Xiaomi has launched its first “Dual Camera” Smart Phone- Xiaomi Mi A1 which is one of the cheapest smart phone with dual camera in the market . The dual camera setup includes a pair of 12-megapixel sensors where one is a wide-angle lens and the other a telephoto lens. Xiaomi Mi A1 stands head-to-head with some of the very popular dual camera smartphones in the market. Now a days, there are so many dual camera smartphones in the market that one can’t decide which one to buy. Here is the comparison of top three models of smart phone, so that you can yourself decide which one to buy on the basis of their features,specification and price.