Intel Core i5-8400 Intel Core i5-8400
Intel Core i5-6600K Intel Core i5-6600K
VS

Comparision Intel Core i5-8400 vs Intel Core i5-6600K

Intel Core i5-8400

WINNER
Intel Core i5-8400

Rating: 9 points
Intel Core i5-6600K

Intel Core i5-6600K

Rating: 6 points
Grade
Intel Core i5-8400
Intel Core i5-6600K
Test results
1
1
Technology
9
9
Performance
5
5
Memory specification
5
5
Interfaces and communications
6
7
Main characteristics
6
6

Top specs and features

Passmark test

Intel Core i5-8400: 8663 Intel Core i5-6600K: 6113

Оценка Cinebench11.5 (одиночный)

Intel Core i5-8400: 11 Intel Core i5-6600K: 7

Power Consumption (TDP)

Intel Core i5-8400: 65 W Intel Core i5-6600K: 91 W

Video memory size

Intel Core i5-8400: 64 GB Intel Core i5-6600K: 64 GB

Technological process

Intel Core i5-8400: 14 nm Intel Core i5-6600K: 14 nm

Description

The Intel Core i5-8400 processor runs at 2.8 Hz, the other Intel Core i5-6600K runs at 3.5 Hz. Intel Core i5-8400 is able to accelerate to 4 Hz , and the second to 3.9 Hz. The maximum power consumption for the first processor is 65 W, and for Intel Core i5-6600K 91 W.

In terms of architecture, Intel Core i5-8400 is built using 14 nm technology. Intel Core i5-6600K on the 14 nm architecture.

Relative to processor memory. Intel Core i5-8400 can support DDR4. The maximum supported size is 64 MB. It should be noted that the maximum memory bandwidth is 41.6. The second processor Intel Core i5-6600K is capable of supporting DDR4. The throughput is 34.1. And the maximum amount of supported RAM is 64 MB.

Graphics. Intel Core i5-8400 has a graphics engine Intel UHD 630. The frequency of which is - 350 MHz. Intel Core i5-6600K received video core Intel HD Graphics 530. Here the frequency is 350 MHz.

How processors perform in benchmarks. In the PassMark benchmark, Intel Core i5-8400 scored 8663. And Intel Core i5-6600K scored 6113 points.

Why Intel Core i5-8400 is better than Intel Core i5-6600K

  • Passmark test 8663 против 6113 , more on 42%
  • Power Consumption (TDP) 65 W против 91 W, less by -29%
  • L1 cache size 384 KB против 128 KB, more on 200%
  • L2 cache size 1.536 MB против 1 MB, more on 54%
  • Number of threads 6 против 4 , more on 50%
  • L3 cache size 9 MB против 6 MB, more on 50%
  • Maximum processor frequency 4 GHz против 3.9 GHz, more on 3%

