Originally posted by Morween:

I understand it, the mainly concern about is why in this game? metro exodus, stalker gamma with 360 mods, Detroit become human and so on games does not archieve this temps in the 2060, it's because optimization of the game engine to rtx cards?

Valheim is still in "Early Access".

"Optimization" isn't much more than a pipe dream at this point.
Stop fretting, and go play; Worry if the temps hit triple digits.

If you want to see your GPU struggle, try a few hundred hours of Dyson Sphere Program.