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Intel logo Core i5-6600K
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Intel logo Core2 Duo E4400

Intel Core i5-6600K logo Intel Core2 Duo E4400 logo
General information Core i5-6600K Core2 Duo E4400
Launched Q3 2015 Q4 2008
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151 LGA775
Series Name Intel Core i5 Intel Core 2 Duo
Core Family Name Skylake-S Conroe
Clock 3.5 GHz 0 % 2 GHz 42.9 %
Cores 4 0 % 2 50 %
Threads 4 0 % 2 50 %
Thermal Design Power (TDP) 91 W 0 % 65 W 28.6 %
Lithography 14 nm 78.5 % 65 nm 0 %
L1 Cache 4 × 32 kB Instruction
4 × 32 kB Data
2 × 32 kB Instruction
2 × 32 kB Data
L2 Cache 4 × 256 kB
1 × 2 MB
ECC Supported No No
Multithreading Supported No No
Performance Core i5-6600K Core2 Duo E4400
Overall Score 44958 0 % 25683 42.9 %
Future Proof 49 % 0 % 10 % 79.6 %
Benchmark Score 4085 0 % 435 89.4 %
Single Thread Score 2328.3 0 % 769.5 67 %
Encrypting Data 1822.6 MB/s 0 % 994.4 MB/s 45.4 %
Compressing Data 84.9 MB/s 0 % 13.8 MB/s 83.8 %
String objects sorting 10543 thousand/s 0 % 2019.9 thousand/s 80.8 %
Prime numbers generation 30.8 millions/s 0 % 3 millions/s 90.3 %
Mathemathic operations (integer) 16391.2 millions/s 0 % 2664.2 millions/s 83.7 %
Mathemathic operations (float) 14005.6 millions/s 0 % 1508.8 millions/s 89.2 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-6600K, Core2 Duo E4400.

Average frames per second Core i5-6600K Core2 Duo E4400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 88.2 FPS 34.1 FPS
High settings 141.2 FPS 54.5 FPS
Medium settings 176.4 FPS 68.1 FPS
Low settings 220.6 FPS 85.1 FPS
Difference 0 % 61.4 %

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 Core2 Duo E4400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 129.6 FPS 95.7 FPS
High settings 207.4 FPS 153.0 FPS
Medium settings 259.3 FPS 191.3 FPS
Low settings 324.1 FPS 239.1 FPS
Difference 0 % 26.2 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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