It is quality and performance that count. Don’t worry about memory usage, if it sais 24GB it wants to load even more, maybe there will be a slider for it.
You don’t play often… After Hotfix-2 there is Ultra again, next time make sure if you switch to Ultra for the first time, go Low first, then go Ultra. Don’t trust your settings are saved, check them. And also see @BubbaBlitz7348 tip above, about changing the LOD scaling in usercfg.opt. If you have a fast internet connection and a 30xx board, you’ll enjoy it. This is the topic about LOD scaling,