Comparison of Radeon HD 6450A and Radeon HD 5450 PCIe x1 [S]ave
| Attribute |  Radeon HD 6450A × |  Radeon HD 5450 PCIe x1 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2010 |
| GPU brand | AMD | ATI |
| GPU name | Caicos | Cedar |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 625 | 650 |
| Is dual GPU | - | - |
| Model | Radeon HD 6450A | Radeon HD 5450 PCIe x1 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 8.5 | 8 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 533 | 500 |
| Effective memory clock speed (MHz) | 1,066 | 1,000 |
| Noise and power | ||
| TDP (W) | 25 | 19 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.5 | 2.6 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 160 | 80 |
| Floating-point performance (GFLOPS) | 200 | 104 |
| Compute units | 2 | 2 |
| Texture rate (GTexel/s) | 5 | 5.2 |
| Benchmarks | ||
| PassMark | 260 | - |
| PassMark Direct Compute | 163 | - |
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