Comparison of Radeon HD 9970 and Radeon Sky 900 [S]ave
| Attribute |  Radeon Sky 900 × |  Radeon HD 9970 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Tahiti | Hawaii XT |
| Market | - | Desktop |
| Clock speed (MHz) | 825 | 1,000 |
| Turbo clock speed (MHz) | 950 | - |
| Is dual GPU | + | - |
| Model | Radeon Sky 900 | Radeon HD 9970 |
| Memory | ||
| Memory (MB) | 6,144 | 4,096 |
| Memory bandwidth (GB/s) | 480 | 307 |
| Memory bus (bit) | 768 | 512 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,250 |
| Effective memory clock speed (MHz) | 5,000 | 5,000 |
| Noise and power | ||
| TDP (W) | 300 | 255 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 60.8 | 64 |
| Render output processors | 64 | 64 |
| Texture mapping units | 224 | 256 |
| Shading units | 3,584 | 4,096 |
| Floating-point performance (GFLOPS) | 6,810 | 8,192 |
| Compute units | 56 | 16 |
| Texture rate (GTexel/s) | 212.8 | 168 |
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