Xiaomi's Redmi 9 series is a head-scratcher, particularly as its members can be completely different from market to market. Now, the OEM has added to this confusion with the new India-specific 9 Activ variant. It has been unveiled alongside Sport versions of the 9A and 9i, which also might make one wonder why they exist in the first place.
https://www.notebookcheck.net/Redmi-kick-starts-the-9-series-in-India-again-with-a-new-Activ-version-for-reasons.567229.0.html
One should not try to find logic in xiaomi product lines or their names. It is futile.
They simply fling amazing amount of stuff at the wall and see what sticks.
For less than 10K, this helio powered phone has good features.