Intel Core i5-8400 vs Intel Core i5-6600K: highlights

Intel Core i5-8400
Intel Core i5-8400
Intel Core i5-6600K
Intel Core i5-6600K
Test results
Passmark test
The PassMark test considers read speed, write speed, and seek time when testing SSD performance.
8663
max 104648
Average: 6033.5
6113
max 104648
Average: 6033.5
Geekbench 5 score (multi-core)
Benchmark in Geekbench 5 that measures the multi-threaded performance of a processor.
4467
max 25920
Average: 5219.2
3555
max 25920
Average: 5219.2
Geekbench score 5
1025
max 2315
Average: 936.8
1080
max 2315
Average: 936.8
Cinebench 10 32-bit multi-core benchmark score
30605
max 84673
Average: 1955
21089
max 84673
Average: 1955
3DMark06 CPU benchmark score
9417
max 21654
Average: 3892.6
7331
max 21654
Average: 3892.6
Cinebench 10 32-bit single-core score
6326
max 24400
Average: 3557.7
6120
max 24400
Average: 3557.7
Cinebench 11.5 64-bit multi-core test score
11
max 70
Average: 5.3
7
max 70
Average: 5.3
TrueCrypt AES benchmark score
5
max 35
Average: 3.1
3
max 35
Average: 3.1
X264 encoding pass 2 test score
61
max 274
Average: 33.8
40
max 274
Average: 33.8
X264 encoding pass 1 test score
223
max 411
Average: 117.5
194
max 411
Average: 117.5
WinRAR 4.0 test score
5142
max 17932
Average: 3042.5
3603
max 17932
Average: 3042.5
Cinebench 15 64-bit multi-core test score
935
max 9405
Average: 638.4
595
max 9405
Average: 638.4
Cinebench 15 64-bit single-core test score
169
max 323
Average: 128.5
164
max 323
Average: 128.5
Cinebench 11.5 64-bit single-core test score
Cinebench is a popular benchmark for evaluating the performance of processors and graphics cards. It is used to measure performance in 3D scene rendering and visual effects processing tasks. The results are measured in points. Show more
2
max 4
Average: 1.4
2
max 4
Average: 1.4
Geekbench 4.0 64-bit multi-core test score
A benchmark that measures the multi-threaded performance of a processor in a 64-bit environment.
19383
max 40853
Average: 11467.2
max 40853
Average: 11467.2
Geekbench 4.0 64-bit single-core test score
Benchmark that measures the single-threaded performance of a processor in a 64-bit environment.
4966
max 6439
Average: 3702.8
max 6439
Average: 3702.8
Technology
AES
Commands designed to speed up encryption and decryption operations using the AES algorithm. They allow processors to process data faster and more efficiently, improving the performance of cryptographic operations. This is especially useful in security systems, network communications and data storage. Show more
Available
Available
Support for Intel Optane memory
A memory technology and type developed by Intel that combines the benefits of fast flash memory with the high capacity of a hard drive.
Available
Not available
Thermal control technologies
Available
Available
Intel Privacy Protection Technology
Available
Available
Intel Trusted Execution Technology
A technology that protects the system from malicious software and unauthorized access.
Not available
Not available
Intel Boot Guard
A security technology in Intel processors that prevents unauthorized changes to the boot process and improves system security.
Available
Available
Supports hardware virtualization technology
Hardware virtualization makes it much easier to get high quality images.
Available
Available
Performance
Number of threads
The more threads, the higher the performance of the processor will be, and it will be able to perform several tasks at the same time.
6
max 256
Average: 10.7
4
max 256
Average: 10.7
L1 cache size
large amount of L1 memory accelerates results in the CPU and system performance settings
384 KB
max 6144
Average: 299.3 KB
128 KB
max 6144
Average: 299.3 KB
L2 cache size
An L2 cache with a large amount of scratchpad memory allows you to increase the speed of the processor and the overall performance of the system.
1.536 MB
max 512
Average: 4.5 MB
1 MB
max 512
Average: 4.5 MB
L3 cache size
A large amount of L3 memory accelerates results in the CPU and system performance settings
9 MB
max 768
Average: 16.3 MB
6 MB
max 768
Average: 16.3 MB
Maximum processor frequency
When the processor's speed drops below its limit, it can jump to a higher clock speed to improve performance.
4 GHz
max 5.7
Average: 3.2 GHz
3.9 GHz
max 5.7
Average: 3.2 GHz
Number of Cores
The number of cores in processors indicates the number of independent computing units that can execute tasks in parallel. More cores allow the processor to handle more tasks at once, which improves overall performance and the ability to handle multi-threaded applications. Show more
6
max 72
Average: 5.8
4
max 72
Average: 5.8
CPU base clock speed
2.8 GHz
max 4.7
Average: 2.5 GHz
3.5 GHz
max 4.7
Average: 2.5 GHz
Max. number of PCI Express lanes
The more channels, the greater the bandwidth and the possibility of data transfer between the components of the system. This affects the speed and performance of connected devices such as graphics cards or network adapters. Show more
16
max 64
Average: 22.7
16
max 64
Average: 22.7
Multiplier unlocked
Some processors have an unlocked multiplier, thanks to which they work faster and improve the quality in games and other applications.
Not available
Available
The turbo boost version is newer
Turbo Boost is a technology that allows the processor to operate at a frequency higher than the maximum. This increases its productivity (including when performing complex tasks) Show more
2
max 2
Average: 1.9
2
max 2
Average: 1.9
Video memory size
149
max 513
Average:
122
max 513
Average:
Video core
Intel UHD 630
Intel HD Graphics 530
Maximum video core frequency
1.05 GHz
max 2.1
Average: 1.1 GHz
1.15 GHz
max 2.1
Average: 1.1 GHz
Number of PCI-Express Lines
16
16
Max. the number of processors in the configuration
1
max 8
Average: 1.3
1
max 8
Average: 1.3
RAM types
Various versions of DDR, such as DDR2, DDR3, DDR4, and DDR5, offer improved features and performance over previous versions, allowing you to work more efficiently with data and improve overall system performance. Show more
4
max 5
Average: 3.5
4
max 5
Average: 3.5
Memory specification
Memory bandwidth
This is the rate at which the device stores or reads information.
41.6 GB/s
max 352
Average: 41.4 GB/s
34.1 GB/s
max 352
Average: 41.4 GB/s
Memory frequency
RAM may be faster to increase system performance.
2666 MHz
max 4800
Average: 2106.2 MHz
2133 MHz
max 4800
Average: 2106.2 MHz
Max. number of memory channels
The more their number, the higher the data transfer rate from memory to processor
2
max 16
Average: 2.9
2
max 16
Average: 2.9
Max. Memory
The largest amount of RAM memory.
64 GB
max 6000
Average: 404.4 GB
64 GB
max 6000
Average: 404.4 GB
Crystal size
64
max 128
Average:
64
max 128
Average:
