Comparison of Radeon HD 7450A and Radeon HD 6400 [S]ave
| Attribute |  Radeon HD 7450A × |  Radeon HD 6400 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2012 | 2012 |
| GPU brand | AMD | AMD |
| GPU name | Caicos | Caicos LE |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 625 | 625 |
| Is dual GPU | - | - |
| Model | Radeon HD 7450A | Radeon HD 6400 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 12.8 | 12.8 |
| Memory bus (bit) | 64 | 64 |
| Memory type | GDDR3 | GDDR3 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | 25 | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.5 | 2.5 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 160 | 160 |
| Floating-point performance (GFLOPS) | 200 | 200 |
| Compute units | 2 | 2 |
| Texture rate (GTexel/s) | 5 | 5 |
| Benchmarks | ||
| PassMark | 288 | - |
| PassMark Direct Compute | 165 | - |
| T-Rex (GFXBench 3.0) | 1600.51 | 1483.8 |
| Manhattan (GFXBench 3.0) | 907.55 | 803.03 |
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