SU 12 DLSS3 Frame Generation Bad Performance

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Are you using Developer Mode or made changes in it?

No

Have you disabled/removed all your mods and addons?

Yes
Brief description of the issue:
when i active Frame Generation my FPS drops to 30 or less and when i look around everything is stutter but when is use DLSS with Directx 11 everythin is smooth at 60 FPS.

Provide Screenshot(s)/video(s) of the issue encountered:

DLSS+DX11:
Dropbox - DLSS+D11.mp4 - Simplify your life
DLSS+FG+DX12:
Dropbox - DLSS+FG+D12.mp4 - Simplify your life

Detailed steps to reproduce the issue encountered:

Many issues may be due to an outdated graphics card. Please state your Graphics Card Driver Manufacturer (NVIDIA, Intel, AMD) and Version (Learn how to find your current graphics card driver version):

RTX 4070 TI (Current Driver)

PC specs and/or peripheral set up if relevant:

11900K at 5.3 Ghz.
RTX 4070 TI
32 GB DDR4
1080P upscaled to 4K 60 Hz.
SSD.

Build Version # when you first started experiencing this issue:

SU12


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Do you have the same issue if you follow the OP’s steps to reproduce it?

Provide extra information to complete the original description of the issue:

I tried the following but the result is the same with DLSS+FG+DX12 :
Update bios.
Update nvidia drivers.
I made a clean installation of nvidia drivers.
Update Windows 10 to Windows 11.
Restart to default settings on MSFS 2020 and Nvidia control panel.
Delete Rolling Cache.

If relevant, provide additional screenshots/video:

DLSS+DX11:
Dropbox - DLSS+D11.mp4 - Simplify your life
DLSS+FG+DX12:
Dropbox - DLSS+FG+D12.mp4 - Simplify your life

Generated frames dont show up with the internal frame counter. It shows only half of what you are getting so in your clip you are actually getting 60fps. Have you locked to 60 or are you using any form of synching?

If you want to see full FG frames you need to use something like Riva Tuner