Sony hopes to address this confusion with its new Xperia Z4 tablet, which offers impressive 2K resolution in a lightweight package, making it ideal for video and gaming during long trips. Anyone familiar with Sony’s Xperia Z3 tablet already has a fairly good idea of what to expect from this latest iteration, which debuted at Mobile World Congress 2015 in Barcelona, Spain. The Xperia Z4 is a 10.1-inch Android tablet with 2048 × 1536 resolution -- the same resolution as the iPad Air and Air 2, and much higher than most tablets. Sony claims that the Xperia Z4 can provide up to 17 hours of battery life, which should let users watch an awful lot of videos in full HD and beyond.



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