Sony Xperia Z5 Premium vs Xperia Z5 - Full Comparison
Sony is ahead of the game, and has outfitted the Z5 Premium with a a 2160 x 3840 pixels Ultra-HD (4K) resolution display of its own. The 5.5" screen sports the record-breaking 800+ ppi density, while the current record-holder, the Samsung Galaxy S6, makes do with 577ppi. The Z5 Premium is powered by Qualcomm's latest Snapdragon 810 chipset.