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Intel logo Core i7-7700K
versus
Intel logo Core i5-8400

Intel Core i7-7700K logo Intel Core i5-8400 logo
General information Core i7-7700K Core i5-8400
Launched Q4 2016 Q4 2017
Used in Desktop Desktop
Factory Intel Intel
Socket LGA1151 FCLGA1151-2
Series Name Intel Core i7 Intel Core i5
Core Family Name Kaby Lake-S Coffee Lake
Clock 4.2 GHz 0 % 2.8 GHz 33.3 %
Turbo Clock 4.5 GHz 0 % 4 GHz 11.1 %
Cores 4 33.3 % 6 0 %
Threads 8 0 % 6 25 %
Thermal Design Power (TDP) 95 W 0 % 65 W 31.6 %
Maximum supported RAM 64 GB 50 % 128 GB 0 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 4 × 32 kB Instruction
4 × 32 kB Data
6 × 32 kB Instruction
6 × 32 kB Data
L2 Cache 4 × 256 kB
6 × 256 kB
L3 Cache 1 × 8 MB
1 × 9 MB
ECC Supported No No
Multithreading Supported Yes No
Integrated GPU Intel HD Graphics 630 Intel UHD Graphics 630
Performance Core i7-7700K Core i5-8400
Overall Score 49991 0 % 49434 1.1 %
Future Proof 56 % 9.7 % 62 % 0 %
Benchmark Score 6245 0 % 5972 4.4 %
Single Thread Score 2747.5 0 % 2397.3 12.7 %
Encrypting Data 3305.6 MB/s 0 % 2774.1 MB/s 16.1 %
Compressing Data 133.6 MB/s 0 % 127.9 MB/s 4.3 %
String objects sorting 17323.7 thousand/s 0 % 16316.5 thousand/s 5.8 %
Prime numbers generation 30.7 millions/s 16.3 % 36.7 millions/s 0 %
Mathemathic operations (integer) 30445.4 millions/s 0 % 25797.8 millions/s 15.3 %
Mathemathic operations (float) 18979.9 millions/s 13.1 % 21835.7 millions/s 0 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-7700K, Core i5-8400.

Average frames per second Core i7-7700K Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 103.2 FPS 101.5 FPS
High settings 165.1 FPS 162.4 FPS
Medium settings 206.3 FPS 203.0 FPS
Low settings 257.9 FPS 253.7 FPS
Difference 0 % 1.6 %

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 i7-7700K Core i5-8400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 138.5 FPS 137.5 FPS
High settings 221.6 FPS 220.0 FPS
Medium settings 276.9 FPS 275.0 FPS
Low settings 346.2 FPS 343.7 FPS
Difference 0 % 0.7 %
Configuration Settings
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Screen resolution Screen resolution image
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