I'm afraid that premiciously branded "USP" smells like bollocks...
"exceptionally strong sensors, with 1.25-micron pixels (smaller than Samsung's) letting in more light."
...either the author has been quietly indulging an impromptu ischæmic event, or he's mindlessly C&P'd marketese at us. Whichever it is, it's obviously utter crap.
Another sponsored infomercial?