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Intel logo Core i9-10900X
versus
Intel logo Core i5-8400

Intel Core i9-10900X logo Intel Core i5-8400 logo
General information Core i9-10900X Core i5-8400
Launched Q4 2019 Q4 2017
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 FCLGA1151-2
Series Name Intel Core i9 Intel Core i5
Core Family Name Cascade Lake-X Coffee Lake
Clock 3.7 GHz 0 % 2.8 GHz 24.3 %
Turbo Clock 4.7 GHz 0 % 4 GHz 14.9 %
Cores 10 0 % 6 40 %
Threads 20 0 % 6 70 %
Thermal Design Power (TDP) 165 W 0 % 65 W 60.6 %
Maximum supported RAM 256 GB 0 % 128 GB 50 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 10 × 32 kB Instruction
10 × 32 kB Data
6 × 32 kB Instruction
6 × 32 kB Data
L2 Cache 10 × 1 MB
6 × 256 kB
L3 Cache 1 × 19.25 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i9-10900X Core i5-8400
Overall Score 61768 0 % 49426 20 %
Future Proof 73 % 0 % 62 % 15.1 %
Benchmark Score 14556 0 % 5968 59 %
Single Thread Score 2658.9 0 % 2394.9 9.9 %
Encrypting Data 8146.1 MB/s 0 % 2765.7 MB/s 66 %
Compressing Data 331.9 MB/s 0 % 127 MB/s 61.7 %
String objects sorting 43098.9 thousand/s 0 % 16127.7 thousand/s 62.6 %
Prime numbers generation 84.9 millions/s 0 % 36.9 millions/s 56.6 %
Mathemathic operations (integer) 77760.1 millions/s 0 % 25532.9 millions/s 67.2 %
Mathemathic operations (float) 48142.5 millions/s 0 % 22161.2 millions/s 54 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-10900X, Core i5-8400.

Average frames per second Core i9-10900X Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 138.2 FPS 101.5 FPS
High settings 221.1 FPS 162.5 FPS
Medium settings 276.3 FPS 203.1 FPS
Low settings 345.4 FPS 253.8 FPS
Difference 0 % 26.5 %

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 i9-10900X Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 159.3 FPS 137.6 FPS
High settings 254.9 FPS 220.2 FPS
Medium settings 318.6 FPS 275.2 FPS
Low settings 398.3 FPS 344.1 FPS
Difference 0 % 13.6 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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