Hands-On: AMD FreeSync vs. G-Sync — Adaptive Refresh Rate Battle Gets Real

GamersNexus: "Last seen at CES 2014, AMD's FreeSync demo went live shortly after nVidia's fanfare about G-Sync, a technology we overviewed here (read this content if you're unfamiliar with frame synchronization). FreeSync and G-Sync are both adaptive refresh rate technologies that effectively ensure the display slaves to the GPU, allowing for a smoother frame output by eliminating both tearing and stuttering (V-Sync on)."