Comparison of Radeon HD 3450 PCI and Radeon HD 3550 [S]ave
| Attribute |  Radeon HD 3450 PCI × |  Radeon HD 3550 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2008 | 2008 |
| GPU brand | ATI | ATI |
| GPU name | RV620 | RV620 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 600 | 594 |
| Is dual GPU | - | - |
| Model | Radeon HD 3450 PCI | Radeon HD 3550 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 6.4 | 6.3 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR2 | DDR2 |
| Memory clock speed (MHz) | 400 | 396 |
| Effective memory clock speed (MHz) | 800 | 792 |
| Noise and power | ||
| TDP (W) | 25 | 30 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.4 | 2.38 |
| Render output processors | 4 | 4 |
| Texture mapping units | 4 | 4 |
| Shading units | 40 | 40 |
| Floating-point performance (GFLOPS) | 48 | 48 |
| Compute units | 2 | 2 |
| Texture rate (GTexel/s) | 2.4 | 2.38 |
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