Comparison of Radeon HD 3750 and Radeon HD 4580 [S]ave
| Attribute |  Radeon HD 4580 × |  Radeon HD 3750 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2008 |
| GPU brand | ATI | ATI |
| GPU name | RV635 | RV635 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 796 | 796 |
| Is dual GPU | - | - |
| Model | Radeon HD 4580 | Radeon HD 3750 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 22.2 | 22.2 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 693 | 693 |
| Effective memory clock speed (MHz) | 1,386 | 1,386 |
| Noise and power | ||
| TDP (W) | 65 | 65 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.18 | 3.18 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 120 | 120 |
| Floating-point performance (GFLOPS) | 191 | 191 |
| Compute units | 3 | 3 |
| Texture rate (GTexel/s) | 6.37 | 6.37 |
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