Compare processors

Intel logo Core i9-9900X
versus
Intel logo Core i5-6400T

Intel Core i9-9900X logo Intel Core i5-6400T logo
General information Core i9-9900X Core i5-6400T
Launched Q4 2018 Q4 2015
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 LGA1151
Series Name Intel Core i9 Intel Core i5
Core Family Name Skylake-X Skylake-S
Clock 3.5 GHz 0 % 2.2 GHz 37.1 %
Turbo Clock 4.5 GHz 0 % 2.8 GHz 37.8 %
Cores 10 0 % 4 60 %
Threads 20 0 % 4 80 %
Thermal Design Power (TDP) 165 W 0 % 35 W 78.8 %
Maximum supported RAM 128 GB 0 % 64 GB 50 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 10 × 32 kB Instruction
10 × 32 kB Data
4 × 32 kB Instruction
4 × 32 kB Data
L2 Cache 10 × 1 MB
4 × 256 kB
L3 Cache 1 × 19.25 MB
1 × 6 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i9-9900X Core i5-6400T
Overall Score 61274 0 % 40790 33.4 %
Future Proof 68 % 0 % 50 % 26.5 %
Benchmark Score 14096 0 % 2768 80.4 %
Single Thread Score 2579.4 0 % 1629.5 36.8 %
Encrypting Data 7930.1 MB/s 0 % 1221.6 MB/s 84.6 %
Compressing Data 315.4 MB/s 0 % 56.9 MB/s 82 %
String objects sorting 41190.4 thousand/s 0 % 7344.5 thousand/s 82.2 %
Prime numbers generation 85.5 millions/s 0 % 23.9 millions/s 72 %
Mathemathic operations (integer) 73567.9 millions/s 0 % 10987.7 millions/s 85.1 %
Mathemathic operations (float) 45310.5 millions/s 0 % 9438.8 millions/s 79.2 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-9900X, Core i5-6400T.

Average frames per second Core i9-9900X Core i5-6400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 136.7 FPS 75.8 FPS
High settings 218.7 FPS 121.3 FPS
Medium settings 273.4 FPS 151.7 FPS
Low settings 341.7 FPS 189.6 FPS
Difference 0 % 44.5 %

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 i9-9900X Core i5-6400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 158.5 FPS 122.4 FPS
High settings 253.6 FPS 195.8 FPS
Medium settings 317.0 FPS 244.8 FPS
Low settings 396.2 FPS 306.0 FPS
Difference 0 % 22.8 %
Configuration Settings
Gaming astronaut image
Video game
Required
Screen resolution Screen resolution image
Required
Screen resolution image
Compare processors
Processor image
Processor Processor image
Selected processors