consumption
Core i5 8600K
41
Core i5 8400
44
NanoReview Final Score
Generic CPU rating
Core i5 8600K
42
Core i5 8400
37
Key Differences
What are the key differences between 8400 and 8600K
Advantages of Intel Core i5 8600K
- Unlocked multiplier
- 7% higher Turbo Boost frequency (4. 3 GHz vs 4 GHz)
- 13% faster in a single-core Geekbench v5 test — 1170 vs 1034 points
Advantages of Intel Core i5 8400
- Consumes up to 32% less energy than the Core i5 8600K – 65 vs 95 Watt
Benchmarks
Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Core i5 8600K
+21%
1238
Core i5 8400
1020
Cinebench R23 (Multi-Core)
Core i5 8600K
+16%
6769
Core i5 8400
5811
Passmark CPU (Single-Core)
Core i5 8600K
+9%
2590
Core i5 8400
2379
Passmark CPU (Multi-Core)
Core i5 8600K
+10%
10165
Core i5 8400
9228
Geekbench 5 (Single-Core)
Core i5 8600K
+13%
1160
Core i5 8400
1026
Geekbench 5 (Multi-Core)
Core i5 8600K
+17%
5374
Core i5 8400
4607
▶️ Submit your Cinebench R23 result
By purchasing through links on this site, we may receive a commission from Amazon. This does not affect our assessment methodology.
Specifications
Full technical specification of Intel Core i5 8600K and i5 8400
General
Vendor | Intel | Intel |
Released | October 5, 2017 | October 5, 2017 |
Type | Desktop | Desktop |
instruction set | x86-64 | x86-64 |
Codename | Coffee Lake | Coffee Lake |
Model number | i5-8600K | i5-8400 |
Socket | LGA-1151 | LGA-1151 |
Integrated GPU | UHD Graphics 630 | UHD Graphics 630 |
Performance
Cores | 6 | 6 |
Threads | 6 | 6 |
Base Frequency | 3. 6 GHz | 2.8 GHz |
Turbo Boost Frequency | 4.3 GHz | 4 GHz |
Bus frequency | 100 MHz | 100 MHz |
Multiplier | 36x | 28x |
Bus Bandwidth | 8 GT/s | 8 GT/s |
L1 Cache | 64K (per core) | 64K (per core) |
L2 Cache | 256K (per core) | 256K (per core) |
L3 Cache | 9MB (shared) | 9MB (shared) |
Unlocked Multiplier | Yes | No |
Fabrication process | 14 nm | 14 nm |
TDP | 95 W | 65 W |
Max. temperature | 100°C | 100°C |
Integrated Graphics | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
GPU Base Clock | 350 MHz | 350 MHz |
GPU Boost Clock | 1150 MHz | 1050 MHz |
Shading Units | 192 | 192 |
TMUs | 24 | 24 |
ROPs | 3 | 3 |
Execution Units | 24 | 24 |
TGP | 15 W | 15 W |
Max. Resolution | 4096×2304 — 60 Hz | 4096×2304 — 60 Hz |
iGPU FLOPS
Core i5 8600K
0.38 TFLOPS
Core i5 8400
0.38 TFLOPS
Memory support
Memory types | DDR4-2666 | DDR4-2666 |
Memory Size | 128 GB | 128 GB |
Max. Memory Channels | 2 | 2 |
Max. Memory Bandwidth | 41.6 GB/s | 41.6 GB/s |
ECC Support | No | No |
Official site | Intel Core i5 8600K official page | Intel Core i5 8400 official page |
PCI Express Version | 3.0 | 3.0 |
PCI Express Lanes | 16 | 16 |
Extended instructions | SSE4. 1, SSE4.2, AVX-2 | SSE4.1, SSE4.2, AVX-2 |
Cast your vote
Choose between two processors
Core i5 8600K
9 (50%)
Core i5 8400
9 (50%)
Total votes: 18
ompetitors
1.
Intel Core i5 8600K and Intel Core i5 12600K
2.
Intel Core i5 8400 and Intel Core i5 12600K
3.
Intel Core i5 8400 and Intel Core i5 12400
4.
