Hey!
You just make my day.
I was suffering stuttering problems since the beginning of this sim.
I run the sim in a AMD 5800X with 32Gb 3600 Ram and a RX6800XT, with W11 and the sim installed in a Sata3 SSD. Monitor is a LG 34GN850-B 34’ UWQHD.
After reading your post, I run the sim, maximized all settings to Ultra, put Render Scale up from 100 until 25-30ms of GPU, and start tweaking LOD and scale.
Ended with 150 LOD and 150 render scale. Getting about 28-30ms in GPU with the FBW A32NX around Madrid, and about 15-18ms in Mainthread.
Maybe I can fine tune more, but now I have a beautiful and incredible sim with maxed out settings and smooth like butter! With about 32-40 Fps depending on weather etc…but smooth smooth!
My error was lowering graphics settings to equal Mainthread and GPU times, but what makes my sim smooth is to have about the double of GPU time compared to Mainthread.
Again, thanks you!!!