Comparison of Radeon HD 8280E and Radeon E4690 MXM [S]ave
| Attribute |  Radeon E4690 MXM × |  Radeon HD 8280E × |
|---|---|---|
| GPU | ||
| Release year (year) | 2009 | 2013 |
| GPU brand | ATI | AMD |
| GPU name | RV730 | Kalindi |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 600 | 450 |
| Is dual GPU | - | - |
| Model | Radeon E4690 MXM | Radeon HD 8280E |
| Memory | ||
| Memory (MB) | 512 | 512 |
| Memory bandwidth (GB/s) | 22.4 | 8.5 |
| Memory bus (bit) | 128 | 64 |
| Memory type | GDDR3 | DDR3 |
| Memory clock speed (MHz) | 700 | 533 |
| Effective memory clock speed (MHz) | 1,400 | 1,066 |
| Noise and power | ||
| TDP (W) | 30 | 15 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 4.8 | 1.8 |
| Render output processors | 8 | 4 |
| Texture mapping units | 32 | 8 |
| Shading units | 320 | 160 |
| Floating-point performance (GFLOPS) | 384 | 144 |
| Compute units | 4 | 2 |
| Texture rate (GTexel/s) | 19.2 | 3.6 |
| Benchmarks | ||
| PassMark | 405 | 327 |
| PassMark Direct Compute | - | 178 |
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