Comparison of Mobility Radeon HD 4870 and ATI FirePro V8700 [S]ave
| Attribute |  ATI FirePro V8700 × |  Mobility Radeon HD 4870 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2009 |
| Reference card | - | ATi Mobility Radeon HD 4870 550 MHz 512 MB |
| GPU brand | ATI | ATI |
| GPU name | RV770 | M98 |
| Market | - | Laptop |
| Clock speed (MHz) | 750 | 550 |
| Is dual GPU | - | - |
| Model | ATI FirePro V8700 | Mobility Radeon HD 4870 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 108.8 | 89.6 |
| Memory bus (bit) | 256 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 850 | 700 |
| Effective memory clock speed (MHz) | 3,400 | 2,800 |
| Noise and power | ||
| TDP (W) | 151 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 12 | 8.8 |
| Render output processors | 16 | 16 |
| Texture mapping units | 40 | 40 |
| Shading units | 800 | 800 |
| Floating-point performance (GFLOPS) | 1,200 | 880 |
| Compute units | 10 | 10 |
| Texture rate (GTexel/s) | 30 | 22 |
| Benchmarks | ||
| PassMark | - | 702 |
| Cloud Gate Factor | - | 11.67 |
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