Comparison of NVIDIA Tesla K20Xm and NVIDIA Tesla K10 [S]ave
| Attribute |  NVIDIA Tesla K10 × |  NVIDIA Tesla K20Xm × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2012 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GK104 | GK110 |
| Clock speed (MHz) | 745 | 732 |
| Is dual GPU | + | - |
| Model | NVIDIA Tesla K10 | NVIDIA Tesla K20Xm |
| Memory | ||
| Memory (MB) | 8,192 | 6,144 |
| Memory bandwidth (GB/s) | 320 | 249.6 |
| Memory bus (bit) | 512 | 384 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,300 |
| Effective memory clock speed (MHz) | 5,000 | 5,200 |
| Noise and power | ||
| TDP (W) | 225 | 235 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 47.68 | 41 |
| Render output processors | 64 | 48 |
| Texture mapping units | 256 | 224 |
| Shading units | 3,072 | 2,688 |
| Floating-point performance (GFLOPS) | 4,577 | 3,935 |
| Texture rate (GTexel/s) | 190.8 | 164 |
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