| Attribute | Radeon HD 6470M × | Radeon HD 6400 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2011 | 2012 |
| GPU brand | AMD | AMD |
| GPU name | Seymour | Caicos LE |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 700 | 625 |
| Is dual GPU | - | - |
| Model | Radeon HD 6470M | Radeon HD 6400 |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 12.8 | 12.8 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | GDDR3 |
| Memory clock speed (MHz) | 800 | 800 |
| Effective memory clock speed (MHz) | 1,600 | 1,600 |
| Noise and power | ||
| TDP (W) | - | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 2.8 | 2.5 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 160 | 160 |
| Floating-point performance (GFLOPS) | 224 | 200 |
| Compute units | 2 | 2 |
| Texture rate (GTexel/s) | 5.6 | 5 |
| Benchmarks | ||
| Particle simulation (mInteraction/s) | 41.05 | - |
| Dirt3 | 12.9 | - |
| Crysis 2 | 5.9 | - |
| Face detection (mPixels/s) | 2.31 | - |
| T-Rex (GFXBench 3.0) | 1699.39 | 1483.8 |
| Manhattan (GFXBench 3.0) | 1188.37 | 803.03 |
| Bitcoin mining (mHash/s) | 23.02 | - |
| Ocean surface simulation (frames/s) | 106.88 | - |