The primary sensor offers 12MP resolution and integrates Dual Pixel autofocus technology. (android.gs)
The 12 megapixel sensor now comes with a second generation dual - pixel autofocus technology for faster and better focusing. (factschronicle.com)
The S7 Edge is also utilizing a new dual pixel autofocus system that's extremely fast — noticeably must faster than the G5's laser auto - focusing, especially in low light. (androidauthority.com)