| Attribute | Radeon HD 4770 × | Radeon HD 4810 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2009 |
| GPU brand | ATI | ATI |
| GPU name | RV740 | RV770 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 750 | 625 |
| Is dual GPU | - | - |
| Model | Radeon HD 4770 | Radeon HD 4810 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 51.2 | 57.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 800 | 900 |
| Effective memory clock speed (MHz) | 3,200 | 3,600 |
| Noise and power | ||
| TDP (W) | 80 | 95 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 12 | 5 |
| Render output processors | 16 | 8 |
| Texture mapping units | 32 | 32 |
| Shading units | 640 | 640 |
| Floating-point performance (GFLOPS) | 960 | 800 |
| Compute units | 8 | 8 |
| Texture rate (GTexel/s) | 24 | 20 |
| Benchmarks | ||
| PassMark | 1,044 | 788 |
| Cloud Gate Factor | 12.11 | 12.73 |