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Intel logo Core i7-3960X
versus
Intel logo Core i5-660

Intel Core i7-3960X logo Intel Core i5-660 logo
General information Core i7-3960X Core i5-660
Launched Q4 2011 Q4 2009
Used in Desktop Desktop
Factory Intel Intel
Socket LGA2011 LGA1156
Series Name Intel Core i7 Extreme Intel Core i5
Core Family Name Sandy Bridge-E Clarkdale
Clock 3.3 GHz 0 % 3.3 GHz 0 %
Turbo Clock 3.9 GHz 0 % 3.6 GHz 7.7 %
Cores 6 0 % 2 66.7 %
Threads 12 0 % 4 66.7 %
Thermal Design Power (TDP) 130 W 0 % 73 W 43.8 %
Lithography 32 nm 0 % 32 nm 0 %
L1 Cache 6 × 32 kB Instruction
6 × 32 kB Data
2 × 32 kB Instruction
2 × 32 kB Data
L2 Cache 6 × 256 kB
2 × 256 kB
L3 Cache 1 × 15 MB
1 × 4 MB
ECC Supported No No
Multithreading Supported Yes Yes
Performance Core i7-3960X Core i5-660
Overall Score 48276 0 % 35227 27 %
Future Proof 27 % 0 % 15 % 44.4 %
Benchmark Score 5431 0 % 1540 71.6 %
Single Thread Score 1806 0 % 1410.9 21.9 %
Encrypting Data 2547.6 MB/s 27.3 % 3506.1 MB/s 0 %
Compressing Data 137.8 MB/s 0 % 37.2 MB/s 73 %
String objects sorting 21005 thousand/s 0 % 5165.3 thousand/s 75.4 %
Prime numbers generation 41.7 millions/s 0 % 11 millions/s 73.5 %
Mathemathic operations (integer) 33254.6 millions/s 0 % 9353.2 millions/s 71.9 %
Mathemathic operations (float) 12286.3 millions/s 0 % 4002.8 millions/s 67.4 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-3960X, Core i5-660.

Average frames per second Core i7-3960X Core i5-660
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 98.1 FPS 59.3 FPS
High settings 156.9 FPS 94.9 FPS
Medium settings 196.2 FPS 118.7 FPS
Low settings 245.2 FPS 148.3 FPS
Difference 0 % 39.5 %

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 i7-3960X Core i5-660
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 135.7 FPS 112.6 FPS
High settings 217.2 FPS 180.2 FPS
Medium settings 271.5 FPS 225.3 FPS
Low settings 339.3 FPS 281.6 FPS
Difference 0 % 17 %
Configuration Settings
Gaming astronaut image
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Screen resolution Screen resolution image
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