The main differences are as follows:
First, the CPU is different: the s8 is equipped with the Snapdragon 888 processor, which is the current top Android flagship processor; The tabs7 is powered by the Snapdragon 865 processor
Second, camera upgrade: the S8 front shot with 12 million super wide Angle, a wider field of view, the rear shot has anti-shake, the stability of shooting video is better than tabs7