Amply lower SAR for body (USA)
0.07 W/kg lower SAR for body (USA). SAR (Specific Absorption Rate) describes how much radio frequency energy emitted by the device will be absorbed by your body. The rate is measured at hip level. The legal limit is 1.6 W/kg in the USA.
Sony uses different panel while making the 2012 Xperias and 2013 Xperias. Meanwhile, the panel which is use on 2012 Xperias are much better. The 2013 Xperia's display looks washed out like the Xperia Z