Comparison of Radeon R9 M265X and Radeon HD 8850M [S]ave
| Attribute |  Radeon HD 8850M × | Radeon R9 M265X × |
|---|---|---|
| GPU | ||
| Release year (year) | 2013 | 2014 |
| Reference card | AMD Radeon HD 8850M 575 MHz 2 GB | - |
| GPU brand | AMD | AMD |
| GPU name | Venus | Venus |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 725 | 575 |
| Turbo clock speed (MHz) | 775 | 625 |
| Is dual GPU | - | - |
| Model | Radeon HD 8850M | Radeon R9 M265X |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 72 | 64 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | GDDR5 |
| Memory clock speed (MHz) | 1,125 | 1,000 |
| Effective memory clock speed (MHz) | 4,500 | 4,000 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 12.4 | 10 |
| Render output processors | 16 | 16 |
| Texture mapping units | 40 | 40 |
| Shading units | 640 | 640 |
| Floating-point performance (GFLOPS) | 992 | 800 |
| Compute units | 10 | 10 |
| Texture rate (GTexel/s) | 31 | 25 |
| Benchmarks | ||
| Bioshock Infinite | 16.9 | 19.4 |
| Battlefield 4 | - | 16.25 |
| Face detection (mPixels/s) | 19.64 | 20.63 |
| T-Rex (GFXBench 3.0) | 3028.4 | 3358.76 |
| Manhattan (GFXBench 3.0) | 2852.7 | 1727.33 |
| Bitcoin mining (mHash/s) | 84.38 | 94.4 |
| Sky Diver Factor | 147.45 | - |
| Thief | 11.5 | 12.8 |
| Fire Strike Factor | 17.08 | - |
| Ocean surface simulation (frames/s) | - | 525.04 |
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