Comparison of ATI FirePro M7820 and Radeon HD 6870M [S]ave
| Attribute |  ATI FirePro M7820 × |  Radeon HD 6870M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2010 | 2011 |
| GPU brand | ATI | AMD |
| GPU name | Broadway | Granville |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 700 | 675 |
| Is dual GPU | - | - |
| Model | ATI FirePro M7820 | Radeon HD 6870M |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 64 | 64 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,000 | 1,000 |
| Effective memory clock speed (MHz) | 4,000 | 4,000 |
| Noise and power | ||
| TDP (W) | 50 | 50 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 11.2 | 10.8 |
| Render output processors | 16 | 16 |
| Texture mapping units | 40 | 40 |
| Shading units | 800 | 800 |
| Floating-point performance (GFLOPS) | 1,120 | 1,080 |
| Compute units | 10 | 10 |
| Texture rate (GTexel/s) | 28 | 27 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 167.43 | - |
| T-Rex (Compubench 1.5) (frames/s) | 0.87 | - |
| Video composition (frames/s) | 21.15 | - |
| 3DMark 11 Graphics | 12531.5 | 14,396 |
| 3DMark06 | 12531.5 | 14,396 |
| Face detection (mPixels/s) | 4.96 | - |
| Bitcoin mining (mHash/s) | 103.9 | - |
| Ocean surface simulation (frames/s) | 600.94 | - |
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