Comparison of Radeon HD 5450 PCI and Radeon HD 4450 [S]ave
| Attribute |  Radeon HD 5450 PCI × |  Radeon HD 4450 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2010 | 2011 |
| GPU brand | ATI | ATI |
| GPU name | Cedar | RV710 |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 650 | 600 |
| Is dual GPU | - | - |
| Model | Radeon HD 5450 PCI | Radeon HD 4450 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 5.3 | 6.4 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR2 | DDR2 |
| Memory clock speed (MHz) | 333 | 400 |
| Effective memory clock speed (MHz) | 666 | 800 |
| Noise and power | ||
| TDP (W) | 19 | 25 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.6 | 2.4 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 80 | 80 |
| Floating-point performance (GFLOPS) | 104 | 96 |
| Compute units | 2 | 1 |
| Texture rate (GTexel/s) | 5.2 | 4.8 |
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