Compare processors

Intel logo Core i7-6800K
versus
Intel logo Core i5-9400

Intel Core i7-6800K logo Intel Core i5-9400 logo
General information Core i7-6800K Core i5-9400
Launched Q2 2016 Q1 2019
Used in Desktop Desktop
Factory Intel Intel
Socket LGA2011-v3 FCLGA1151-2
Series Name Intel Core i7 Intel Core i5
Core Family Name Broadwell-E Coffee Lake Refresh
Clock 3.4 GHz 0 % 2.9 GHz 14.7 %
Turbo Clock 3.8 GHz 7.3 % 4.1 GHz 0 %
Cores 6 0 % 6 0 %
Threads 12 0 % 6 50 %
Thermal Design Power (TDP) 140 W 0 % 65 W 53.6 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 6 × 32 kB Instruction
6 × 32 kB Data
6 × 32 kB Instruction
6 × 32 kB Data
L2 Cache 6 × 256 kB
6 × 256 kB
L3 Cache 1 × 15 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i7-6800K Core i5-9400
Overall Score 51365 0 % 49623 3.4 %
Future Proof 53 % 23.2 % 69 % 0 %
Benchmark Score 6961 0 % 6064 12.9 %
Single Thread Score 2281.1 6.3 % 2433.7 0 %
Encrypting Data 2898.4 MB/s 0 % 2810.4 MB/s 3 %
Compressing Data 158.5 MB/s 0 % 130 MB/s 17.9 %
String objects sorting 20850.1 thousand/s 0 % 16573.4 thousand/s 20.5 %
Prime numbers generation 47.8 millions/s 0 % 35.6 millions/s 25.5 %
Mathemathic operations (integer) 37200.8 millions/s 0 % 26403.6 millions/s 29 %
Mathemathic operations (float) 24588.7 millions/s 0 % 22767 millions/s 7.4 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-6800K, Core i5-9400.

Average frames per second Core i7-6800K Core i5-9400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 107.2 FPS 102.1 FPS
High settings 171.5 FPS 163.3 FPS
Medium settings 214.4 FPS 204.1 FPS
Low settings 268.0 FPS 255.1 FPS
Difference 0 % 4.8 %

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 i7-6800K Core i5-9400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 141.0 FPS 137.9 FPS
High settings 225.5 FPS 220.6 FPS
Medium settings 281.9 FPS 275.7 FPS
Low settings 352.4 FPS 344.7 FPS
Difference 0 % 2.2 %
Configuration Settings
Gaming astronaut image
Video game
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Screen resolution Screen resolution image
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