Core i9-9940X
Core i9-9900KF
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| General information | Core i9-9940X | Core i9-9900KF |
|---|---|---|
| Launched | Q4 2018 | Q2 2019 |
| Used in | Desktop | Desktop |
| Factory | Intel | Intel |
| Socket | FCLGA2066 | FCLGA1151-2 |
| Series Name | Intel Core i9 | Intel Core i9 |
| Core Family Name | Skylake-X | Coffee Lake Refresh |
| Clock | 3.3 GHz 8.3 % | 3.6 GHz 0 % |
| Turbo Clock | 4.5 GHz 10 % | 5 GHz 0 % |
| Cores | 14 0 % | 8 42.9 % |
| Threads | 28 0 % | 16 42.9 % |
| Thermal Design Power (TDP) | 165 W 0 % | 95 W 42.4 % |
| Maximum supported RAM | 128 GB 0 % | 128 GB 0 % |
| Lithography | 14 nm 0 % | 14 nm 0 % |
| L1 Cache |
14 × 32 kB Instruction
14 × 32 kB Data |
8 × 32 kB Instruction
8 × 32 kB Data |
| L2 Cache |
14 × 1 MB
|
8 × 256 kB
|
| L3 Cache |
1 × 19.25 MB
|
8 × 2 MB
|
| ECC Supported | No | No |
| Multithreading Supported | Yes | Yes |
| Performance | Core i9-9940X | Core i9-9900KF |
| Overall Score | 65264 0 % | 58669 10.1 % |
| Future Proof | 68 % 4.2 % | 71 % 0 % |
| Benchmark Score | 18143 0 % | 11847 34.7 % |
| Single Thread Score | 2624.1 11.1 % | 2950.6 0 % |
| Encrypting Data | 10615.4 MB/s 0 % | 6464.3 MB/s 39.1 % |
| Compressing Data | 457.7 MB/s 0 % | 277.6 MB/s 39.4 % |
| String objects sorting | 58334.2 thousand/s 0 % | 36935.1 thousand/s 36.7 % |
| Prime numbers generation | 96.9 millions/s 0 % | 47 millions/s 51.4 % |
| Mathemathic operations (integer) | 105424 millions/s 0 % | 66626.8 millions/s 36.8 % |
| Mathemathic operations (float) | 65229 millions/s 0 % | 41266.4 millions/s 36.7 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Core i9-9940X, Core i9-9900KF.
| Average frames per second | Core i9-9940X | Core i9-9900KF |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 148.5 FPS | 128.9 FPS |
| High settings | 237.6 FPS | 206.3 FPS |
| Medium settings | 297.0 FPS | 257.9 FPS |
| Low settings | 371.3 FPS | 322.3 FPS |
| Difference | 0 % | 13.2 % |
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 i9-9940X | Core i9-9900KF |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 166.0 FPS | 154.3 FPS |
| High settings | 265.5 FPS | 246.8 FPS |
| Medium settings | 331.9 FPS | 308.5 FPS |
| Low settings | 414.9 FPS | 385.7 FPS |
| Difference | 0 % | 7.1 % |
