We compare the three heavy hitters in the smartphone market     

The question of which smartphone to buy is a tricky one. This is because, thanks to fragmentation in the market, pretty much every single vendor has something unique to offer consumers.

This phenomenon remains true in the current market that's dominated by Apple, Samsung and Google, with their respective iPhone 5S, Galaxy S4 and Nexus 5 flagship smartphones having their own unique strengths and weaknesses.