| Attribute | Radeon HD 9970 × | Radeon HD 5950 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2009 |
| GPU brand | AMD | ATI |
| GPU name | Hawaii XT | Hemlock |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 1,000 | 725 |
| Is dual GPU | - | + |
| Model | Radeon HD 9970 | Radeon HD 5950 |
| Memory | ||
| Memory (MB) | 4,096 | 2,048 |
| Memory bandwidth (GB/s) | 307 | 256 |
| Memory bus (bit) | 512 | 512 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,000 |
| Effective memory clock speed (MHz) | 5,000 | 4,000 |
| Noise and power | ||
| TDP (W) | 255 | 302 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 64 | 46.4 |
| Render output processors | 64 | 64 |
| Texture mapping units | 256 | 144 |
| Shading units | 4,096 | 2,880 |
| Floating-point performance (GFLOPS) | 8,192 | 4,176 |
| Compute units | 16 | 36 |
| Texture rate (GTexel/s) | 168 | 104.4 |