Amazon Fire Phone vs Sony Xperia Z2 vs HTC One M8: specs comparison

Amazon's first smartphone, the Fire Phone, is now a reality, and it's price tag of $199 unlocked puts it in a very precarious position -- it's got to prove enticing enough for consumers to stray away from established brands such as Sony and HTC. And neither is about to go easy on a new entrant.

Equipped with decent, overall high-end specs, the Fire Phone is not at all without ammo, especially if you consider the extras you get on top of the specs sheet. Those include an intriguing 3D screen, powered by a set of four cameras that constantly look for and track you head's movements, ...