System bus frequency
Data between computer components and other devices is transferred via a bus.
8 GT/s
max 1600
Average: 156.1 GT/s
8 GT/s
max 1600
Average: 156.1 GT/s
ECC memory support
The memory debugging code is used when it is necessary to avoid data corruption during scientific computing or server startup. It finds possible errors and repairs data corruption. Show more
Not available
Not available
Video memory size
More RAM allows you to perform more complex tasks, run more programs at the same time, and improve overall system performance.
64 GB
max 128
Average: 34.8 GB
64 GB
max 128
Average: 34.8 GB
Interfaces and communications
Max. resolution (DP)
4096x2304@60Hz
4096x2304@60Hz
vPro
set of technologies to improve the security and manageability of business computers.
Not available
Not available
Enhanced SpeedStep (EIST)
technology in Intel processors that dynamically adjusts clock speed and voltage to optimize power consumption and performance.
Available
Available
OpenCL
Newer version of OpenCL means more features, improved performance and compatibility with the latest applications using OpenCL
4.5
max 4.6
Average: 4.1
4.5
max 4.6
Average: 4.1
Intel® AES-NI Commands
AES is needed to speed up encryption and decryption.
Available
Available
OpenGL
Later versions provide quality game graphics
4.5
max 4.6
Average: 4.4
4.5
max 4.6
Average: 4.4
Has avx
AVX allows you to increase the speed of calculations in multimedia, financial and scientific applications, and it also improves the performance of Linux RAID. Show more
Available
Available
4K support
You can view images in the highest quality
Available
Available
Socket
Connector on the motherboard for installing the processor.
FCLGA1151
FCLGA1151
Thermal Monitoring
A feature that allows you to monitor and control the temperature of the processor.
Available
Available
SIPP
Not available
Not available
TSX
A technology for efficiently synchronizing threads of execution through the use of transactional memory.
Not available
Available
TXT
A technology for creating a secure and isolated runtime environment that protects your system and data from malware and attacks.
Not available
Not available
EDB
technology used in processors to improve system security. It prevents malicious code from executing by blocking its execution in memory and protecting the computer from attacks such as buffer overflow attacks. EDB helps prevent the introduction and spread of malicious software, providing better data and system protection. Show more
Available
Available
Secure Key
technology that generates high-quality random numbers for encryption and other cryptographic operations. It enhances system security by providing strong data encryption and protection against hacking or unauthorized access. Show more
Available
Available
MPX
A technology in Intel processors that protects memory from buffer overflows and vulnerabilities.
Available
Available
Identity Protection
A set of technologies for protecting personal information and identities from unauthorized access and fraud.
Available
Available
SGX
A technology for creating isolated areas to protect sensitive data and application code.
Available
Available
EPT
Memory virtualization technology used in Intel processors. It provides the ability to efficiently manage and access virtual memory. EPT allows virtual machines to access physical memory directly, minimizing the latency and overhead of translating virtual addresses into physical ones. In this way, EPT improves the performance and efficiency of virtualization, simplifies memory management, and provides better isolation between virtual machines. Show more
Available
Available
AMD-V
Support for virtualization and virtual machine execution for security and performance
Available
Available
Quick Sync Video
Hardware technology developed by Intel that provides fast and efficient video processing. It allows you to quickly encode and decode video with minimal CPU usage, reducing system load and providing smoother and more efficient video playback. Show more
Available
Available
Clear Video
A technology that improves video quality and playback. It offers sharper and more realistic images, improved color reproduction and detail, and smoother video playback. Show more
Available
Available
Clear Video HD
Clear Video HD is an Intel technology that improves the quality of video playback on computers. It includes video processing algorithms, improves sharpness and color reproduction, provides smooth playback and hardware support for video decoding of various formats. Show more
Available
Available
InTru 3D
A technology in Intel processors that enables the playback of three-dimensional (3D) content on a computer.
Available
Available
uses multithreading
The ability to handle multiple tasks at the same time to improve productivity.
Not available
Not available
Main characteristics
Technological process
The small size of semiconductors means that this is a new generation chip.
14 nm
Average: 36.8 nm
14 nm
Average: 36.8 nm
Power Consumption (TDP)
The heat dissipation requirement (TDP) is the maximum amount of energy that can be dissipated by the cooling system. The lower the TDP, the less power will be consumed. Show more
65 W
Average: 67.6 W
91 W
Average: 67.6 W
PCI Express Edition
High-speed bus for connecting peripherals to a computer. Different versions determine the data transfer rate, and the number (x1, x4, x8, x16) indicates the number of logical lines for data transfer and determines the throughput and capabilities of the devices. Show more
3
max 5
Average: 2.9
3
max 5
Average: 2.9
Embedded options available
Not available
Not available
Cooling system specifications
PCG 2015C (65W)
PCG 2015D (130W)
Video memory size
149
max 513
Average:
122
max 513
Average:
GPU base clock speed
The graphics processing unit (GPU) is characterized by a high clock speed.
350 MHz
max 2400
Average: 535.8 MHz
350 MHz
max 2400
Average: 535.8 MHz
Supports 64-bit system
64-bit system, unlike a 32-bit one, can support more than 4 GB of RAM. This increases productivity. It also allows you to run 64-bit applications.
Available
Available
DirectX
Used in demanding games, providing improved graphics
12
max 12.1
Average: 12
12
max 12.1
Average: 12
Maximum temperature for processors
If the maximum temperature at which the processor operates is exceeded, a reset may occur.
100 °C
max 110
Average: 96 °C
64 °C
max 110
Average: 96 °C
Monitor support
Multiple monitors can be connected to the device, which makes it easier to work by increasing the working space.
3
max 4
Average: 2.9
3
max 4
Average: 2.9
Architecture codename
Coffee Lake
Skylake
Appointment
Desktop
Desktop
Series
Intel Core i5
Intel Core i5 (Desktop)

