Comparison of NVIDIA Tesla K20c and AMD FirePro W8000 [S]ave
| Attribute |  NVIDIA Tesla K20c × |  AMD FirePro W8000 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2012 |
| GPU brand | Nvidia | AMD |
| GPU name | GK110 | Tahiti |
| Clock speed (MHz) | 706 | 900 |
| Is dual GPU | - | - |
| Model | NVIDIA Tesla K20c | AMD FirePro W8000 |
| Memory | ||
| Memory (MB) | 5,120 | 4,096 |
| Memory bandwidth (GB/s) | 208 | 176 |
| Memory bus (bit) | 320 | 256 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,300 | 1,375 |
| Effective memory clock speed (MHz) | 5,200 | 5,500 |
| Noise and power | ||
| TDP (W) | 225 | 225 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 36.7 | 28.8 |
| Render output processors | 40 | 32 |
| Texture mapping units | 208 | 112 |
| Shading units | 2,496 | 1,792 |
| Floating-point performance (GFLOPS) | 3,524 | 3,226 |
| Compute units | - | 28 |
| Texture rate (GTexel/s) | 146.8 | 100.8 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 430.08 | 392.77 |
| T-Rex (Compubench 1.5) (frames/s) | 4.43 | 6.75 |
| Video composition (frames/s) | 67.49 | 116.33 |
| 3DMark 11 Graphics | - | 7,070 |
| CLBenchmark Raytrace | 182,116 | 253,185 |
| Face detection (mPixels/s) | 39.64 | 64.63 |
| Bitcoin mining (mHash/s) | 179.45 | 387.11 |
| Ocean surface simulation (frames/s) | 1431.71 | 1267.76 |
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