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High FPS, High HZ but Screen Tearing? Help!!

 
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post #1 of 4 (permalink) Old 05-14-2019, 09:07 AM - Thread Starter
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High FPS, High HZ but Screen Tearing? Help!!

Hi guys ive been getting this really weird issue and im really unsure if its related to my monitor or GPU

I am using a dell 24" 1440p monitor with 144HZ + RTX2080ti

On most games like PUBG, Insurgency Sandstorm etc i am getting FPS between 140-160 on ultra settings

However when my FPS drops to 90-100, i start experiencing some really bad tearing / micro stuttering (honestly i dont know what its called) when moving my mouse like its very jittery unless i scale my game to 4k resolution or with 2x supersampling then it becomes smooth but most games dosent allow that

I am aware that if your FPS is way higher than your refresh rate, there will be tearing. In some case, does lower FPS then HZ also make your screen tear?

So i adjust my refresh rate to 165hz (build in overclock in my monitor) and i get less jittery camera but still noticeable.

previously with my RTX2070 card i didnt experience this even with 80-90FPS with my 144hz monitor only after changing to a rtx2080ti.

Any idea why

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post #2 of 4 (permalink) Old 05-14-2019, 09:16 AM
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Anytime the framerate is not a direct ratio of the refresh rate you will get tearing. On a 60hz monitor if you run around 45 fps you will notice quite a lot of it. I normally set a limit on my fps at 100% or 50% of refresh rate. That gets rid of all tearing as the screen is either being redrawn every refresh or every other refresh.

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post #3 of 4 (permalink) Old 05-14-2019, 09:48 AM
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you need Freesync / Gsync, or Vsync...
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post #4 of 4 (permalink) Old 05-16-2019, 11:12 AM
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As above are you using VRR or not? If not then you will always get tearing unless you like to use Vsync or Fast/EnhancedSync which both add lag and stutter. You could also be using Ssync from RTSS but from my experience it adds lag too.
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