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Intel logo Core i5-6400
versus
Intel logo Core i5-2500K

Intel Core i5-6400 logo Intel Core i5-2500K logo
General information Core i5-6400 Core i5-2500K
Launched Q3 2015 Q4 2010
Used in Desktop Desktop
Factory Intel Intel
Socket LGA1151 LGA1155
Series Name Intel Core i5 Intel Core i5
Core Family Name Skylake-S Sandy Bridge
Clock 2.7 GHz 18.2 % 3.3 GHz 0 %
Turbo Clock 3.3 GHz 10.8 % 3.7 GHz 0 %
Cores 4 0 % 4 0 %
Threads 4 0 % 4 0 %
Thermal Design Power (TDP) 65 W 31.6 % 95 W 0 %
Lithography 14 nm 56.3 % 32 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
2 × 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 3000
Performance Core i5-6400 Core i5-2500K
Overall Score 42586 0 % 40237 5.5 %
Future Proof 49 % 0 % 21 % 57.1 %
Benchmark Score 3289 0 % 2621 20.3 %
Single Thread Score 1941.4 0 % 1700.4 12.4 %
Encrypting Data 1483 MB/s 0 % 1031.8 MB/s 30.4 %
Compressing Data 70.1 MB/s 0 % 65.7 MB/s 6.2 %
String objects sorting 8871.2 thousand/s 2.4 % 9089.2 thousand/s 0 %
Prime numbers generation 26.1 millions/s 0 % 26 millions/s 0.3 %
Mathemathic operations (integer) 13639.3 millions/s 6.2 % 14548.4 millions/s 0 %
Mathemathic operations (float) 11654.4 millions/s 0 % 7453.8 millions/s 36 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-6400, Core i5-2500K.

Average frames per second Core i5-6400 Core i5-2500K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 81.6 FPS 74.6 FPS
High settings 130.5 FPS 119.4 FPS
Medium settings 163.2 FPS 149.2 FPS
Low settings 204.0 FPS 186.5 FPS
Difference 0 % 8.6 %

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 i5-6400 Core i5-2500K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 126.1 FPS 121.8 FPS
High settings 201.7 FPS 194.9 FPS
Medium settings 252.1 FPS 243.6 FPS
Low settings 315.2 FPS 304.6 FPS
Difference 0 % 3.4 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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