A:Answer The LG 82 inch Class 4K Smart UHD TV w/ AI ThinQ® (81.5'' Diag), Model # 82UM8070PUA has a 120Hz refresh rate, but it doesn't support any of the variable refresh rate technologies, like FreeSync or HDMI-Forum's VRR. It has has a remarkably low input lag which makes it a great choice for gaming. It supports Auto Low Latency Mode (ALLM). The TV has an input lag of 15 ms for 1080p @ 60Hz, 15.1 ms for 1440p @ 60 Hz, 14.8 ms for 4k @ 60 Hz, 15.1 ms for 4k @ 60 Hz + 10 bit HDR, 14.9 ms for 4k @ 60 Hz @ 4:4:4, 7.9 ms for 1080p @ 120 Hz, and 7.9 ms for 1440p @ 120 Hz. These input lag measurements are with Game Mode on...^IFV