The Samsung Galaxy j7 is powered by 1.66GHz octa -core processor.it comes with 2GB ram.the phone has 16GB internal storage that can be expanded up to 128GB through micro sd card.it is a dual sim phone also support 4g .the camera qualities are good.Samsung provided front flash so we can easily take selfies in night.the picture quality is good.rare camera 13MP and front camera 5MP.and it has 3300mAh battery.