Our review of the Redmi 9T reveals a really good entry-level smartphone with a well-rounded overall package for little money. You can read about the advantages of the Xiaomi smartphone compared with the Poco M3 here.
https://www.notebookcheck.net/Review-verdict-on-the-Redmi-9T-The-low-priced-Xiaomi-smartphone-is-the-better-Poco-M3.537657.0.html