Comparison of Radeon HD 2600 XT Mac and Radeon HD 3830 [S]ave
| Attribute |  Radeon HD 3830 × |  Radeon HD 2600 XT Mac × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| GPU brand | ATI | ATI |
| GPU name | RV670 | RV630 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 668 | 700 |
| Is dual GPU | - | - |
| Model | Radeon HD 3830 | Radeon HD 2600 XT Mac |
| Memory | ||
| Memory (MB) | 256 | 256 |
| Memory bandwidth (GB/s) | 26.5 | 25.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 828 | 800 |
| Effective memory clock speed (MHz) | 1,656 | 1,600 |
| Noise and power | ||
| TDP (W) | 75 | 45 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 10.69 | 2.8 |
| Render output processors | 16 | 4 |
| Texture mapping units | 16 | 8 |
| Shading units | 320 | 120 |
| Floating-point performance (GFLOPS) | 428 | 168 |
| Compute units | 4 | 3 |
| Texture rate (GTexel/s) | 10.69 | 5.6 |
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