Compare processors

Intel logo Core i5-6600K
versus
Intel logo Core i5-6400

Intel Core i5-6600K logo Intel Core i5-6400 logo
General information Core i5-6600K Core i5-6400
Launched Q3 2015 Q3 2015
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151 LGA1151
Series Name Intel Core i5 Intel Core i5
Core Family Name Skylake-S Skylake-S
Clock 3.5 GHz 0 % 2.7 GHz 22.9 %
Turbo Clock 3.9 GHz 0 % 3.3 GHz 15.4 %
Cores 4 0 % 4 0 %
Threads 4 0 % 4 0 %
Thermal Design Power (TDP) 91 W 0 % 65 W 28.6 %
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 × 6 MB
1 × 6 MB
ECC Supported No No
Multithreading Supported No No
Integrated GPU Intel HD Graphics 530 Intel HD Graphics 530
Performance Core i5-6600K Core i5-6400
Overall Score 45073 0 % 42858 4.9 %
Future Proof 49 % 0 % 49 % 0 %
Benchmark Score 4127 0 % 3374 18.2 %
Single Thread Score 2329.3 0 % 1949.2 16.3 %
Encrypting Data 1854.7 MB/s 0 % 1475.1 MB/s 20.5 %
Compressing Data 84.3 MB/s 0 % 69.5 MB/s 17.6 %
String objects sorting 10720.5 thousand/s 0 % 8806.1 thousand/s 17.9 %
Prime numbers generation 30.8 millions/s 0 % 26.1 millions/s 15.2 %
Mathemathic operations (integer) 16404.1 millions/s 0 % 13662 millions/s 16.7 %
Mathemathic operations (float) 13990.4 millions/s 0 % 11612 millions/s 17 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-6600K, Core i5-6400.

Average frames per second Core i5-6600K Core i5-6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 88.2 FPS 81.7 FPS
High settings 141.1 FPS 130.7 FPS
Medium settings 176.3 FPS 163.3 FPS
Low settings 220.4 FPS 204.1 FPS
Difference 0 % 7.4 %

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 i5-6600K Core i5-6400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 129.7 FPS 125.8 FPS
High settings 207.5 FPS 201.3 FPS
Medium settings 259.4 FPS 251.6 FPS
Low settings 324.3 FPS 314.5 FPS
Difference 0 % 3 %
Configuration Settings
Gaming astronaut image
Video game
Required
Screen resolution Screen resolution image
Required
Screen resolution image
Compare processors
Processor image
Processor Processor image
Selected processors