Samsung Galaxy Grand 3 - 64 bit Processor with 13MP Camera. Leaks suggest Samsung bringing more, following Galaxy A3 and Galaxy A5 smartphones now its time for the 3rd addition of its mid-range phone Galaxy Grand 2. Rumoured to be bearing Samsung Model no. SM-G7200, its Galaxy Grand 3 according to the GFXBench website, without any doubt. Equipped with a stunning 13 megapixel camera, The Samsung Galaxy Grand 3 in comparison with the already existing Galaxy Grand 2, would proved to be a huge technological advancement in terms of the overall features and hardware.