Comparison of Mobility Radeon HD 4850 and Dell Quadro FX 3800M [S]ave
| Attribute |  Dell Quadro FX 3800M × |  Mobility Radeon HD 4850 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2009 |
| Reference card | NVIDIA Quadro FX 3800M | - |
| GPU brand | Nvidia | ATI |
| GPU name | G92 | M98 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 675 | 500 |
| Is dual GPU | - | - |
| Model | Dell Quadro FX 3800M | Mobility Radeon HD 4850 |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 64 | 54.4 |
| Memory bus (bit) | 256 | 256 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 1,000 | 850 |
| Effective memory clock speed (MHz) | 2,000 | 1,700 |
| Noise and power | ||
| TDP (W) | 100 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 10.8 | 8 |
| Render output processors | 16 | 16 |
| Texture mapping units | 64 | 40 |
| Shading units | 128 | 800 |
| Floating-point performance (GFLOPS) | 422 | 800 |
| Compute units | - | 10 |
| Texture rate (GTexel/s) | 43.2 | 20 |
| Benchmarks | ||
| PassMark | - | 864 |
| Cloud Gate Factor | - | 12.33 |
| T-Rex (GFXBench 3.0) | 2789.8 | 2486.38 |
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