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If you were upset that the Xperia X "only has a Snapdragon 650" and "the Xperia X isn't water resistant anymore", as many of our readers have, fear no more. The Sony Xperia X Performance is here to cover all of these bases in the same compact footprint.
Source: http://www.gsmarena.com/sony_xperia_x_performance_hands_on-review-1446.php