GeForce 840M
GeForce GT 645M
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| General information | GeForce 840M | GeForce GT 645M |
|---|---|---|
| Launched | Q2 2014 | Q1 2013 |
| Used in | Mobile | Mobile |
| Factory | NVIDIA | NVIDIA |
| Motherboard Bus | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Memory | 2048 MB 0 % | 2048 MB 0 % |
| Core Clock | 1029 MHz 0 % | 710 MHz 31 % |
| DirectX | DirectX 11.2 | DirectX 11 |
| OpenGL | OpenGL 4.5 | OpenGL 4.5 |
| Thermal Design Power (TDP) | 30 W 6.3 % | 32 W 0 % |
| Performance | GeForce 840M | GeForce GT 645M |
| Overall Score | 16766 0 % | 15492 7.6 % |
| Future Proof | 33 % 0 % | 25 % 24.2 % |
| Benchmark Score | 2811 0 % | 2400 14.6 % |
| 2D Benchmark Score | 150 6.1 % | 159.8 0 % |
| Average DirectX performance | 8.5 FPS 0 % | 7.3 FPS 14.3 % |
| DirectX 9 performance | 17.9 FPS 0 % | 14 FPS 21.6 % |
| DirectX 10 performance | 4 FPS 0 % | 3 FPS 25.7 % |
| DirectX 11 performance | 6 FPS 14.9 % | 7 FPS 0 % |
| DirectX 12 performance | 6 FPS 0 % | 5 FPS 16.5 % |
| Graphic card computing | 618.6 operations/s 0 % | 469.6 operations/s 24.1 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for GeForce 840M, GeForce GT 645M.
| Average frames per second | GeForce 840M | GeForce GT 645M |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 27.0 FPS | 24.2 FPS |
| High settings | 48.7 FPS | 43.5 FPS |
| Medium settings | 58.4 FPS | 52.2 FPS |
| Low settings | 81.8 FPS | 73.0 FPS |
| Difference | 0 % | 10.7 % |
Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game Grand Theft Auto V for GeForce 840M, GeForce GT 645M.
| Grand Theft Auto V | GeForce 840M | GeForce GT 645M |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 26.4 FPS | 24.2 FPS |
| High settings | 47.5 FPS | 43.6 FPS |
| Medium settings | 57.0 FPS | 52.3 FPS |
| Low settings | 79.8 FPS | 73.3 FPS |
| Difference | 0 % | 8.2 % |
