I personally prefer turning VSync off while playing fast-paced competitive FPS games like Apex Legends or Valorant, in which I can't risk experiencing input lag or other system performance issues. I recommend enabling VSync in single-player and other casual games, though, as they don't depend...
This however, causes Input lag, meaning your inputs dont appear on screen as fast as "instant" G sync uses proprietary firmware (nvidia claims) to get the same effect of reducing screen tearing to non existant, while not affecting input lag as much. If you're not playing fast paced ...
When a computer needs to display something on a monitor, it draws a picture of what the screen is supposed to look like and sends this picture (which we will call a buffer) out to the monitor. In the old days there was only one buffer and it was continually being both drawn to and ...
The VSYNC ON appearance can be successfully simulated by raster-synchronized VSYNC OFF, if you have access to the position of the real-world raster (or have access to a VSYNC heartbeat and can extrapolate time between them — useful for platforms that only gives you access to VBI timing)....
(meaning 95% of 1/60sec for 60Hz would be a display scanning out).NOTE: Optionally, to improve accuracy, you can dejitter. Use a trailing 1-second interval average to dejitter any inaccuracies (they calm to 1-scanline-or-less raster jitter), ignore all outliers (e.g. missed VSYNC time...