Compare processors

Intel logo Core i7-8700K
versus
Intel logo Core i5-8400

Intel Core i7-8700K logo Intel Core i5-8400 logo
General information Core i7-8700K Core i5-8400
Launched Q4 2017 Q4 2017
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA1151-2 FCLGA1151-2
Series Name Intel Core i7 Intel Core i5
Core Family Name Coffee Lake Coffee Lake
Clock 3.7 GHz 0 % 2.8 GHz 24.3 %
Turbo Clock 4.7 GHz 0 % 4 GHz 14.9 %
Cores 6 0 % 6 0 %
Threads 12 0 % 6 50 %
Thermal Design Power (TDP) 95 W 0 % 65 W 31.6 %
Maximum supported RAM 128 GB 0 % 128 GB 0 %
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 × 12 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Integrated GPU Intel UHD Graphics 630 Intel UHD Graphics 630
Performance Core i7-8700K Core i5-8400
Overall Score 54642 0 % 49554 9.3 %
Future Proof 62 % 0 % 62 % 0 %
Benchmark Score 8915 0 % 6030 32.4 %
Single Thread Score 2749.4 0 % 2400.7 12.7 %
Encrypting Data 4769.8 MB/s 0 % 2801.9 MB/s 41.3 %
Compressing Data 193.3 MB/s 0 % 126.5 MB/s 34.6 %
String objects sorting 25651.7 thousand/s 0 % 16232.6 thousand/s 36.7 %
Prime numbers generation 38.8 millions/s 0 % 37.3 millions/s 3.9 %
Mathemathic operations (integer) 46220.7 millions/s 0 % 25827.5 millions/s 44.1 %
Mathemathic operations (float) 28516.5 millions/s 0 % 22035 millions/s 22.7 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-8700K, Core i5-8400.

Average frames per second Core i7-8700K Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 116.5 FPS 101.5 FPS
High settings 186.4 FPS 162.4 FPS
Medium settings 233.1 FPS 202.9 FPS
Low settings 291.3 FPS 253.7 FPS
Difference 0 % 12.9 %

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 i7-8700K Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 146.5 FPS 137.6 FPS
High settings 234.5 FPS 220.1 FPS
Medium settings 293.1 FPS 275.2 FPS
Low settings 366.3 FPS 344.0 FPS
Difference 0 % 6.1 %
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