That is a very important point. I’ve adjusted the original post accordingly and also added some notes.
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Awesome, thanks for the report! I’m glad it works for you.
Just override it in the NVIDIA App specifically for MSFS 2024, like this:
Some people here advise restarting the PC before and after applying the change. And don’t forget — it will only work if your hardware can safely keep the FPS above your target.
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You are absolutely right. G-Sync was invented for precisely this reason: it is an excellent rescue mechanism when the hardware is unable to match the chosen settings. This is precisely the drawback of your approach. You always have to ensure that you stay above the desired FPS. For MSFS 2024, this requires high-end systems, which only a small minority of users have. However, your approach is not new - in the '90s and '00s, 20 years ago in the Stone Age of computer games - it was common to configure systems this way. Luckily, since 10 years it is not necessary any more.
System load is not always perfectly constant in computer games. The highly dynamic sceneries cause variations in the FPS. This is the usual case, not the unusual one. It is more or less impossible to choose settings that always guarantee a certain minimum FPS, and if you do, it causes you to reduce your settings to the point where the resulting visual quality is relatively poor.
Using G-Sync is particularly beneficial on non-high-end systems. I’m probably using higher settings than you on your 5090 and have a perfectly smooth user experience — at least as smooth as yours.
In my opinion, this drawback should be clearly stated at the beginning. Otherwise, this approach will lead to disappointment.
By the way, this picture clearly states, that your system is configured wrong. g-Sync and vSync are activated in the app settings, not globally. As stated several times, this will not work, and it is no surprise, that you have a bad user experience with g-Sync.
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Negative. With Multi Frame Generation (3x 4x) it is absolutely possible and together with disabling g-sync it almost completely solved my performance problems.
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Nothing personal or questioning your intentions, dear colleague in the skies. Maybe it’s because I’m already becoming “old school” at 51, but I don’t understand one thing: someone shares what works for them. How does it help the community to repeatedly persuade people who share positive results that they are wrong, that what they are happy with is not real, and that only one approach is correct and everyone should follow it?
After this philosophical question, let me comment on some statements that I personally consider incorrect or misleading.
First and foremost:
It is absolutely correct and intended to override G-Sync or V-Sync per application in the NVIDIA App. NVIDIA drivers explicitly support per-app overrides, and they work exactly as shown — which my MSFS screenshots with “Tearing forbidden” in the overlay clearly proved. Please provide an official link or evidence that this functionality does not work as designed.
Do you know that MSFS 2020/2024 includes architectural elements that can be traced back to FSX (2006) and even earlier versions from the 1990s? It is not a standard game and requires a special approach. That’s exactly why I would never auto-optimize it in the same way you do using the NVIDIA App. And let me add that the approach described in this thread is primarily not for casual gamers, but for seasoned simmers who know what they are doing.
Please respect that if something is not possible for you (due to your hardware or preferences), it doesn’t mean it is impossible for everyone. I currently have exactly 127 flight hours without dropping below my minimum FPS with G-Sync OFF — the best-ever flying experience in my 30+ years of flightsimming, period. Just today, I landed at Aerosoft EDDF 07L with the iniA350 without a single stutter at a beautiful 120 FPS. Why would I do or propose anything differently? Or are you going to say that what I and others here (and on other forums) report is not true?
You can check my settings in a post above and then skip the word “probably.” And this is exactly the problem — you are making too many assumptions without evidence.
It is stated there — both implicitly and explicitly. I have also adjusted the title accordingly:
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Hello all,
Just wanted to say thank you to @SBSx9 for sharing this! Can confirm that this worked absolutly brilliant on my system. Stutters are completly gone!
Only question that i have, why is the fps menu in the sim always red despite the fps?
My system is a 7800x3d, 5090, 64Gb Ram, 4k 144hrz LG Oled TV.
If anyone could explain the reason for this please do so 
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It has been mentioned already several times, that there is a bug in Win 11 preventing this option to work correctly. The links are already in the thread. It is very easy to proof. The difference is dramatically. You have to activate it globally.
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I’m following this topic out of curiosity as my new rig is coming in a few days, a Ryzen 9 9950X3D paired with a Nvidia 5080. Seems to be a lot of debate with G-Sync on/off, that frankly I’m confused with the techno-babble and reaching for my scotch while reading the thread. Guess it’s one of those your results may vary things.
Me too, GPU arriving in the coming week for a new (1st time) PC build. My head is spinning from the complexity of settings and advice.
Since it will be a new install, all settings will be their generic defaults, so I’ll screen shot everything to at least have a reference starting point.
Hello Paul, I’m glad it works for you – enjoy your 5090! Regarding the colors in the overlay, don’t worry, they were not designed with FG in mind.
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I would advise you to start with the default settings. SU3 is coming soon and will hopefully bring better overall performance. If you’re not happy after that, you can always start looking for ideas and try what works for you. Relax and look forward to your new rigs!
I have extensively tested all the combinations and for me, activating GSync is the best option to have excellent fluidity.
I still have some stutters and tearing when the framerate is low. By dint of testing, I noticed that GSync worked perfectly well above 60 fps but much less well below.
However, with the operating range of my GSync compatible screen which is 48hz - 144hz, it should also be perfect between 48 fps and 60 fps but this is not the case.
Either my screen is not a real 48hz-144hz but rather a disguised 60hz-144hz, or GSync is messing up below 60fps, at least at my place, that’s for sure…
Hello, are you frame generated? And which hardware?
Yes, frame gen x2 on Amd GPU.
No x3 or x4 to help me…
Mid level PC, not always capable of maintaining min 60fps on heavy areas… 
It seems that with AMD gpu’s, VRR works as expected and provides the smoothest gameplay. I did a test a few days ago when I read this thread with my AMD gpu and freesync 144Hz monitor. Freesync provided the smoothest gameplay with no impact to the cpu/gpu. I would expect this as freesync/G-sync are implemented in hardware.
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The same applies to nVidia cards.
Please post your results. I have a $$5080 and a Ryzen 7950 and I am CPU limited. Would be very interested. Have to dial back many settings to get smooth performance.
Sure, I can post my results after my rig arrives(hopefully Wednesday) and once I get everything all setup. Going to be a big change from my R9 3900xt and a 2080 super.