Comparison of Radeon HD 5770 Mac and Radeon HD 8770 [S]ave
| Attribute |  Radeon HD 8770 × |  Radeon HD 5770 Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2010 |
| GPU brand | AMD | ATI |
| GPU name | Bonaire XT | Juniper |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 1,050 | 850 |
| Is dual GPU | - | - |
| Model | Radeon HD 8770 | Radeon HD 5770 Mac |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 96 | 76.5 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,500 | 1,195 |
| Effective memory clock speed (MHz) | 6,000 | 4,780 |
| Noise and power | ||
| TDP (W) | 85 | 108 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 16.8 | 13.6 |
| Render output processors | 16 | 16 |
| Texture mapping units | 56 | 40 |
| Shading units | 896 | 800 |
| Floating-point performance (GFLOPS) | 1,882 | 1,360 |
| Compute units | 14 | 10 |
| Texture rate (GTexel/s) | 58.8 | 34 |
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