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Intel logo Core i9-9820X
versus
Intel logo Core i5-8400

Intel Core i9-9820X logo Intel Core i5-8400 logo
General information Core i9-9820X Core i5-8400
Launched Q4 2018 Q4 2017
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 FCLGA1151-2
Series Name Intel Core i9 Intel Core i5
Core Family Name Skylake-X Coffee Lake
Clock 3.3 GHz 0 % 2.8 GHz 15.2 %
Turbo Clock 4.2 GHz 0 % 4 GHz 4.8 %
Cores 10 0 % 6 40 %
Threads 20 0 % 6 70 %
Thermal Design Power (TDP) 165 W 0 % 65 W 60.6 %
Maximum supported RAM 128 GB 0 % 128 GB 0 %
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 × 16.5 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i9-9820X Core i5-8400
Overall Score 59999 0 % 49426 17.6 %
Future Proof 68 % 0 % 62 % 8.8 %
Benchmark Score 12960 0 % 5968 54 %
Single Thread Score 2450.6 0 % 2397.3 2.2 %
Encrypting Data 7523.4 MB/s 0 % 2785.2 MB/s 63 %
Compressing Data 302.6 MB/s 0 % 127.3 MB/s 57.9 %
String objects sorting 38217.3 thousand/s 0 % 16273.1 thousand/s 57.4 %
Prime numbers generation 74.9 millions/s 0 % 36.8 millions/s 50.9 %
Mathemathic operations (integer) 70267.9 millions/s 0 % 25686 millions/s 63.4 %
Mathemathic operations (float) 43927.1 millions/s 0 % 21874.8 millions/s 50.2 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-9820X, Core i5-8400.

Average frames per second Core i9-9820X Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 132.9 FPS 101.5 FPS
High settings 212.7 FPS 162.5 FPS
Medium settings 265.8 FPS 203.1 FPS
Low settings 332.3 FPS 253.8 FPS
Difference 0 % 23.6 %

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 i9-9820X Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 156.3 FPS 137.6 FPS
High settings 250.1 FPS 220.2 FPS
Medium settings 312.6 FPS 275.3 FPS
Low settings 390.7 FPS 344.1 FPS
Difference 0 % 11.9 %
Configuration Settings
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Screen resolution Screen resolution image
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