The redmi note 4 is the best budget range smart phone.This has 4GB of ram with which we can enjoy multitasking.It has a huge internal storage of 64gb.The response of this mobile is very good.It has a 5.5inch HD display and the touch is smooth.This mobile has 2ghz processor which is very fast.It is also powered with a huge battert and the battery life of this mobile is very good as compared to other mobiles.The camera performance is also very good with 13 MP primary and 8MP secondary camera sensors.Overall the performance of this mobile is very good.