Comparison of Radeon HD 6650M and Radeon R9 M385X [S]ave
| Attribute |  Radeon R9 M385X × |  Radeon HD 6650M × |
|---|---|---|
| GPU | ||
| Release year (year) | 2015 | 2011 |
| GPU brand | AMD | AMD |
| GPU name | Strato | Whistler |
| Market | Laptop | Laptop |
| Clock speed (MHz) | 1,000 | 600 |
| Turbo clock speed (MHz) | 1,100 | - |
| Is dual GPU | - | - |
| Model | Radeon R9 M385X | Radeon HD 6650M |
| Memory | ||
| Memory (MB) | 4,096 | 1,024 |
| Memory bandwidth (GB/s) | 76.8 | 25.6 |
| Memory bus (bit) | 128 | 128 |
| Memory type | GDDR5 | DDR3 |
| Memory clock speed (MHz) | 1,200 | 800 |
| Effective memory clock speed (MHz) | 4,800 | 1,600 |
| Raw performance | ||
| Pixel rate (GPixel/s) | 17.6 | 4.8 |
| Render output processors | 16 | 8 |
| Texture mapping units | 56 | 24 |
| Shading units | 896 | 480 |
| Floating-point performance (GFLOPS) | 1,971 | 576 |
| Compute units | 14 | 6 |
| Texture rate (GTexel/s) | 61.6 | 14.4 |
| Benchmarks | ||
| Metro: Last Light | 21.7 | - |
| Battlefield 3 | - | 7.3 |
| Crysis 3 | 14.8 | - |
| PassMark | - | 699 |
| 3DMark 11 Graphics | 14,024 | 7,307 |
| Bioshock Infinite | 32.4 | - |
| Crysis 2 | - | 10.3 |
| Cloud Gate Factor | - | 8.57 |
| Battlefield 4 | 26.2 | - |
| T-Rex (GFXBench 3.0) | 3357.65 | 3334.19 |
| Manhattan (GFXBench 3.0) | 3707.56 | - |
| Sky Diver Factor | - | 62.44 |
| Thief | 19.2 | - |
| Fire Strike Factor | - | 7.19 |
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