Samsung z fold 4 vs samsung z flip 4 July 8, 2019 16 32 64 128 Samsung galaxy z fold 4 vs samsung galaxy z flip 4 Samsung galaxy z fold 4 vs samsung galaxy z flip 4 specs Samsung z fold 4 vs fold 4 Samsung flip 4 vs samsung fold 4 Samsung galaxy flip 4 vs samsung galaxy fold 4 Samsung z fold 4 vs z fold 5 Samsung flip 4 vs fold 3