Comparison of Radeon HD 3870 Mac and NVIDIA GRID K120Q [S]ave
| Attribute |  Radeon HD 3870 Mac × |  NVIDIA GRID K120Q × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2014 |
| GPU brand | ATI | Nvidia |
| GPU name | RV670 | GK107 |
| Market | Desktop | - |
| Clock speed (MHz) | 777 | 850 |
| Is dual GPU | - | - |
| Model | Radeon HD 3870 Mac | NVIDIA GRID K120Q |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 72.1 | 28.5 |
| Memory bus (bit) | 256 | 128 |
| Memory type | GDDR4 | DDR3 |
| Memory clock speed (MHz) | 1,126 | 891 |
| Effective memory clock speed (MHz) | 2,252 | 1,782 |
| Noise and power | ||
| TDP (W) | 106 | 130 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 12.43 | 3.4 |
| Render output processors | 16 | 16 |
| Texture mapping units | 16 | 16 |
| Shading units | 320 | 192 |
| Floating-point performance (GFLOPS) | 497 | 326 |
| Compute units | 4 | - |
| Texture rate (GTexel/s) | 12.43 | 13.6 |
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