FAQ

Can Intel Core i5-8400 and Intel Core i5-6600K work in 4K mode?

Intel Core i5-8400 - has. Intel Core i5-6600K - has.

How many PCIe lanes

Intel Core i5-8400 - 16. Intel Core i5-6600K - 16.

How much RAM does it support?

Intel Core i5-8400 supports 64 GB. Intel Core i5-6600K supports 64GB.

How fast are the processors?

Intel Core i5-8400 operates on 2.8 GHz.5 GHz.

How many cores does the processor have?

Intel Core i5-8400 has 6 cores. Intel Core i5-6600K has 4 cores.

Do processors support ECC memory?

Intel Core i5-8400 - doesn't have. Intel Core i5-6600K - doesn't have.

Does Intel Core i5-8400 have embedded graphics?

Intel Core i5-8400 - Intel UHD 630. Intel Core i5-6600K - Intel HD Graphics 530

What kind of RAM is supported

Intel Core i5-8400 supports DDR4. Intel Core i5-6600K supports DDR4.

What is the socket of the processors?

Using FCLGA1151 to set Intel Core i5-8400. FCLGA1151 is used to set Intel Core i5-6600K.

What architecture do they use?

Intel Core i5-8400 is built on the Coffee Lake architecture. Intel Core i5-6600K is built on the Skylake architecture.

Is the Intel Core i5-8400 CPU multiplier unlocked?

Intel Core i5-8400 - doesn't have. Intel Core i5-6600K - has.

How do processors perform in benchmarks?

According to PassMark, Intel Core i5-8400 scored 8663 points. Intel Core i5-6600K scored 6113 points.

What is the maximum frequency of processors?

Intel Core i5-8400 has a maximum frequency of 4 Hz. The maximum frequency of Intel Core i5-6600K reaches 3.9 Hz.

How much energy do they consume?

The power consumption of Intel Core i5-8400 can be up to 65 Watts. Intel Core i5-6600K has up to 65 Watts.