Xiaomi is rumored to have a 12X handset with a 'Mini'-sized display in the works, with a pre-existing Snapdragon 870 SoC. Despite this spec, it is now forecast to launch alongside flagships with a whole new generation of Qualcomm processors. This event is now thought to take place about a month from now.
https://www.notebookcheck.net/The-Xiaomi-12X-will-launch-during-the-OEM-s-Snapdragon-Gen1-event-in-December-2021.581445.0.html