Comparison of NVIDIA Quadro FX 580 and Radeon HD 3650 [S]ave
| Attribute |  NVIDIA Quadro FX 580 × |  Radeon HD 3650 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2009 |
| Reference card | - | ATi Radeon HD 3650 725 MHz 256 MB |
| GPU brand | Nvidia | ATI |
| GPU name | G96C | RV635 |
| Market | - | Desktop |
| Clock speed (MHz) | 450 | 725 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro FX 580 | Radeon HD 3650 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 25.6 | 25.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR3 | DDR2 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | 40 | 65 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.6 | 2.9 |
| Render output processors | 8 | 4 |
| Texture mapping units | 16 | 8 |
| Shading units | 32 | 120 |
| Floating-point performance (GFLOPS) | 72 | 174 |
| Compute units | - | 3 |
| Texture rate (GTexel/s) | 7.2 | 5.8 |
| Benchmarks | ||
| T-Rex (GFXBench 3.0) | 2496.19 | 2,164 |
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