A prominent leaker has asserted that Xiaomi has a new variant of the pre-existing Redmi Note 9 in the works. This device is to have a 6.67-inch display with a refresh rate that can range from 30 to 120 hertz (Hz). It is also apparently certified for low blue light emissions and improved sunlight visibility.
https://www.notebookcheck.net/The-upcoming-premium-version-of-the-Redmi-Note-9-will-come-with-a-120Hz-display-and-VRR.502219.0.html