Sony is a japanese company which toggled big companies in mobile market it has discoverd very good phone in xperia series and latest one is z5 premium.
-Z5 premium has 3gb ram and 32gb internal
-It has 3000mah battery which is superb
- It has qualcom snapdragon 810 chipset which is very fast
-Camare is superb its rear camera 23mp and front 5mp which best
-It has 4k resolution screen which I
s good
-Z5 premium has glass structure backside which is sleepy but its good
