| Attribute | Mobility Radeon HD 4570 × | Mobility Radeon HD 540v × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2010 |
| GPU brand | ATI | ATI |
| GPU name | M92 | M92 |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 680 | 550 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 4570 | Mobility Radeon HD 540v |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 12.8 | 12.8 |
| Memory bus (bit) | 64 | 64 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | - | 15 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.72 | 2.2 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 80 | 80 |
| Floating-point performance (GFLOPS) | 109 | 88 |
| Compute units | 1 | 1 |
| Texture rate (GTexel/s) | 5.44 | 4.4 |
| Benchmarks | ||
| PassMark | 200 | 189 |