Comparison of Radeon HD 8670M and GeForce GTX 850M [S]ave
| Attribute |  GeForce GTX 850M × |  Radeon HD 8670M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2014 | 2013 |
| Reference card | - | AMD Radeon HD 8670M 925 MHz 1 GB |
| GPU brand | Nvidia | AMD |
| GPU name | GM107 | Mars |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 902 | 775 |
| Turbo clock speed (MHz) | 936 | 825 |
| Is dual GPU | - | - |
| Model | GeForce GTX 850M | Radeon HD 8670M |
| Memory | ||
| Memory (MB) | 2,048 | 2,048 |
| Memory bandwidth (GB/s) | 32 | 14.4 |
| Memory bus (bit) | 128 | 64 |
| Memory type | DDR3 | DDR3 |
| Memory clock speed (MHz) | 1,001 | 900 |
| Effective memory clock speed (MHz) | 2,002 | 1,800 |
| Noise and power | ||
| TDP (W) | 45 | - |
| Raw performance | ||
| Pixel rate (GPixel/s) | 14.43 | 6.6 |
| Render output processors | 16 | 8 |
| Texture mapping units | 40 | 24 |
| Shading units | 640 | 384 |
| Floating-point performance (GFLOPS) | 1,155 | 634 |
| Compute units | - | 6 |
| Texture rate (GTexel/s) | 36.1 | 19.8 |
| Benchmarks | ||
| Metro: Last Light | - | 4.7 |
| Bioshock Infinite | - | 5.5 |
| Battlefield 4 | 20.4 | - |
| Face detection (mPixels/s) | 37.72 | 7 |
| T-Rex (GFXBench 3.0) | 2606.42 | 3046.08 |
| Manhattan (GFXBench 3.0) | 1764.49 | 1726.77 |
| Bitcoin mining (mHash/s) | 150.96 | 71.7 |
| Sky Diver Factor | 225.07 | 83.25 |
| Thief | 18.4 | - |
| Fire Strike Factor | 26.99 | 8.11 |
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