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This feature will help extend battery life on Windows 11

Thursday, July 1, 2021 06:42 AM (GMT+7)

In the Windows 11 update, Microsoft has added a Dynamic Refresh Rate (DRR) feature, which automatically changes the refresh rate of the screen to extend laptop battery life.

Most of today’s high-end laptop models are equipped with screens with a refresh rate of 120 Hz, which helps display smoother images when watching movies, listening to music, etc. However, using the screen has a higher refresh rate. High refresh rate will affect battery life on laptops, that’s why Microsoft introduced Dynamic Refresh Rate (DRR) feature.

Like the Variable Refresh Rate (VRR) technology on smartphones, the DRR feature will allow the laptop to automatically switch between 60 Hz and 120 Hz (or higher) refresh rates to save battery.

“When you open common tasks like reading emails, Windows 11 automatically switches to a 60 Hz refresh rate,” explains Microsoft graphics program manager Ana Marta Carvalho. Conversely, for creative work, the laptop will switch to the highest possible refresh rate.”

Note, DRR will not work in games because in-game frame rates (FPS) can fluctuate depending on computer performance, and are often pre-programmed by developers or users. Additionally, when the refresh rate and FPS don’t match, you’ll experience screen tearing, an issue that’s usually resolved with VRR FreeSync or G-Sync technology.

It is expected that Microsoft will launch the DRR feature in the upcoming Windows 11 update. To use it, you need a laptop with a refresh rate of 120 Hz or higher, plus the WDDM 3.0 driver.

This is an exclusive feature of Windows 11 and it will not be available on computers running Windows 10.


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