Since Sony split from Ericsson the company has been creating some rather impressive solo-branded mobiles, with the Xperia smartphones offering a viable alternative to better-known options such as the Samsung Galaxy family. You could argue that Sony has been a little bit behind the curve in terms of processing power, since most of its flagship devices have stuck with dual-core chips in spite of the trend towards quad-core CPUs. Turn to the present, and the announcement of the Sony Xperia Z at CES 2013 will make you think again.

The Xperia Z most impressive specification is its 5-inch touchscreen display, which features a full HD resolution of 1920