"There is nothing either good or bad, but thinking makes it so," Hamlet. And what our readers think of the Sony Xperia X Performance is, well, not good. Our readers gave the Xperia X a middling reception, but when asked if they will buy an X Performance, two out of three people voted "No." And the immediate culprit is price - $700 or 700 (or more) is just expensive, regardless of specs. And the specs themselves drew plenty of fire. People in the comments constantly brought up the Xperia Z5, including the smaller Z5 Compact and the bonkers Z5 Premium (the one with a 5.5" 4K screen)....
Source: http://www.gsmarena.com/weekly_poll_results_sony_xperia_x_performance_takes_a_beating-news-19018.php