来自MSN

This one TV feature matters more than having the fastest refresh rate

Variable refresh rate (VRR) technology forces a TV to match the frame/refresh rates of connected media sources, such as consoles, PCs, and media streamers. When there's a mismatch, fixed refresh rates ...
PC World

How to prevent screen flickering when playing games

“Variable Refresh Rate” (VRR) technology like G-Sync and FreeSync dynamically adjusts the refresh rate of your monitor to the frame rate of the game, but they can sometimes cause undesirable side ...