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VSync on or off?

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Joined
2 Jul 2021
Posts
256
Location
United Kingdom
Hi everyone, my graphics card has GSync, but on a game I'm playing I notice in the setting there is VSync. My rig is an i9 and 4070 GPU with a 244hz 2560 x 1600 display. I note that when turning off VSync on a particular game it is a lot less jerky. Why is this? Is it better to leave it turned off or is it on a game by game basis?

Cheers!
 
If G-Sync is enabled in the nVidia control panel (you'll need it enabled for fullscreen and windowed games for many games which use borderless fullscreen modes) then V-Sync in theory only kicks in when the frame rate output exceeds your monitor refresh rate, at which point G-Sync no longer prevents tearing (at least not without other options). Using V-Sync + G-Sync will mean the frame rate will always be limited to the max G-Sync range. You can also play around with the low latency mode to compensate for latency when V-Sync kicks in with G-Sync enabled.

In some games G-Sync might not be working correctly and enabling V-Sync will revert to old V-Sync behaviour.
Thank you. On Nvidia control panel it says ‘let each application decide’ for GSync. So it’s okay to turn off VSync? I’ve noticed much better gameplay experience with it off, but that may be because GSync works instead?
 
Scratch that, the above is for VSync, it says let each application decide. I am using automatic select under Nvidia control panel, so GSync only works when I select Nvidia GPU display only. I'm a bit of a noob when it comes to things like this.
 
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The amount of time spent researching this, with so little information. What I found works best for me, Nvidia control panel, "low latency mode" set to "Ultra", "Max frame rate" set to 3 frames below your maximum, which is "241". That way you never use V-sync, it wont be jumping between V-sync and G-sync, smooth as silk
Thank you, really helpful! I’m still trying to understand why some games triggers a display change and can edit lots of settings in Nvidia control panel like Gsync, and why other games just load using the Nvidia GPU where I can’t change resolution or Gsync settings.
 
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