Comparison of Radeon E8870 and NVIDIA Quadro K5000 Mac Edition [S]ave
| Attribute |  NVIDIA Quadro K5000 Mac Edition × |  Radeon E8870 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2015 |
| GPU brand | Nvidia | AMD |
| GPU name | GK104 | Saturn |
| Market | - | Laptop |
| Clock speed (MHz) | 706 | 1,000 |
| Is dual GPU | - | - |
| Model | NVIDIA Quadro K5000 Mac Edition | Radeon E8870 |
| Memory | ||
| Memory (MB) | 4,096 | 4,096 |
| Memory bandwidth (GB/s) | 172.8 | 96 |
| Memory bus (bit) | 256 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,350 | 1,500 |
| Effective memory clock speed (MHz) | 5,400 | 6,000 |
| Noise and power | ||
| TDP (W) | 122 | 75 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 22.59 | 16 |
| Render output processors | 32 | 16 |
| Texture mapping units | 128 | 48 |
| Shading units | 1,536 | 768 |
| Floating-point performance (GFLOPS) | 2,169 | 1,536 |
| Compute units | - | 12 |
| Texture rate (GTexel/s) | 90.4 | 48 |
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