Intel Core i7 6700K vs Intel Core i5 6400
CPU · Specs Compare
General Parameters
Release Date
Aug 2015
Sep 2015
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Skylake
Processor Number
i7-6700K
i5-6400
Integrated Graphics
HD Graphics 530
HD Graphics 530
Package
Transistor Count
1.75 billions
—
Manufacturing Process
14 nm
14 nm
Socket
LGA-1151
LGA-1151
Power Consumption
91 W
65 W
CPU Performance
Performance Cores
4
4
Performance Core Threads
8
4
Performance Core Base Frequency
4.0 GHz
2.7 GHz
Performance Core Turbo Frequency
4.2 GHz
3.3 GHz
Total Core Count
4
4
Total Thread Count
8
4
Bus Frequency
100 MHz
100 MHz
Multiplier
40
27x
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
256 K per core
L3 Cache
8 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2133,DDR3L-1600
DDR4-2133, DDR3L-1600
Max Memory Size
64 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
34.1 GB/s
34.1 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
1150 MHz
950 MHz
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
16
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
SSE4.1, SSE4.2, AVX-2
Benchmark
Cinebench R23
1,129
898
Cinebench R23
5,646
3,214
Geekbench 6
1,512
1,143
Geekbench 5
1,087
853
Geekbench 6
5,068
3,312
Geekbench 5
4,271
2,805
Blender
107
49
Passmark CPU
2,503
1,961
Passmark CPU
8,928
5,151
▲ Specs Compare
Data sourced from official specifications and benchmark tests.