Attribute | Radeon R7 M270 × | Radeon HD 8770M × |
---|---|---|
GPU | ||
Release year (year) | 2014 | 2013 |
GPU brand | AMD | AMD |
GPU name | Opal | Mars |
Market | Laptop | Laptop |
Clock speed (MHz) | 725 | 775 |
Turbo clock speed (MHz) | 825 | 825 |
Is dual GPU | - | - |
Model | Radeon R7 M270 | Radeon HD 8770M |
Memory | ||
Memory (MB) | 2,048 | 2,048 |
Memory bandwidth (GB/s) | 28.8 | 72 |
Memory bus (bit) | 128 | 128 |
Memory type | DDR3 | GDDR5 |
Memory clock speed (MHz) | 900 | 1,125 |
1↑Effective memory clock speed (MHz) | 1,800 | 4,500 |
Raw performance | ||
Pixel rate (GPixel/s) | 6.6 | 6.6 |
Render output processors | 8 | 8 |
Texture mapping units | 24 | 24 |
Shading units | 384 | 384 |
Floating-point performance (GFLOPS) | 634 | 634 |
Compute units | 6 | 6 |
Texture rate (GTexel/s) | 19.8 | 19.8 |
Benchmarks | ||
PassMark | 749 | - |
3DMark 11 Graphics | 9791.5 | 12,680 |
3DMark Vantage Graphics | 6,027 | 7,078 |
3DMark06 | 1857.5 | 1,934 |
Diablo III (fps) | 31.4 | - |
T-Rex (GFXBench 3.0) | 901.09 | - |
Manhattan (GFXBench 3.0) | 2680.49 | - |