Xiaomi mi4i is powerfull phone in its segment because it is packed with all features you are required in this price segment
it has a gorgeous 1080 full HD display with 441 ppi.
it has a 13 mp camera with f/2.0 aperture which takes a very good pictures in both outdoor and indoor conditions
you can play games very fluidly because of its adreno 405 gpu and the games you play are just awesome because it does not lags
when we talking about multitasking in mi4i its just awesome thanks for its snapdragon 615 chipset with 1.7 ghz and a 2gb dd3 ram
it works very good in all in its price segment it a very good choice you should go for it
but 1 problem is its service centre is not that great
customer support is poor