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Intel logo Core i5-8400
versus
Intel logo Core i5-6400T

Intel Core i5-8400 logo Intel Core i5-6400T logo
General information Core i5-8400 Core i5-6400T
Launched Q4 2017 Q4 2015
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151-2 LGA1151
Series Name Intel Core i5 Intel Core i5
Core Family Name Coffee Lake Skylake-S
Clock 2.8 GHz 0 % 2.2 GHz 21.4 %
Turbo Clock 4 GHz 0 % 2.8 GHz 30 %
Cores 6 0 % 4 33.3 %
Threads 6 0 % 4 33.3 %
Thermal Design Power (TDP) 65 W 0 % 35 W 46.2 %
Maximum supported RAM 128 GB 0 % 64 GB 50 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 6 × 32 kB Instruction
6 × 32 kB Data
4 × 32 kB Instruction
4 × 32 kB Data
L2 Cache 6 × 256 kB
4 × 256 kB
L3 Cache 1 × 9 MB
1 × 6 MB
ECC Supported No No
Multithreading Supported No No
Integrated GPU Intel UHD Graphics 630 Intel HD Graphics 530
Performance Core i5-8400 Core i5-6400T
Overall Score 49425 0 % 40790 17.5 %
Future Proof 62 % 0 % 50 % 19.4 %
Benchmark Score 5967 0 % 2768 53.6 %
Single Thread Score 2399.7 0 % 1647.6 31.3 %
Encrypting Data 2793.6 MB/s 0 % 1226.5 MB/s 56.1 %
Compressing Data 126.9 MB/s 0 % 56.1 MB/s 55.8 %
String objects sorting 16037.9 thousand/s 0 % 7344.5 thousand/s 54.2 %
Prime numbers generation 36.7 millions/s 0 % 24.1 millions/s 34.4 %
Mathemathic operations (integer) 25706.7 millions/s 0 % 11009.8 millions/s 57.2 %
Mathemathic operations (float) 21805.7 millions/s 0 % 9354.1 millions/s 57.1 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-8400, Core i5-6400T.

Average frames per second Core i5-8400 Core i5-6400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 101.5 FPS 75.8 FPS
High settings 162.3 FPS 121.3 FPS
Medium settings 202.9 FPS 151.7 FPS
Low settings 253.7 FPS 189.6 FPS
Difference 0 % 25.3 %

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 i5-8400 Core i5-6400T
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 137.5 FPS 122.4 FPS
High settings 220.1 FPS 195.8 FPS
Medium settings 275.1 FPS 244.8 FPS
Low settings 343.9 FPS 306.0 FPS
Difference 0 % 11 %
Configuration Settings
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Screen resolution Screen resolution image
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