Comparison of NVIDIA Quadro FX 3800 and NVIDIA Quadro FX 1800 [S]ave
| Attribute |  NVIDIA Quadro FX 3800 × |  NVIDIA Quadro FX 1800 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2009 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GT200B | G94 |
| Clock speed (MHz) | 600 | 550 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro FX 3800 | NVIDIA Quadro FX 1800 |
| Memory | ||
| Memory (MB) | 1,024 | 768 |
| Memory bandwidth (GB/s) | 51.2 | 38.4 |
| Memory bus (bit) | 256 | 192 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | 108 | 59 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 9.6 | 6.6 |
| Render output processors | 16 | 12 |
| Texture mapping units | 64 | 32 |
| Shading units | 192 | 64 |
| Floating-point performance (GFLOPS) | 462 | 176 |
| Texture rate (GTexel/s) | 38.4 | 17.6 |
| Benchmarks | ||
| T-Rex (GFXBench 3.0) | 3351.1 | 3353.3 |
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