Very low VR-performance - 9800x3d + 3900ti

Description of the issue:
The performance in general, but especially VR-performance have - compared to 2020 - decreased in such a way that 2024 is unplayable with decent settings in VR. Even with the lowest settings and low render scale (50) in the Pimax Play software I still only get about 30 fps at a handcrafted airport with a default airplane - Cessna 208.

I use TAA to keep readable and non-ghosting instruments, so DLSS and FSR are not being used.

[PC Only] Did you remove all your community mods/add-ons? If yes, are you still experiencing the issue?

Yes. Tested both with 2020 and 2024 by removing all community addons. 2024 has significantly worse FPS than 2020. While the same scenario and “better graphics settings” in 2020 gives around 60-70 fps with default aircraft in VR, 2024 results in around 20-35 fps.

Placing the addons back into the community folder does nothing unless I choose a 3rd party aircraft/scenery which the fps really becomes unbearable. It is to be expected that there is a decrease in performance when using 3rd party addons, so the reduction when using them in-game is not an issue.

Removing all addons within the community folder does nothing to the fps either in VR or flatscreen.

FREQUENCY OF ISSUE

100% of the time. The FPS refuses to exceed 35 fps, but mainly stay between 20-35 depending on scenery and aircraft used.

REPRODUCTION STEPS

  1. Just start a flight and enter VR-mode.

YOUR SETTINGS

What peripherals are currently plugged in, as well as your VR headset? Please name all of them as there could be a potential conflict.

Pimax Crystal Light
Ryzen 9800x3d
RTX3900ti
64gb ram

[PC Only] Are you using Developer Mode or have you made any changes to it?
I have developer mode activated to show the FPS Debug

[PC, MSFS 2020 Only] Are you using DX11 or DX12?
DX11 in 2020.

[END OF FIRST USER REPORT]


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Same here, I always get half the FPS and three times more latency using MSFS 2024 instead of 2020 all else equal. I have a 9800X3D, RTX 5080, 65GB RAM.