
The description in the trademark filings for both monikers reads “Camera Sensor for use in enhancing the brightness and clearness of digital images and photographs taken in low-light environments.” That's basically what the secondary camera in a dual camera setup is supposed to do. Rumor has it that the Galaxy S8's dual camera is going to feature one 16-megapixel sensor and another 8-megapixel sensor for a better photography experience overall with particular improvements being noticed in low light performance. The Galaxy S8 will be out in the first quarter of 2017.