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Intel logo Core i7-3960X
versus
Intel logo Core i5-8400T

Intel Core i7-3960X logo Intel Core i5-8400T logo
General information Core i7-3960X Core i5-8400T
Launched Q4 2011 Q2 2018
Used in Desktop Desktop
Factory Intel Intel
Socket LGA2011 FCLGA1151-2
Series Name Intel Core i7 Extreme Intel Core i5
Core Family Name Sandy Bridge-E Coffee Lake
Clock 3.3 GHz 0 % 1.7 GHz 48.5 %
Turbo Clock 3.9 GHz 0 % 3.3 GHz 15.4 %
Cores 6 0 % 6 0 %
Threads 12 0 % 6 50 %
Thermal Design Power (TDP) 130 W 0 % 35 W 73.1 %
Lithography 32 nm 0 % 14 nm 56.3 %
L1 Cache 6 × 32 kB Instruction
6 × 32 kB Data
6 × 32 kB Instruction
6 × 32 kB Data
L2 Cache 6 × 256 kB
6 × 256 kB
L3 Cache 1 × 15 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i7-3960X Core i5-8400T
Overall Score 48277 0 % 46822 3 %
Future Proof 27 % 58.5 % 65 % 0 %
Benchmark Score 5432 0 % 4806 11.5 %
Single Thread Score 1795.2 6.8 % 1925.8 0 %
Encrypting Data 2573.3 MB/s 0 % 2276.5 MB/s 11.5 %
Compressing Data 137 MB/s 0 % 98.3 MB/s 28.2 %
String objects sorting 21194 thousand/s 0 % 12725.1 thousand/s 40 %
Prime numbers generation 42.1 millions/s 0 % 32 millions/s 23.9 %
Mathemathic operations (integer) 33155.8 millions/s 0 % 20254.7 millions/s 38.9 %
Mathemathic operations (float) 12372.2 millions/s 29.3 % 17500 millions/s 0 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-3960X, Core i5-8400T.

Average frames per second Core i7-3960X Core i5-8400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 98.1 FPS 93.7 FPS
High settings 156.9 FPS 149.9 FPS
Medium settings 196.2 FPS 187.4 FPS
Low settings 245.2 FPS 234.3 FPS
Difference 0 % 4.5 %

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 i5-8400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 135.8 FPS 133.2 FPS
High settings 217.3 FPS 213.1 FPS
Medium settings 271.6 FPS 266.4 FPS
Low settings 339.5 FPS 333.0 FPS
Difference 0 % 1.9 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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