Intel Core i5 8400 and Intel Core i5 12400F
So which CPU will you choose: Intel Core i5 8400 or i5 8600K?
Name
Message
Promotion
Intel Core i5+8400 vs Intel Core i5-8600K: What is the difference?
Smartphone-graphic wire headphones
53 BALLLA
Intel Core i5+8400
55 Ballla
Intel Core i5-8600k
Winter i5-8600K
Why is Intel Core i5+8400 better than Intel Core i5-8600K?
- 30W below TDP?
65W vs 95W - Multithreaded?
Why is Intel Core i5-8600K better than Intel Core i5+8400?
- 28. 57% higher CPU speed?
6 x 3.6GHz vs 6 x 2.8GHz - 0.3GHz higher turbo clock speed?
4.3GHz vs 4GHz - 10% higher PassMark score?
12854 vs 11685 - 11.45% higher PassMark score (single)?
2530 vs 2270 - Supports memory debug code?
- 100MHz faster GPU turbo speed?
1150MHz vs 1050MHz - 8 higher hour multiplier?
36 vs 28
Which comparisons are the most popular? AMD Ryzen 7 5800X
Intel Core i5+8400
VS
Intel Core i7-3770
Intel Core i5-8600k
VS
Intel Core i5-9600k
Intel Core I5+8400
VS 9000 AMD AMD AMD AMD
Intel Core i5-8600k
VS
AMD Ryzen 5 5600x
Intel Core i5+8400
VS
Intel Core i7-4790k
Intel Core I5-8600K
VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS 9000 VS
Intel Core i5+8400
VS
AMD Ryzen 5 3600
Intel Core i5-8600k
VS
AMD Ryzen 5 2600x
Intel Core i5+8400
VS
Intel Core I3-10100
Intel Core
INTER
VS
Intel Core i7-7700k
Intel Core i5+8400
VS
AMD Ryzen 5 5600g
Intel Core i5-8600k
VS
Intel Core
vs
Intel Core i3-8100
Intel Core i5-8600k
VS
Intel Core i5-8600
Intel Core i5+8400
VS
Intel Core i7-6700
Intel Core I5 -000
Intel Core INTEL Core 2
AMD RYZEN 5 5600G
Intel Core i5+8400
VS
AMD Ryzen 5 2600
Intel Core i5-8600K
VS
Intel
22222222222222222 rating
Intel Core i5+8400
2 reviews of users
Intel Core i5+8400
10. 0 /10
2 reviews of users
Intel Core i5-8600k
0 Reviews of users
Intel Core I5 -8600K
0.0 /10
0 reviews of users
Functions
Price and quality ratio
10.0 /10
2 VOTES
reviews yet not
Games
10.0 /10
2 Votes
reviews yet there is no
performance
10.0219 /10
2 Votes
reviews yet there are no
9000
18
19 /10
2 votes
No reviews yet
Energy Efficiency
10.0 /10
2 votes
No reviews yet 9 No reviews yet
0002
Performance
CPU speed
6 x 2.8GHz
6 x 3.6GHz
CPU speed indicates how many processing cycles per second the processor can perform, considering all its 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.
processor thread
More threads result in better performance and better multitasking.
turbo clock speed
4.3GHz
When the processor is running below its limits, it can jump to a higher clock speed to increase performance.
Unlocked
✖Intel Core i5+8400
✖Intel Core i5-8600K
Some processors come with an unlocked multiplier and can be easily overclocked for better performance in games and other applications.
L2 Cache
More L2 scratchpad memory results in faster results in CPU and system performance tuning.
L3 cache
More L3 scratchpad memory results in faster results in CPU and system performance tuning.
L1 cache
More L1 cache results in faster results in CPU and system performance tuning.
L2 core
0.25MB/core
0.25MB/core
More data can be stored in L2 scratchpad for access by each processor core.
L3 core
1.5MB/core
1.5MB/core
More data can be stored in L3 scratchpad for access by each processor core.
Geotagging
PassMark result
This benchmark measures CPU performance using multithreading.
PassMark result (single)
This test measures processor performance using a thread of execution.
