The Redmi 7 was launched about six months ago and Xiaomi is set to release a direct successor. The Redmi 8 brings several tangible improvements over its predecessor but the SoC is a downgrade in terms of performance, and potential buyers may just be better served looking at the cheaper Redmi 8A.
https://www.notebookcheck.net/Details-of-the-Redmi-8-surface-but-the-cheaper-Redmi-8A-looks-a-better-buy.435594.0.html