Redmi has just announced a launch date for a phone called the Note 9S in Malaysia. Now, a new entry on the Geekbench 5 website for this device returns the same specs as the Note 9 Pro. This suggests the 2 products are one and the same.
https://www.notebookcheck.net/The-Redmi-Note-9S-is-a-re-branded-Note-9-Pro-for-another-market-new-leak.458468.0.html