Comparison of Radeon HD 6870M and ATI FirePro M7740 [S]ave
| Attribute |  Radeon HD 6870M × |  ATI FirePro M7740 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2009 |
| GPU brand | AMD | ATI |
| GPU name | Granville | M97 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 675 | 650 |
| Is dual GPU | - | - |
| Model | Radeon HD 6870M | ATI FirePro M7740 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 64 | 54.1 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,000 | 846 |
| Effective memory clock speed (MHz) | 4,000 | 3,384 |
| Noise and power | ||
| TDP (W) | 50 | 60 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 10.8 | 10.4 |
| Render output processors | 16 | 16 |
| Texture mapping units | 40 | 32 |
| Shading units | 800 | 640 |
| Floating-point performance (GFLOPS) | 1,080 | 832 |
| Compute units | 10 | 8 |
| Texture rate (GTexel/s) | 27 | 20.8 |
| Benchmarks | ||
| 3DMark 11 Graphics | 14,396 | 12109.5 |
| 3DMark Vantage Graphics | - | 5,896 |
| 3DMark06 | 14,396 | 12109.5 |
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