Home Comparison Intel Core i7 6700K vs Intel Core i5 10400

Intel Core i7 6700K vs Intel Core i5 10400

We compared two desktop CPUs: Intel Core i7 6700K with 4 cores 4.0GHz and Intel Core i5 10400 with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 6700K 's Advantages
Higher base frequency (4.0GHz vs 2.9GHz)
Intel Core i5 10400 's Advantages
Released 4 years and 9 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (12MB vs 8MB)
Lower TDP (65W vs 91W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 6700K
1129
Intel Core i5 10400
1126
Cinebench R23 Multi Core
Intel Core i7 6700K
5646
Intel Core i5 10400 +34%
7610
Geekbench 6 Single Core
Intel Core i7 6700K +7%
1512
Intel Core i5 10400
1401
Geekbench 6 Multi Core
Intel Core i7 6700K
5068
Intel Core i5 10400 +16%
5919
Blender
Intel Core i7 6700K
107
Intel Core i5 10400 +18%
127
Geekbench 5 Single Core
Intel Core i7 6700K
1087
Intel Core i5 10400 +5%
1149
Geekbench 5 Multi Core
Intel Core i7 6700K
4271
Intel Core i5 10400 +35%
5766
Passmark CPU Single Core
Intel Core i7 6700K
2503
Intel Core i5 10400 +2%
2569
Passmark CPU Multi Core
Intel Core i7 6700K
8928
Intel Core i5 10400 +36%
12194
VS

General Parameters

Aug 2015
Release Date
May 2020
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Comet Lake
i7-6700K
Processor Number
i5-10400
LGA-1151
Socket
LGA-1200
HD Graphics 530
Integrated Graphics
UHD Graphics 630

Package

1.75 billions
Transistor Count
-
14 nm
Manufacturing Process
14 nm
91 W
Power Consumption
65 W
-
Peak Operating Temperature
100 °C

CPU Performance

4
Performance Cores
6
8
Performance Core Threads
12
4.0 GHz
Performance Core Base Frequency
2.9 GHz
4.2 GHz
Performance Core Turbo Frequency
4.3 GHz
4
Total Core Count
6
8
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
40
Multiplier
29x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
12 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR4-2133,DDR3L-1600
Memory Types
DDR4-2666
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
1150 MHz
GPU Max Dynamic Frequency
1100 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
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
-

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