| Attribute | Mobility Radeon HD 3870 X2 × | Mobility Radeon HD 565v × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2010 |
| GPU brand | ATI | ATI |
| GPU name | M88 | M96 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 660 | 675 |
| Is dual GPU | + | - |
| Model | Mobility Radeon HD 3870 X2 | Mobility Radeon HD 565v |
| Memory | ||
| Memory (MB) | 1,024 | 1,024 |
| Memory bandwidth (GB/s) | 108.8 | 25.6 |
| Memory bus (bit) | 512 | 128 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 850 | 800 |
| Effective memory clock speed (MHz) | 1,700 | 1,600 |
| Noise and power | ||
| TDP (W) | 110 | 20 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 21.12 | 5.4 |
| Render output processors | 32 | 8 |
| Texture mapping units | 32 | 32 |
| Shading units | 640 | 320 |
| Floating-point performance (GFLOPS) | 845 | 432 |
| Compute units | 8 | 4 |
| Texture rate (GTexel/s) | 21.12 | 21.6 |
| Benchmarks | ||
| PassMark | 563 | 325 |