The Black Shark 3 series is thought to be the next upcoming generation of Xiaomi's gaming phones. New tips spilled onto Weibo indicate how the rumored Pro variant may differ from the base model. Apparently, these variations will mainly concern screen size and resolution.
https://www.notebookcheck.net/A-new-leak-suggests-the-Black-Shark-3-Pro-will-have-a-QHD-display-whereas-the-3-will-not.455230.0.html