Originally posted by Morween:

... why in this game? ... it's because optimization of the game engine to rtx cards?

RTX card holder here, definitely not 🤣. Valheim uses none of the RTX features, and uses DX11 which afaik predates either of your cards.

Edit: for context, 3070ti, i5-12500, mATX case, all of the case fans - Valheim turns my PC into a fan heater.