Home Comparison Intel Core i7 6700K vs Intel Core i5 6400

Intel Core i7 6700K vs Intel Core i5 6400

Intel Core i7 6700K
VS
Intel Core i5 6400
Intel Core i7 6700K
Intel Core i5 6400
We compared two desktop CPUs: Intel Core i7 6700K with 4 cores 4.0GHz and Intel Core i5 6400 with 4 cores 2.7GHz . 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 2.7GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Core i5 6400 's Advantages
Higher specification of memory (2133 vs 2133)
Lower TDP (65W vs 91W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 6700K +25%
1129
Intel Core i5 6400
898
Cinebench R23 Multi Core
Intel Core i7 6700K +75%
5646
Intel Core i5 6400
3214
Geekbench 6 Single Core
Intel Core i7 6700K +32%
1512
Intel Core i5 6400
1143
Geekbench 6 Multi Core
Intel Core i7 6700K +53%
5068
Intel Core i5 6400
3312
Blender
Intel Core i7 6700K +118%
107
Intel Core i5 6400
49
Geekbench 5 Single Core
Intel Core i7 6700K +27%
1087
Intel Core i5 6400
853
Geekbench 5 Multi Core
Intel Core i7 6700K +52%
4271
Intel Core i5 6400
2805
Passmark CPU Single Core
Intel Core i7 6700K +27%
2503
Intel Core i5 6400
1961
Passmark CPU Multi Core
Intel Core i7 6700K +73%
8928
Intel Core i5 6400
5151
Intel Core i7 6700K
VS
Intel Core i5 6400

General Parameters

Aug 2015
Release Date
Sep 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i7-6700K
Processor Number
i5-6400
LGA-1151
Socket
LGA-1151
HD Graphics 530
Integrated Graphics
HD Graphics 530

Package

1.75 billions
Transistor Count
-
14 nm
Manufacturing Process
14 nm
91 W
Power Consumption
65 W

CPU Performance

4
Performance Cores
4
8
Performance Core Threads
4
4.0 GHz
Performance Core Base Frequency
2.7 GHz
4.2 GHz
Performance Core Turbo Frequency
3.3 GHz
4
Total Core Count
4
8
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
40
Multiplier
27x
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
6 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

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

Graphics Card Parameters

true
Integrated Graphics
true
1150 MHz
GPU Max Dynamic Frequency
950 MHz

Miscellaneous

Intel Core i7 6700K
Official Website
Intel Core i5 6400
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

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