Comparison of Mobility Radeon HD 5770 and Radeon HD 6490M Mac [S]ave
| Attribute |  Mobility Radeon HD 5770 × |  Radeon HD 6490M Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2010 | 2011 |
| GPU brand | ATI | AMD |
| GPU name | Madison | Seymour |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 650 | 750 |
| Is dual GPU | - | - |
| Model | Mobility Radeon HD 5770 | Radeon HD 6490M Mac |
| Memory | ||
| Memory (MB) | 1,024 | 256 |
| Memory bandwidth (GB/s) | 51.2 | 25.4 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 800 | 794 |
| Effective memory clock speed (MHz) | 3,200 | 3,176 |
| Noise and power | ||
| TDP (W) | 30 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 5.2 | 3 |
| Render output processors | 8 | 4 |
| Texture mapping units | 20 | 8 |
| Shading units | 400 | 160 |
| Floating-point performance (GFLOPS) | 520 | 240 |
| Compute units | 5 | 2 |
| Texture rate (GTexel/s) | 13 | 6 |
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