Comparison of Radeon HD 8770 and Radeon RX 455 [S]ave
| Attribute |  Radeon RX 455 × |  Radeon HD 8770 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2016 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Tobago | Bonaire XT |
| Market | - | Desktop |
| Clock speed (MHz) | 1,050 | 1,050 |
| Is dual GPU | - | - |
| Model | Radeon RX 455 | Radeon HD 8770 |
| Memory | ||
| Memory (MB) | 2,048 | 1,024 |
| Memory bandwidth (GB/s) | 104 | 96 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,625 | 1,500 |
| Effective memory clock speed (MHz) | 6,500 | 6,000 |
| Noise and power | ||
| TDP (W) | 100 | 85 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 16.8 | 16.8 |
| Render output processors | 16 | 16 |
| Texture mapping units | 48 | 56 |
| Shading units | 768 | 896 |
| Floating-point performance (GFLOPS) | 1,613 | 1,882 |
| Compute units | 12 | 14 |
| Texture rate (GTexel/s) | 50.4 | 58.8 |
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