Radeon HD 6990
Radeon HD 6770
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| General information | Radeon HD 6990 | Radeon HD 6770 |
|---|---|---|
| Launched | Q1 2011 | Q2 2011 |
| Used in | Desktop | Desktop |
| Factory | AMD | AMD |
| Motherboard Bus | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Memory | 2048 MB 0 % | 1024 MB 50 % |
| Core Clock | 830 MHz 7.8 % | 900 MHz 0 % |
| Effective Clock | 1250 MHz 0 % | 1250 MHz 0 % |
| DirectX | DirectX 11 | DirectX 11 |
| OpenGL | OpenGL 4.4 | OpenGL 4.4 |
| Thermal Design Power (TDP) | 375 W 0 % | 108 W 71.2 % |
| Length | 317 mm 0 % | 290 mm 8.5 % |
| Cooling Fans | 1 50 % | 2 0 % |
| Case Slots | 2 0 % | 2 0 % |
| SLI | 2-way 0 % | 2-way 0 % |
| Performance | Radeon HD 6990 | Radeon HD 6770 |
| Overall Score | 27904 0 % | 17959 35.6 % |
| Future Proof | 11 % 15.4 % | 13 % 0 % |
| Benchmark Score | 7786 0 % | 3225 58.6 % |
| 2D Benchmark Score | 631.9 0 % | 310.8 50.8 % |
| Average DirectX performance | 39.9 FPS 0 % | 13 FPS 67.4 % |
| DirectX 9 performance | 119.3 FPS 0 % | 35.1 FPS 70.6 % |
| DirectX 10 performance | 19.1 FPS 0 % | 6 FPS 68.3 % |
| DirectX 11 performance | 21.1 FPS 0 % | 10.9 FPS 48.3 % |
| DirectX 12 performance | 0 FPS NaN % | 0 FPS NaN % |
| Graphic card computing | 1159.3 operations/s 0 % | 624.6 operations/s 46.1 % |
Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Radeon HD 6990, Radeon HD 6770.
| Average frames per second | Radeon HD 6990 | Radeon HD 6770 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 55.1 FPS | 29.9 FPS |
| High settings | 99.2 FPS | 53.8 FPS |
| Medium settings | 119.0 FPS | 64.6 FPS |
| Low settings | 166.7 FPS | 90.4 FPS |
| Difference | 0 % | 45.8 % |
Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game Grand Theft Auto V for Radeon HD 6990, Radeon HD 6770.
| Grand Theft Auto V | Radeon HD 6990 | Radeon HD 6770 |
|---|---|---|
| Screen resolution: 1920 × 1080 pixels Change | ||
| Ultra settings | 45.6 FPS | 28.5 FPS |
| High settings | 82.1 FPS | 51.3 FPS |
| Medium settings | 98.6 FPS | 61.6 FPS |
| Low settings | 138.0 FPS | 86.2 FPS |
| Difference | 0 % | 37.5 % |
