Comparison of Radeon HD 6870M and Mobility Radeon HD 5830 [S]ave
| Attribute |  Radeon HD 6870M × |  Mobility Radeon HD 5830 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2010 |
| GPU brand | AMD | ATI |
| GPU name | Granville | Broadway |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 675 | 500 |
| Is dual GPU | - | - |
| Model | Radeon HD 6870M | Mobility Radeon HD 5830 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 64 | 25.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR3 |
| Memory clock speed (MHz) | 1,000 | 800 |
| Effective memory clock speed (MHz) | 4,000 | 1,600 |
| Noise and power | ||
| TDP (W) | 50 | 24 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 10.8 | 8 |
| Render output processors | 16 | 16 |
| Texture mapping units | 40 | 40 |
| Shading units | 800 | 800 |
| Floating-point performance (GFLOPS) | 1,080 | 800 |
| Compute units | 10 | 10 |
| Texture rate (GTexel/s) | 27 | 20 |
| Benchmarks | ||
| 3DMark 11 Graphics | 14,396 | 8,050 |
| 3DMark Vantage Graphics | - | 4242.5 |
| 3DMark06 | 14,396 | 8,050 |
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