Radeon HD 7770
GeForce GT 640
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| General information | Radeon HD 7770 | GeForce GT 640 |
|---|---|---|
| Launched | Q2 2012 | Q4 2011 |
| Used in | Desktop | Desktop |
| Factory | AMD | NVIDIA |
| Motherboard Bus | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Memory | 2048 MB 50 % | 4096 MB 0 % |
| Core Clock | 1020 MHz 0 % | 900 MHz 11.8 % |
| Effective Clock | 5000 MHz 0.2 % | 5010 MHz 0 % |
| DirectX | DirectX 11.2 | DirectX 11 |
| OpenGL | OpenGL 4.2 | OpenGL 4.5 |
| Thermal Design Power (TDP) | 80 W 0 % | 65 W 18.8 % |
| Length | 236 mm 0 % | 210 mm 11 % |
| Cooling Fans | 2 0 % | 2 0 % |
| Case Slots | 2 0 % | 2 0 % |
| Performance | Radeon HD 7770 | GeForce GT 640 |
| Overall Score | 23667 0 % | 17438 26.3 % |
| Future Proof | 20 % 0 % | 16 % 20 % |
| Benchmark Score | 5601 0 % | 3041 45.7 % |
| 2D Benchmark Score | 463.3 0 % | 290.4 37.3 % |
| Average DirectX performance | 18.2 FPS 0 % | 10.7 FPS 41.1 % |
| DirectX 9 performance | 40.9 FPS 0 % | 23.8 FPS 41.8 % |
| DirectX 10 performance | 7 FPS 0 % | 4 FPS 42 % |
| DirectX 11 performance | 12.9 FPS 0 % | 10.1 FPS 21.9 % |
| DirectX 12 performance | 12.1 FPS 0 % | 5 FPS 59 % |
| Graphic card computing | 1148.4 operations/s 0 % | 623.2 operations/s 45.7 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Radeon HD 7770, GeForce GT 640.
| Average frames per second | Radeon HD 7770 | GeForce GT 640 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 44.1 FPS | 28.7 FPS |
| High settings | 79.3 FPS | 51.6 FPS |
| Medium settings | 95.2 FPS | 61.9 FPS |
| Low settings | 133.2 FPS | 86.7 FPS |
| Difference | 0 % | 34.9 % |
Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game Grand Theft Auto V for Radeon HD 7770, GeForce GT 640.
| Grand Theft Auto V | Radeon HD 7770 | GeForce GT 640 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 38.4 FPS | 27.6 FPS |
| High settings | 69.0 FPS | 49.7 FPS |
| Medium settings | 82.8 FPS | 59.6 FPS |
| Low settings | 116.0 FPS | 83.5 FPS |
| Difference | 0 % | 28 % |
