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Intel logo Core i9-9940X
versus
Intel logo Core i5-12400

Intel Core i9-9940X logo Intel Core i5-12400 logo
General information Core i9-9940X Core i5-12400
Launched Q4 2018 Q1 2022
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 LGA1700
Series Name Intel Core i9 Intel Core i5
Core Family Name Skylake-X Alder Lake
Clock 3.3 GHz 0 % 2.5 GHz 24.2 %
Turbo Clock 4.5 GHz 0 % 4.4 GHz 2.2 %
Cores 14 0 % 6 57.1 %
Threads 28 0 % 12 57.1 %
Thermal Design Power (TDP) 165 W 0 % 65 W 60.6 %
Maximum supported RAM 128 GB 0 % 128 GB 0 %
Lithography 14 nm 0 % 10 nm 28.6 %
L1 Cache 14 × 32 kB Instruction
14 × 32 kB Data
6 × 32 kB Instruction
6 × 48 kB Data
L2 Cache 14 × 1 MB
6 × 1.25 MB
L3 Cache 1 × 19.25 MB
1 × 18 MB
ECC Supported No No
Multithreading Supported Yes Yes
Performance Core i9-9940X Core i5-12400
Overall Score 65263 0 % 59524 8.8 %
Future Proof 68 % 20.9 % 86 % 0 %
Benchmark Score 18141 0 % 12553 30.8 %
Single Thread Score 2655.7 24.9 % 3536.1 0 %
Encrypting Data 10636.6 MB/s 9.9 % 11805.7 MB/s 0 %
Compressing Data 460.4 MB/s 0 % 228.2 MB/s 50.4 %
String objects sorting 59040.6 thousand/s 0 % 22756.2 thousand/s 61.5 %
Prime numbers generation 97.9 millions/s 0 % 73.1 millions/s 25.3 %
Mathemathic operations (integer) 104064 millions/s 0 % 60888.2 millions/s 41.5 %
Mathemathic operations (float) 65424.7 millions/s 0 % 46947.7 millions/s 28.2 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-9940X, Core i5-12400.

Average frames per second Core i9-9940X Core i5-12400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 148.6 FPS 131.5 FPS
High settings 237.7 FPS 210.4 FPS
Medium settings 297.2 FPS 263.0 FPS
Low settings 371.5 FPS 328.7 FPS
Difference 0 % 11.5 %

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 i9-9940X Core i5-12400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 165.5 FPS 155.4 FPS
High settings 264.7 FPS 248.6 FPS
Medium settings 330.9 FPS 310.7 FPS
Low settings 413.7 FPS 388.4 FPS
Difference 0 % 6.1 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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