Best value high end tab

I ve been skimming through mid-high end chinese tablets, but it gets frustrating doing a lot of market research. So if anyone is already familiar with the market any advice would be appreciated.

I am looking for a tab that runs latest/previous gen tech that would have good performance for everything including games even 5 yrs from now.

I dont want samsung s9, xiaomi pad6s or any ipads cos they are pretty much overpriced. I ve seen vivo pad 3 and oneplus pad 2, which is something i would want - they run latest gen tech with a pretty good price tag of ~500$. They are really hard to come by in europe though. And also there s the tax issue.

I would consider previous gen tabs if the price is good.

Are there any other tabs that boast great performance for a better price than samsung/xiaomi?