Comparison of Radeon HD 3470 and Radeon HD 2600 XT Mac [S]ave
| Attribute |  Radeon HD 2600 XT Mac × |  Radeon HD 3470 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| GPU brand | ATI | ATI |
| GPU name | RV630 | RV620 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 700 | 800 |
| Is dual GPU | - | - |
| Model | Radeon HD 2600 XT Mac | Radeon HD 3470 |
| Memory | ||
| Memory (MB) | 256 | 256 |
| Memory bandwidth (GB/s) | 25.6 | 15.2 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 800 | 950 |
| Effective memory clock speed (MHz) | 1,600 | 1,900 |
| Noise and power | ||
| TDP (W) | 45 | 30 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.8 | 3.2 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 4 |
| Shading units | 120 | 40 |
| Floating-point performance (GFLOPS) | 168 | 64 |
| Compute units | 3 | 2 |
| Texture rate (GTexel/s) | 5.6 | 3.2 |
| Benchmarks | ||
| PassMark | - | 147 |
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