Worth noting that both this and the (better IMO) 2018 model run Stadia really well.
I have the same problem. It's really annoying.... Speakers are total garbage. I thought I'd be able to put up with it but the delay in things loading the most basic app or performing a basic task really grindsy gears.
Replaced my 2014 Tab S with one of these, then rooted & installed Bliss 12.7 custom ROM (Android 10): https://forum.xda-developers.com/galaxy-tab-a/development/rom-t4006261 Need to follow the guide carefully, but well worth the effort.
i just bought the amazon fire 8hdplus it as 3gb ram, quad core processor, micro up to 1 tb and cost £84 from argos also as wi fi , bluetooth. hope this helps.
It will work just fine.