Intel Core i5 8400 vs Intel Core i5 8600K
We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i5 8600K with 6 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 8400 Advantages
Lower TDP (65W vs 95W)
Intel Core i5 8600K Advantages
Higher base frequency (3.6GHz vs 2.8GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 8400
1026
Intel Core i5 8600K
+17%
1201
Cinebench R23 Multi Core
Intel Core i5 8400
5798
Intel Core i5 8600K
+14%
6612
Geekbench 6 Single Core
Intel Core i5 8400
1298
Intel Core i5 8600K
+27%
1649
Geekbench 6 Multi Core
Intel Core i5 8400
4677
Intel Core i5 8600K
+29%
6050
Blender
Intel Core i5 8400
83
Intel Core i5 8600K
+32%
110
Geekbench 5 Single Core
Intel Core i5 8400
1032
Intel Core i5 8600K
+12%
1163
Geekbench 5 Multi Core
Intel Core i5 8400
4611
Intel Core i5 8600K
+16%
5367
Passmark CPU Single Core
Intel Core i5 8400
2387
Intel Core i5 8600K
+9%
2603
Passmark CPU Multi Core
Intel Core i5 8400
9214
Intel Core i5 8600K
+10%
10201
General Parameters
Oct 2017
Release Date
Oct 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i5-8400
Processor Number
i5-8600K
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
UHD Graphics 630
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
95 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
6
6
Performance Core Threads
6
2.8 GHz
Performance Core Base Frequency
3.6 GHz
4 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
6
6
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
28x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
9 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
350 MHz
1050 MHz
GPU Max Dynamic Frequency
1150 MHz
192
Shader Units
192
24
Texture Units
24
3
Raster Operation Units
3
24
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
