Comparison of Radeon HD 6950M and Radeon HD 8770M [S]ave
| Attribute |  Radeon HD 6950M × |  Radeon HD 8770M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2013 |
| GPU brand | AMD | AMD |
| GPU name | Blackcomb | Mars |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 580 | 775 |
| Turbo clock speed (MHz) | - | 825 |
| Is dual GPU | - | - |
| Model | Radeon HD 6950M | Radeon HD 8770M |
| Memory | ||
| Memory (MB) | 1,024 | 2,048 |
| Memory bandwidth (GB/s) | 115.2 | 72 |
| Memory bus (bit) | 256 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 900 | 1,125 |
| Effective memory clock speed (MHz) | 3,600 | 4,500 |
| Noise and power | ||
| TDP (W) | 50 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 18.56 | 6.6 |
| Render output processors | 32 | 8 |
| Texture mapping units | 48 | 24 |
| Shading units | 960 | 384 |
| Floating-point performance (GFLOPS) | 1,114 | 634 |
| Compute units | 12 | 6 |
| Texture rate (GTexel/s) | 27.84 | 19.8 |
| Benchmarks | ||
| 3DMark 11 Graphics | 13,719 | 12,680 |
| 3DMark Vantage Graphics | 9,694 | 7,078 |
| 3DMark06 | 2,452 | 1,934 |
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