VARIABLE REFRESH RATES (VRR)

March 28, 2022

Google is said to be testing support for variable refresh rates (VRR) in the Chrome OS 101 Dev Channel, according to a report by About Chromebooks. The feature could improve gaming experience on Chromebooks.

About:

  • Refresh rate is the number of times a display is capable of refreshing in a second.

  • It is measured in hertz (Hz). So, a 30 Hz or a 60 Hz display can refresh 30 or 60 times per second, respectively. The higher the refresh rate, the better the quality of viewing experience.

  • Displays with over 120 Hz can deliver a smoother and more comfortable viewing experience. This is necessary while playing video games or watching videos.

  • VRR supports a wide range of refresh rates, allowing its refresh rate to change in real-time based on the frames-per-second (FPS) rate coming from a source device such as a gaming console.

  • VRR is also termed as dynamic refresh rate or adaptive refresh rate by different device makers.

  • VRR is designed to eliminate syncing issues that arise when the refresh rate of a display does not match with the FPS of the content from a source device. Issues such as screen-tearing, judder (wobbling effect) and lag are common when refresh rate and FPS are not synchronised.

Source : The Hindu