Comparison of NVIDIA Tesla M40 and NVIDIA Tesla K40st [S]ave
| Attribute |  NVIDIA Tesla M40 × |  NVIDIA Tesla K40st × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2013 |
| GPU brand | Nvidia | Nvidia |
| GPU name | GM200 | GK110B |
| Clock speed (MHz) | 948 | 745 |
| Turbo clock speed (MHz) | 1,114 | - |
| Is dual GPU | - | - |
| Model | NVIDIA Tesla M40 | NVIDIA Tesla K40st |
| Memory | ||
| Memory (MB) | 12,288 | 12,288 |
| Memory bandwidth (GB/s) | 288 | 288.4 |
| Memory bus (bit) | 384 | 384 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,500 | 1,502 |
| Effective memory clock speed (MHz) | 6,000 | 6,008 |
| Noise and power | ||
| TDP (W) | 250 | 245 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 91 | 44.7 |
| Render output processors | 96 | 48 |
| Texture mapping units | 192 | 240 |
| Shading units | 3,072 | 2,880 |
| Floating-point performance (GFLOPS) | 5,825 | 4,291 |
| Texture rate (GTexel/s) | 182 | 178.8 |
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