The new 2,560 x 1,440, 538ppi display packs four times the pixels of a 1,280 x 720 display into a package measuring only 5.5-inches…. The new 2,560 x 1,440, 538ppi display packs four times the pixels of a 1,280 x 720 display into a package measuring only 5.5-inches.

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