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Intel logo Core i5-9400
versus
Intel logo Core i7-6700K

Intel Core i5-9400 logo Intel Core i7-6700K logo
General information Core i5-9400 Core i7-6700K
Launched Q1 2019 Q3 2015
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151-2 LGA1151
Series Name Intel Core i5 Intel Core i7
Core Family Name Coffee Lake Refresh Skylake-S
Clock 2.9 GHz 27.5 % 4 GHz 0 %
Turbo Clock 4.1 GHz 2.4 % 4.2 GHz 0 %
Cores 6 0 % 4 33.3 %
Threads 6 25 % 8 0 %
Thermal Design Power (TDP) 65 W 31.6 % 95 W 0 %
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 × 8 MB
ECC Supported No No
Multithreading Supported No Yes
Integrated GPU Intel UHD Graphics 630 Intel HD Graphics 530
Performance Core i5-9400 Core i7-6700K
Overall Score 49738 0 % 49142 1.2 %
Future Proof 69 % 0 % 49 % 29 %
Benchmark Score 6120 0 % 5832 4.7 %
Single Thread Score 2453.2 1.8 % 2497.5 0 %
Encrypting Data 2830.9 MB/s 8.3 % 3086.5 MB/s 0 %
Compressing Data 129.1 MB/s 0 % 123.1 MB/s 4.7 %
String objects sorting 16775.1 thousand/s 0 % 15996.2 thousand/s 4.6 %
Prime numbers generation 35.9 millions/s 0 % 30.2 millions/s 15.7 %
Mathemathic operations (integer) 26615.1 millions/s 6 % 28319.9 millions/s 0 %
Mathemathic operations (float) 22536.4 millions/s 0 % 17230.5 millions/s 23.5 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i5-9400, Core i7-6700K.

Average frames per second Core i5-9400 Core i7-6700K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 102.0 FPS 100.2 FPS
High settings 163.2 FPS 160.4 FPS
Medium settings 204.0 FPS 200.5 FPS
Low settings 255.1 FPS 250.6 FPS
Difference 0 % 1.8 %

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 i5-9400 Core i7-6700K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 137.9 FPS 136.9 FPS
High settings 220.7 FPS 219.0 FPS
Medium settings 275.9 FPS 273.8 FPS
Low settings 344.9 FPS 342.2 FPS
Difference 0 % 0.8 %
Configuration Settings
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Screen resolution Screen resolution image
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