Xiaomi is preparing to launch two devices later this year that appear to share the same underlying hardware. Positioned under the company's Poco and Redmi sub-brands, the two devices will combine a huge 6.9-inch display and a 6,000 mAh battery running HyperOS 2.2.https://www.notebookcheck.net/Mysterious-new-Xiaomi-Poco-and-Redmi-smartphones-revealed-with-global-launch-planned.1026773.0.html
Grey control and notification panel = entry level to low midrange.
Blurred transparent = midrange to flagship.
That's how it goes since MIUI 13 and now with HyperOS.