Sony's latest pair of handsets augment the Xperia X line announced earlier this year at Mobile World Congress (MWC). Three devices were announced at MWC -- the 5-inch Xperia X, Xperia X Performance and Xperia XA. Since then Sony has added the 6-inch XA Ultra, and now we have the 5.2-inch XZ and the 4.6-inch X Compact.
Sony Xperia XZ and X Compact review at ZDNet.com
Sony Xperia XZ and X Compact review at ZDNet.com