Compare processors

Intel logo Core i7-6700K
versus
Intel logo Core i5-6400

Intel Core i7-6700K logo Intel Core i5-6400 logo
General information Core i7-6700K Core i5-6400
Launched Q3 2015 Q3 2015
Used in Desktop Desktop
Factory Intel Intel
Socket LGA1151 LGA1151
Series Name Intel Core i7 Intel Core i5
Core Family Name Skylake-S Skylake-S
Clock 4 GHz 0 % 2.7 GHz 32.5 %
Turbo Clock 4.2 GHz 0 % 3.3 GHz 21.4 %
Cores 4 0 % 4 0 %
Threads 8 0 % 4 50 %
Thermal Design Power (TDP) 95 W 0 % 65 W 31.6 %
Maximum supported RAM 64 GB 0 % 64 GB 0 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 4 × 32 kB Instruction
4 × 32 kB Data
4 × 32 kB Instruction
4 × 32 kB Data
L2 Cache 4 × 256 kB
4 × 256 kB
L3 Cache 1 × 8 MB
1 × 6 MB
ECC Supported No No
Multithreading Supported Yes No
Integrated GPU Intel HD Graphics 530 Intel HD Graphics 530
Performance Core i7-6700K Core i5-6400
Overall Score 49142 0 % 42858 12.8 %
Future Proof 49 % 0 % 49 % 0 %
Benchmark Score 5832 0 % 3374 42.1 %
Single Thread Score 2497.5 0 % 1949.2 22 %
Encrypting Data 3086.5 MB/s 0 % 1475.1 MB/s 52.2 %
Compressing Data 123.1 MB/s 0 % 69.5 MB/s 43.6 %
String objects sorting 15996.2 thousand/s 0 % 8806.1 thousand/s 44.9 %
Prime numbers generation 30.2 millions/s 0 % 26.1 millions/s 13.5 %
Mathemathic operations (integer) 28319.9 millions/s 0 % 13662 millions/s 51.8 %
Mathemathic operations (float) 17230.5 millions/s 0 % 11612 millions/s 32.6 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-6700K, Core i5-6400.

Average frames per second Core i7-6700K Core i5-6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 100.2 FPS 81.7 FPS
High settings 160.4 FPS 130.7 FPS
Medium settings 200.5 FPS 163.3 FPS
Low settings 250.6 FPS 204.1 FPS
Difference 0 % 18.5 %

Grand Theft Auto V Frames per second

Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game 1920 × 1080 (FHD (1080p)) for Grand Theft Auto V.

Grand Theft Auto V Core i7-6700K Core i5-6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 136.9 FPS 125.8 FPS
High settings 219.0 FPS 201.3 FPS
Medium settings 273.8 FPS 251.6 FPS
Low settings 342.2 FPS 314.5 FPS
Difference 0 % 8.1 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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