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Intel logo Core i7-7740X
versus
Intel logo Core i5-9400

Intel Core i7-7740X logo Intel Core i5-9400 logo
General information Core i7-7740X Core i5-9400
Launched Q3 2017 Q1 2019
Used in Desktop Desktop
Factory Intel Intel
Socket FCLGA2066 FCLGA1151-2
Series Name Intel Core i7 Intel Core i5
Core Family Name Kaby Lake-X Coffee Lake Refresh
Clock 4.3 GHz 0 % 2.9 GHz 32.6 %
Turbo Clock 4.5 GHz 0 % 4.1 GHz 8.9 %
Cores 4 33.3 % 6 0 %
Threads 8 0 % 6 25 %
Thermal Design Power (TDP) 112 W 0 % 65 W 42 %
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
Performance Core i7-7740X Core i5-9400
Overall Score 50393 0 % 49738 1.3 %
Future Proof 60 % 13 % 69 % 0 %
Benchmark Score 6449 0 % 6120 5.1 %
Single Thread Score 2749.5 0 % 2453.2 10.8 %
Encrypting Data 3387.1 MB/s 0 % 2830.9 MB/s 16.4 %
Compressing Data 133.9 MB/s 0 % 129.1 MB/s 3.6 %
String objects sorting 17750.8 thousand/s 0 % 16775.1 thousand/s 5.5 %
Prime numbers generation 32 millions/s 10.7 % 35.9 millions/s 0 %
Mathemathic operations (integer) 31343.9 millions/s 0 % 26615.1 millions/s 15.1 %
Mathemathic operations (float) 19559.4 millions/s 13.2 % 22536.4 millions/s 0 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i7-7740X, Core i5-9400.

Average frames per second Core i7-7740X Core i5-9400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 103.9 FPS 102.0 FPS
High settings 166.3 FPS 163.2 FPS
Medium settings 207.8 FPS 204.0 FPS
Low settings 259.8 FPS 255.1 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 i7-7740X Core i5-9400
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 139.1 FPS 137.9 FPS
High settings 222.5 FPS 220.7 FPS
Medium settings 278.1 FPS 275.9 FPS
Low settings 347.7 FPS 344.9 FPS
Difference 0 % 0.8 %
Configuration Settings
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