Geekbench 5 result (multi-core)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
Geekbench 5 is a cross-platform benchmark that measures multi-core processor performance. (Source: Primate Labs, 2022)
Cinebench R20 result (multi-core)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
Cinebench R20 is a benchmark that measures the performance of a multi-core processor by rendering a 3D scene.
Cinebench R20 result (single core)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
Cinebench R20 is a test to evaluate the performance of a single core processor when rendering a 3D scene.
Geekbench 5 result (single core)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
Geekbench 5 is a cross-platform benchmark that measures the single-core performance of a processor. (Source: Primate Labs, 2022)
Blender test result (bmw27)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
The Blender benchmark (bmw27) measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.
Blender (classroom) result
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
The Blender (classroom) test measures CPU performance by rendering a 3D scene. More powerful processors can render a scene in a shorter time.
performance per watt
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
This means that the processor is more efficient, giving more performance per watt of power used.
Integrated graphics
GPU clock speed
350MHz
350MHz
The graphics processing unit (GPU) has a higher clock speed.
turbo GPU
1050MHz
1150MHz
When the GPU is running below its limits, it can jump to a higher clock speed to increase performance.
GPU actuators
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
A graphics processing unit (GPU) with more execution units can provide better graphics.
monitor support
By using multiple displays, you can increase your workspace, making it easier to work across multiple applications.
version of DirectX
DirectX is used in games with a new version that supports better graphics.
OpenGL version
The newer version of OpenGL, the better graphics quality in games.
OpenCL version
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
Some applications use OpenCL to use the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions are more functional and better quality.
textured units (TMUs)
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
TMUs take texture units and map them to the geometric layout of the 3D scene. More TMUs generally means texture information is processed faster.
imaging units ROPs
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
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
RAM speed
2666MHz
2666MHz
Can support faster memory which speeds up system performance.
maximum memory bandwidth
41.6GB/s
42.7GB/s
This is the maximum rate at which data can be read from or stored in memory.
DDR memory version
DDR (Double Data Rate Synchronous Dynamic Random Access Memory) is the most common type of main memory. New versions of DDR memory support higher maximum speeds and are more energy efficient.
memory channels
More memory channels increase the speed of data transfer between memory and processor.
maximum memory
Maximum memory (RAM).
bus baud rate
The bus is responsible for transferring data between various components of a computer or device.
Supports memory troubleshooting code
✖Intel Core i5+8400
✔Intel Core i5-8600K
Memory troubleshooting code can detect and repair data corruption. It is used when necessary to avoid distortion, such as in scientific computing or when starting a server.
eMMC version
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
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.
bus frequency
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
The bus is responsible for transferring data between various components of a computer or device
, Intel’s Hyperthreading or AMD’s Simultaneous Multithreading) delivers faster 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.
Has AES
✔Intel Core i5+8400
✔Intel Core i5-8600K
AES is used to speed up encryption and decryption.
Has AVX
✔Intel Core i5+8400
✔Intel Core i5-8600K
AVX is used to help speed up calculations in multimedia, scientific and financial applications, and to improve the performance of the Linux RAID program.
version of 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.
Has F16C
✔Intel Core i5+8400
✔Intel Core i5-8600K
F16C is used to speed up tasks such as adjusting image contrast or adjusting volume.
bits transmitted at the same time
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
NEON provides faster media processing such as MP3 listening.
Has MMX
✔Intel Core i5+8400
✔Intel Core i5-8600K
MMX is used to speed up tasks such as adjusting image contrast or adjusting volume.
Has TrustZone
✖Intel Core i5+8400
✖Intel Core i5-8600K
Technology is integrated into the processor to ensure device security when using features such as mobile payments and streaming video using Digital Rights Management (DRM) technology .
interface width
Unknown. Help us offer a price. (Intel Core i5+8400)
Unknown. Help us offer a price. (Intel Core i5-8600K)
The processor can decode more instructions per clock (IPC), which means the processor performs better
Price comparison
Which CPUs are better?
This page is currently only available in English.
Intel Core i5 8600K vs i5 8400: 9 performance comparison0001
VS
Intel Core i5 8600K
Intel Core i5 8400
Which is better: Intel Core i5 8600K at 3.6 GHz (with Turbo Boost up to 4.3) or i5 8400 at 2.8 GHz (with Turbo Boost up to 4.0)? To find out, read our comparative testing of these 6-core desktop processors in popular benchmarks, games and heavy applications.
