Comparison of Radeon R9 290X2 and Radeon Sky 900 [S]ave
| Attribute |  Radeon R9 290X2 × |  Radeon Sky 900 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Hawaii | Tahiti |
| Market | Desktop | - |
| Clock speed (MHz) | 1,000 | 825 |
| Turbo clock speed (MHz) | - | 950 |
| Is dual GPU | + | + |
| Model | Radeon R9 290X2 | Radeon Sky 900 |
| Memory | ||
| Memory (MB) | 8,192 | 6,144 |
| Memory bandwidth (GB/s) | - | 480 |
| Memory bus (bit) | 24 | 768 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,350 | 1,250 |
| Effective memory clock speed (MHz) | 5,400 | 5,000 |
| Noise and power | ||
| TDP (W) | 580 | 300 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 128 | 60.8 |
| Render output processors | 128 | 64 |
| Texture mapping units | 352 | 224 |
| Shading units | 5,632 | 3,584 |
| Floating-point performance (GFLOPS) | 11,264 | 6,810 |
| Compute units | 88 | 56 |
| Texture rate (GTexel/s) | 352 | 212.8 |
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