The Xiaomi Mix 5 series has been rumored to replace the Xiaomi 12 Ultra this year and while that may not end up being true, the phones still sport premium displays, with a new leak detailing the display specs of both the Mix 5 and Mix 5 Pro.
https://www.notebookcheck.net/Impressive-Xiaomi-Mix-5-series-display-details-revealed-in-new-leak.593682.0.html