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Intel logo Core i7-8700K
versus
Intel logo Core i5-660

Intel Core i7-8700K logo Intel Core i5-660 logo
General information Core i7-8700K Core i5-660
Launched Q4 2017 Q4 2009
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151-2 LGA1156
Series Name Intel Core i7 Intel Core i5
Core Family Name Coffee Lake Clarkdale
Clock 3.7 GHz 0 % 3.3 GHz 10.8 %
Turbo Clock 4.7 GHz 0 % 3.6 GHz 23.4 %
Cores 6 0 % 2 66.7 %
Threads 12 0 % 4 66.7 %
Thermal Design Power (TDP) 95 W 0 % 73 W 23.2 %
Lithography 14 nm 56.3 % 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 × 12 MB
1 × 4 MB
ECC Supported No No
Multithreading Supported Yes Yes
Integrated GPU Intel UHD Graphics 630 Intel HD Graphics
Performance Core i7-8700K Core i5-660
Overall Score 54642 0 % 35313 35.4 %
Future Proof 62 % 0 % 15 % 75.8 %
Benchmark Score 8915 0 % 1555 82.6 %
Single Thread Score 2719.3 0 % 1408.1 48.2 %
Encrypting Data 4793.9 MB/s 0 % 3314.8 MB/s 30.9 %
Compressing Data 196.4 MB/s 0 % 37.5 MB/s 80.9 %
String objects sorting 25700.9 thousand/s 0 % 5134.1 thousand/s 80 %
Prime numbers generation 39 millions/s 0 % 11 millions/s 71.9 %
Mathemathic operations (integer) 45531.5 millions/s 0 % 9297.6 millions/s 79.6 %
Mathemathic operations (float) 28602.4 millions/s 0 % 3990.9 millions/s 86 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-8700K, Core i5-660.

Average frames per second Core i7-8700K Core i5-660
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 116.5 FPS 59.3 FPS
High settings 186.4 FPS 94.9 FPS
Medium settings 233.1 FPS 118.6 FPS
Low settings 291.3 FPS 148.2 FPS
Difference 0 % 49.1 %

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 i7-8700K Core i5-660
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 146.6 FPS 112.5 FPS
High settings 234.5 FPS 180.0 FPS
Medium settings 293.2 FPS 225.0 FPS
Low settings 366.5 FPS 281.3 FPS
Difference 0 % 23.2 %
Configuration Settings
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