Comparison of Radeon R5 235 and Radeon HD 6400 [S]ave
| Attribute |  Radeon R5 235 × |  Radeon HD 6400 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2012 |
| GPU brand | AMD | AMD |
| GPU name | Caicos | Caicos LE |
| Market | Desktop | Desktop |
| Clock speed (MHz) | 775 | 625 |
| Is dual GPU | - | - |
| Model | Radeon R5 235 | Radeon HD 6400 |
| Memory | ||
| Memory (MB) | 1,024 | 512 |
| Memory bandwidth (GB/s) | 14.4 | 12.8 |
| Memory bus (bit) | 64 | 64 |
| Memory type | DDR3 | GDDR3 |
| Memory clock speed (MHz) | 900 | 800 |
| Effective memory clock speed (MHz) | 1,800 | 1,600 |
| Noise and power | ||
| TDP (W) | 35 | 18 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 3.1 | 2.5 |
| Render output processors | 4 | 4 |
| Texture mapping units | 8 | 8 |
| Shading units | 160 | 160 |
| Floating-point performance (GFLOPS) | 248 | 200 |
| Compute units | 2 | 2 |
| Texture rate (GTexel/s) | 6.2 | 5 |
| Benchmarks | ||
| PassMark | 346 | - |
| PassMark Direct Compute | 219 | - |
| T-Rex (GFXBench 3.0) | 1719.04 | 1483.8 |
| Manhattan (GFXBench 3.0) | 1066.94 | 803.03 |
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