According to a report, the Mi 12T and Redmi K50 could be very similar devices. The Mi 12T may have a few advantages over the Redmi K50 though, including OIS.
https://www.notebookcheck.net/Initial-Xiaomi-Mi-12T-and-Redmi-K50-information-emerges-with-a-120-Hz-display-touted.555973.0.html