6. Sony Xperia Z5:
This smartphone has a 2.0 GHz Qualcomm MSM8994 Snapdragon 810 Octa Core processor that renders a faster, effortless multitasking experience. This beautifully crafted smartphone has a big 5.5 inches display and runs on Android v5.1 OS that is upgradable to Android v6.0 Marshmallow OS. It has a 23 MP primary camera that captures exceptional quality images and videos with rich details. There is also a 5 MP front facing camera which also renders stunning images and videos.