Comparison of AMD Radeon HD 6850 X2 and Radeon R9 M485X [S]ave
| Attribute |  Radeon R9 M485X × |  AMD Radeon HD 6850 X2 × |
|---|---|---|
| GPU | ||
| Release year (year) | 2016 | 2011 |
| GPU brand | AMD | AMD |
| GPU name | Amethyst | Barts PRO |
| Market | Laptop | Desktop |
| Clock speed (MHz) | 723 | 800 |
| Is dual GPU | - | + |
| Model | Radeon R9 M485X | AMD Radeon HD 6850 X2 |
| Memory | ||
| Memory (MB) | 8,192 | 4,096 |
| Memory bandwidth (GB/s) | 160 | 268.8 |
| Memory bus (bit) | 256 | 512 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,250 | 1,050 |
| Effective memory clock speed (MHz) | 5,000 | 4,200 |
| Noise and power | ||
| TDP (W) | 250 | 254 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 23.14 | 51.2 |
| Render output processors | 32 | 64 |
| Texture mapping units | 128 | 96 |
| Shading units | 2,048 | 1,920 |
| Floating-point performance (GFLOPS) | 2,961 | 3,072 |
| Compute units | 32 | 24 |
| Texture rate (GTexel/s) | 92.5 | 76.8 |
| Benchmarks | ||
| PassMark | 4,842 | 2,534 |
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