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Intel logo Core i7-7820X
versus
Intel logo Core i7-9700K

Intel Core i7-7820X logo Intel Core i7-9700K logo
General information Core i7-7820X Core i7-9700K
Launched Q2 2017 Q4 2018
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 FCLGA1151-2
Series Name Intel Core i7 Intel Core i7
Core Family Name Skylake-X Coffee Lake Refresh
Clock 3.6 GHz 0 % 3.6 GHz 0 %
Turbo Clock 4.3 GHz 12.2 % 4.9 GHz 0 %
Cores 8 0 % 8 0 %
Threads 16 0 % 8 50 %
Thermal Design Power (TDP) 140 W 0 % 95 W 32.1 %
Maximum supported RAM 128 GB 0 % 128 GB 0 %
Lithography 14 nm 0 % 14 nm 0 %
L1 Cache 8 × 32 kB Instruction
8 × 32 kB Data
8 × 32 kB Instruction
8 × 32 kB Data
L2 Cache 8 × 1 MB
8 × 256 kB
L3 Cache 1 × 11 MB
8 × 1.5 MB
ECC Supported No No
Multithreading Supported Yes No
Performance Core i7-7820X Core i7-9700K
Overall Score 57742 0 % 55308 4.2 %
Future Proof 59 % 13.2 % 68 % 0 %
Benchmark Score 11116 0 % 9357 15.8 %
Single Thread Score 2518.5 12 % 2862.6 0 %
Encrypting Data 5977 MB/s 0 % 4561 MB/s 23.7 %
Compressing Data 249.3 MB/s 0 % 203.4 MB/s 18.4 %
String objects sorting 32352.8 thousand/s 0 % 26178.3 thousand/s 19.1 %
Prime numbers generation 60.6 millions/s 0 % 52.3 millions/s 13.7 %
Mathemathic operations (integer) 56918 millions/s 0 % 41474.4 millions/s 27.1 %
Mathemathic operations (float) 35656.7 millions/s 0 % 35258.8 millions/s 1.1 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-7820X, Core i7-9700K.

Average frames per second Core i7-7820X Core i7-9700K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 126.2 FPS 119.0 FPS
High settings 202.0 FPS 190.4 FPS
Medium settings 252.4 FPS 238.0 FPS
Low settings 315.5 FPS 297.5 FPS
Difference 0 % 5.7 %

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 i7-7820X Core i7-9700K
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 152.3 FPS 148.0 FPS
High settings 243.7 FPS 236.9 FPS
Medium settings 304.6 FPS 296.1 FPS
Low settings 380.8 FPS 370.1 FPS
Difference 0 % 2.8 %
Configuration Settings
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Video game
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Screen resolution Screen resolution image
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