Question Why is my refresh rate dropping during gaming?

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silve123

Jun 4, 2022
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Hi everyone,
Yesterday I've recived my new monitor (Gigabyte G24F) and I've noticed that something is not right. While I'm not playing my monitor shows me full 170Hz but whenever I'm running any game refresh rate is dropping. For example - now Im playing The Witcher 3 and my monitor is capped to 83 Hz (additionaly I have around 90 FPS there). I also noticed that my refresh rate depends on how many FPS I have in games. Is it a normal thing or is it some kind of issue?
Can I fix it somehow?
 
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Lutfij said:
Welcome to the forums, newcomer!

Make and model of your GPU? Make and model of your PSU and it's age? Have you tried reinstalling your GPU drivers, after using DDU to rid your former GPU drivers?
Click to expand...

GPU: NVIDIA GeForce RTX 2060 (bought aprox 5 months ago)
PSU: be quiet! Pure Power 10 600W (BN278) (bought 2018-06-19)

I havent tried this method for now, cause I did it like 2-3 months ago, but maybe I need to do it this night.
 
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silve123 said:
GPU: NVIDIA GeForce RTX 2060 (bought aprox 5 months ago)
PSU: be quiet! Pure Power 10 600W (BN278) (bought 2018-06-19)

I havent tried this method for now, cause I did it like 2-3 months ago, but maybe I need to do it this night.
Click to expand...
Okay so I did as u said but that changed nothing. Reinstalling drivers didnt help and my Hz still drops down depending on my FPS amount. Maybe its normal thing for this monitor or something? I don't really know.
 
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silve123 said:
That make sense. But is there any way to make it pemanent on 170 Hz in game or is it impossible/unnecessary?
Click to expand...
As you use an NVidia gpu you just need to disable G-Sync in GeForce control panel. This way you can try with and without variable refresh rate. If you want to find out more about the benefits and limitations of variable refresh rates then you can Google G-Sync, Freesync and VRR.
 
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Gsync aids in a smoother experience with fps discrepancies. Unless you lower details to attain higher fps or get a faster graphics card matching the refresh rate capabilities of the monitor, you would prefer seeing what your gpu is actually rendering on screen than forcing a fixed Hz anyway because you won't see 170Hz unless fps is up there as well. Least with Gsync your frames won't be out of sync being in middle'ish of the monitor's refresh range limiting screen tear and micro stutter.

Fyi, cpu also plays a role in fps outcome, ram speed too, as both coincides gpu potential. Frames are first drawn from cpu then gpu renders. The gpu can only work as fast as the cpu can provide it. There's more to it than that but it's the gist of it. More taxing a game is cpu resource wise, ai, physics, sound, multi player etc, the more cpu power you would want trying to achieve high fps especially when pairing with a top end gpu. This is obviously game dependent and some will run better than others, just depends on age of the game and optimisation.
 
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Note that G-Sync/FreeSync by itself doesn't eliminate screen tearing completely. All it does is force the V-blanking interval to match the frame time. If you're still using a double-buffered system (which is the norm if you're using fullscreen exclusive) and the next frame completes while the display is in the middle of displaying the current frame, it'll still swap.

You have to enable V-Sync with either option to go completely tear-free. V-Sync forces the video card to not swap until the next V-blanking period, but G-Sync/FreeSync adjusts the interval so it comes sooner.
 
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