Comparison of Radeon R9 M395X Mac and NVIDIA Tesla K20s [S]ave
| Attribute |  NVIDIA Tesla K20s × |  Radeon R9 M395X Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2015 |
| GPU brand | Nvidia | AMD |
| GPU name | GK110 | Amethyst |
| Market | - | Laptop |
| Clock speed (MHz) | 706 | 909 |
| Is dual GPU | - | - |
| Model | NVIDIA Tesla K20s | Radeon R9 M395X Mac |
| Memory | ||
| Memory (MB) | 5,120 | 4,096 |
| Memory bandwidth (GB/s) | 208 | 174.7 |
| Memory bus (bit) | 320 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,300 | 1,365 |
| Effective memory clock speed (MHz) | 5,200 | 5,460 |
| Noise and power | ||
| TDP (W) | 225 | 250 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 36.7 | 29.09 |
| Render output processors | 40 | 32 |
| Texture mapping units | 208 | 128 |
| Shading units | 2,496 | 2,048 |
| Floating-point performance (GFLOPS) | 3,524 | 3,723 |
| Compute units | - | 32 |
| Texture rate (GTexel/s) | 146.8 | 116.4 |
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