- Overview
- Differences
- Performance
- Features
- Comments
Overview
Overview and comparison of the main metrics from NanoReview
Single -flow performance
Rating in tests using one kernel
Core i5 8600k
55
Core i5 8400
47
Multi -flow performance
Tests in benchmarks where all nucleus
Core2 Core 86002 are involved 27
Core i5 8400
23
Energy efficiency
Effect Energy Effect CHIP
Core I5 8600K
41
Core i5 8400
44
Rating NanoreView
9000 8 000 Core
37
Key differences
What are the main differences between 8400 and 8600K
Reasons to choose Intel Core i5 8600K
- Unlocked multiplier
- 7% faster Turbo Boost frequency (4. 3 GHz vs 4 GHz)
- 13% faster Geekbench v5 single core — 1170 and 1034 points
Reasons to choose Intel Core i5 8400
- 32% lower than Core i5 8600K peak power consumption — 65 vs 95 Watts
Benchmark tests
Compare the results of processor tests in benchmarks
Cinebench R23 (single core)
Core i5 8600K
+21%
1238
Core i5 8400
1020
Cinebench R23 (multi-core)
Core i5 8600K
+16%
6769
Core i5 8400
5811
Passmark CPU (single core)
Core i5 8600K
+9%
2590
Core i5 8400
2379
Passmark CPU (multi-core)
Core i5 8600K
+10%
10165
Core i5 8400
9228
Geekbench 5 (single core)
Core i5 8600K
+13%
1160
Core i5 8400
1026
Geekbench 5 (multi-core)
Core i5 8600K
+17%
5374
Core i5 8400
4607
▶️ Add your score to Cinebench R23
Specifications
List of full technical specifications of Intel Core i5 8600K and i5 8400
General information
Manufacturer | Intel | Intel |
Release date | October 5, 2017 | October 5, 2017 |
Type | Desktop | Desktop |
Instruction set architecture | x86-64 | x86-64 |
Codename | Coffee Lake | Coffee Lake |
Model number | i5-8600K | i5-8400 |
Socket | LGA-1151 | LGA-1151 |
Integrated graphics | UHD Graphics 630 | UHD Graphics 630 |
Performance
Number of cores | 6 | 6 |
Number of threads | 6 | 6 |
Frequency | 3. 6 GHz | 2.8 GHz |
Max. frequency in Turbo Boost | 4.3 GHz | 4 GHz |
Bus frequency | 100 MHz | 100 MHz |
Multiplier | 36x | 28x |
Tire speed | 8 GT/s | 8 GT/s |
Level 1 cache | 64KB (per core) | 64KB (per core) |
Level 2 cache | 256KB (per core) | 256KB (per core) |
Level 3 cache | 9MB (shared) | 9MB (shared) |
Unlocked multiplier | Yes | No |
Power consumption
Process | 14 nanometers | 14 nanometers |
Power consumption (TDP) | 95 W | 65 W |
Critical temperature | 100°C | 100°C |
Integrated graphics | Intel UHD Graphics 630 | Intel UHD Graphics 630 |
GPU clock | 350 MHz | 350 MHz |
Boost GPU frequency | 1150 MHz | 1050 MHz |
Shader blocks | 192 | 192 |
TMUs | 24 | 24 |
ROPs | 3 | 3 |
Computer units | 24 | 24 |
TGP | 15W | 15W |
Max. resolution | 4096×2304 — 60Hz | 4096×2304 — 60Hz |
Igpu Flops
Core i5 8600k
0.38 Teraflops
Core i5 8400
0.38 Teraflops
Support for memory
Other
Official site | Site Intel Core i5 8600K | Site Intel Core i5 8400 |
PCI Express Version | 3.0 | 3.0 |
Max. PCI Express lanes | 16 | 16 |
Extended instructions | SSE4.1, SSE4.2, AVX-2 | SSE4.1, SSE4.2, AVX-2 |
Poll
What processor do you think is the best?
Core i5 8600K
9 (50%)
Core i5 8400
9 (50%)
Total votes: 18
Competitors
1.