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Headline Sharp screen, powerful innards, good battery life

The Xperia Z5 Premium is only a part-time 4K device, but it still merits applause for moving Sony's smartphone range line forward where the Xperia Z5 did not. The display alone might not make the £80 price difference a worthwhile expense, but combined with the pricier handset's longer battery life and heavier-hitting benchmark scores it gets pretty hard to suggest that you should save the cash.