https://www.pcgamer.com/aoc-launches-165hz-g-sync-and-144hz-freesync-hdr-monitors-starting-at-dollar499/ > AOC today bolstered its Agon 3 gaming monitor series with a couple of new models, one with G-Sync support (AG273QCG) and one with FreeSync 2 HDR support (AG273QCX). > Both are 27-inch monitors, each serving up a 2560x1440 (QHD) resolution on a curved panel, and both support HDR content. However, there are a couple of key differences.