Compare processors

Intel logo Core i9-7940X
versus
Intel logo Core i5-7640X

Intel Core i9-7940X logo Intel Core i5-7640X logo
General information Core i9-7940X Core i5-7640X
Launched Q3 2017 Q3 2017
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 FCLGA2066
Series Name Intel Core i9 Intel Core i5
Core Family Name Skylake-X Kaby Lake-X
Clock 3.1 GHz 22.5 % 4 GHz 0 %
Turbo Clock 4.3 GHz 0 % 4.2 GHz 2.3 %
Cores 14 0 % 4 71.4 %
Threads 28 0 % 4 85.7 %
Thermal Design Power (TDP) 165 W 0 % 112 W 32.1 %
Maximum supported RAM 128 GB 0 % 64 GB 50 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 14 × 32 kB Instruction
14 × 32 kB Data
4 × 32 kB Instruction
4 × 32 kB Data
L2 Cache 14 × 1 MB
4 × 256 kB
L3 Cache 1 × 19.25 MB
1 × 6 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i9-7940X Core i5-7640X
Overall Score 63774 0 % 45686 28.4 %
Future Proof 60 % 0 % 60 % 0 %
Benchmark Score 16542 0 % 4356 73.7 %
Single Thread Score 2496 0.6 % 2511.7 0 %
Encrypting Data 9559.2 MB/s 0 % 1953.4 MB/s 79.6 %
Compressing Data 416 MB/s 0 % 89.1 MB/s 78.6 %
String objects sorting 53461.3 thousand/s 0 % 11664.7 thousand/s 78.2 %
Prime numbers generation 90.7 millions/s 0 % 32.3 millions/s 64.4 %
Mathemathic operations (integer) 95827.6 millions/s 0 % 18184.4 millions/s 81 %
Mathemathic operations (float) 60330.3 millions/s 0 % 15158.4 millions/s 74.9 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-7940X, Core i5-7640X.

Average frames per second Core i9-7940X Core i5-7640X
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 144.8 FPS 90.8 FPS
High settings 231.7 FPS 145.3 FPS
Medium settings 289.6 FPS 181.7 FPS
Low settings 362.0 FPS 227.1 FPS
Difference 0 % 37.3 %

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 i9-7940X Core i5-7640X
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 164.5 FPS 131.6 FPS
High settings 263.2 FPS 210.6 FPS
Medium settings 329.0 FPS 263.3 FPS
Low settings 411.2 FPS 329.1 FPS
Difference 0 % 20 %
Configuration Settings
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Screen resolution Screen resolution image
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