VSync ensures your GPU or video output matches your display’s refresh rate. While this can limit your FPS and increase input latency, VSync also eliminates screen tearing and some forms of stutter.
Video games commonly have a toggle in their graphics settings called VSync. But what does VSync do, and should you enable it? We’ll explore the pros and cons of VSync technology to help you decide when it’s the best option.
What Is VSync?
VSync (short for vertical synchronization) is a technology used in displays and graphics cards to synchronize the display’s refresh rate with the graphics card’s frame rate. This ensures that each video frame is displayed on the screen at the correct time without tearing or stuttering.
When the refresh rate and frame rate are not in sync, the display may show part of one frame and part of another frame simultaneously, resulting in a torn image. This can happen when the frame rate is higher than the refresh rate, causing the display to show multiple frames at once, or when the refresh rate is higher…
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