A51 vs redmi note 11 pro 5g July 8, 2019 16 32 64 128 Xiaomi redmi note 11 pro 5g vs samsung galaxy a51 Samsung a51 vs redmi note 11 pro 5g Xiaomi redmi note 11 pro 5g vs samsung a51 A51 vs note 11 A51 vs redmi note 9