Comparison of NVIDIA Quadro 4000 Mac Edition and Radeon E6465 [S]ave
| Attribute |  NVIDIA Quadro 4000 Mac Edition × |  Radeon E6465 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2015 |
| GPU brand | Nvidia | AMD |
| GPU name | GF100 | Caicos |
| Market | - | Laptop |
| Clock speed (MHz) | 475 | 600 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro 4000 Mac Edition | Radeon E6465 |
| Memory | ||
| Memory (MB) | 1,792 | 2,048 |
| Memory bandwidth (GB/s) | 89.9 | 25.6 |
| Memory bus (bit) | 256 | 64 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 702 | 800 |
| Effective memory clock speed (MHz) | 2,808 | 3,200 |
| Noise and power | ||
| TDP (W) | 142 | 25 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 7.6 | 2.4 |
| Render output processors | 32 | 4 |
| Texture mapping units | 32 | 8 |
| Shading units | 256 | 160 |
| Floating-point performance (GFLOPS) | 486 | 192 |
| Compute units | - | 2 |
| Texture rate (GTexel/s) | 15.2 | 4.8 |
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