Comparison of NVIDIA Tesla K20c and Radeon HD 7770M [S]ave
| Attribute |  NVIDIA Tesla K20c × |  Radeon HD 7770M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2012 |
| GPU brand | Nvidia | AMD |
| GPU name | GK110 | Chelsea |
| Market | - | Laptop |
| Clock speed (MHz) | 706 | 675 |
| Is dual GPU | - | - |
| Model | NVIDIA Tesla K20c | Radeon HD 7770M |
| Memory | ||
| Memory (MB) | 5,120 | 1,024 |
| Memory bandwidth (GB/s) | 208 | 64 |
| Memory bus (bit) | 320 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,300 | 1,000 |
| Effective memory clock speed (MHz) | 5,200 | 4,000 |
| Noise and power | ||
| TDP (W) | 225 | 32 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 36.7 | 10.8 |
| Render output processors | 40 | 16 |
| Texture mapping units | 208 | 32 |
| Shading units | 2,496 | 512 |
| Floating-point performance (GFLOPS) | 3,524 | 691 |
| Compute units | - | 8 |
| Texture rate (GTexel/s) | 146.8 | 21.6 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 430.08 | - |
| T-Rex (Compubench 1.5) (frames/s) | 4.43 | - |
| Video composition (frames/s) | 67.49 | - |
| 3DMark 11 Graphics | - | 2,110 |
| CLBenchmark Raytrace | 182,116 | 61,804 |
| 3DMark06 | - | 2,110 |
| Face detection (mPixels/s) | 39.64 | - |
| Bitcoin mining (mHash/s) | 179.45 | - |
| Ocean surface simulation (frames/s) | 1431.71 | - |
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