Poor Performance with RTX 3080 and 3900X CPU " Limited by MainThread"

[AC52399]

Even with my high-end rig I have the very same problems. Specs below.
This sim is an utter disaster!

Dreadful performance

Hi all, First I just want to congratulate the team on the release of the sim. I completed the installation earlier and it seemed to install without any issues at all. I got into the sim and went to my local airport and the performance is terrible, panning around is jumpy and stutters, nothing appears to be smooth at all. It’s currently not possible to fly In the sim. My specs are: i7700K, 1080ti, 16gb DDR4 ram. I have been using my 4K monitor but also have the issue at 1080p. I have tired a…

MSFS 2020 and stutters

Dear Devs, I am well aware that modeling the whole world with stunning detail, is a HUGE undertaking, and this has been achieved for the most part admirably. My warmest congratulations. Though, among other things, the main goal has not been achieved, a fluid flying experience. Even with my high-end rig (specs below) and even cranking down the settings to the lowest levels, MSFS stutters. Even at lowest settings, and no traffic, it is not capable to hold and maintain SOLID, FIXED 60 FPS, which …

Mainboard: ASUS Maximus X Hero Intel Z 370
CPU: Intel Core i7-8086K @ 4.0 GHz
Memory: 32GB Corsair Dominator Platinum DDR4-3000
Graphics Card: ASUS NVIDIA GeForce RTX 3080 10GB
Monitor ASUS PA 329 32" @ 4K
1 SSD Samsung 860 PRO 256 GB
1 SSD Samsung 860 PRO 4 TB
Windows 10 - 64 V. 2004
CH Pro combatstick, throttle and pedals