We compare the new Sony Xperia X’s familiar design with the Xperia Z5, Z5 Compact, Z5 Premium and M5 in this hands-on comparison. All Sony’s smartphones share an OmniBalance design language, but the new Xperia X is the first to ditch the waterproofing in a long time. Has this helped Sony shave a few mm off? Will it bring the price down? What do you think of it? So many questions! Let us know in the comments section below.