Home Comparison Intel Core i5 8400 vs Intel Core i7 6800K

Intel Core i5 8400 vs Intel Core i7 6800K

Intel Core i5 8400
VS
Intel Core i7 6800K
Intel Core i5 8400
Intel Core i7 6800K
We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i7 6800K with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8400 's Advantages
Released 1 years and 5 months late
Integrated graphics card
Higher specification of memory (2666 vs 2133)
Lower TDP (65W vs 140W)
Intel Core i7 6800K 's Advantages
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Higher base frequency (3.4GHz vs 2.8GHz)
Larger L3 cache size (15MB vs 9MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 8400 +7%
1026
Intel Core i7 6800K
951
Cinebench R23 Multi Core
Intel Core i5 8400
5798
Intel Core i7 6800K +14%
6632
Geekbench 6 Single Core
Intel Core i5 8400
1298
Intel Core i7 6800K +5%
1363
Geekbench 6 Multi Core
Intel Core i5 8400
4677
Intel Core i7 6800K +38%
6495
Blender
Intel Core i5 8400
83
Intel Core i7 6800K +12%
93
Geekbench 5 Single Core
Intel Core i5 8400 +11%
1032
Intel Core i7 6800K
922
Geekbench 5 Multi Core
Intel Core i5 8400
4611
Intel Core i7 6800K +20%
5537
Passmark CPU Single Core
Intel Core i5 8400 +5%
2387
Intel Core i7 6800K
2269
Passmark CPU Multi Core
Intel Core i5 8400
9214
Intel Core i7 6800K +16%
10740
Intel Core i5 8400
VS
Intel Core i7 6800K

General Parameters

Oct 2017
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Broadwell E
i5-8400
Processor Number
i7-6800K
LGA-1151
Socket
LGA-2011-3
UHD Graphics 630
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
-

CPU Performance

6
Performance Cores
6
6
Performance Core Threads
12
2.8 GHz
Performance Core Base Frequency
3.4 GHz
4 GHz
Performance Core Turbo Frequency
3.6 GHz
6
Total Core Count
6
6
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
28x
Multiplier
34x
64 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
15 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR4-2666
Memory Types
DDR4-2133
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1050 MHz
GPU Max Dynamic Frequency
-
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core i5 8400
Official Website
Intel Core i7 6800K
3.0
PCIe Version
3.0
16
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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