More details in here: http://www.tlbhd.com/sony-xperia-z2-xperia-z1-18429/
In this video we're having side by side the Sony Xperia Z2 and the Sony Xperia Z1.
The Z2 is Sony'a latest flagship, recently launched at MWC 2014 in Barcelona. The Z1 is its predecessor, launched just 6 months ago. But the Z2 builds on the Z1 and manages to fix many of its issues, which makes it a much better device.
On the outside, the Sony Xperia Z2 and the Z1 are nearly similar, with the same glass and