The best 4k OLED gaming TV that we've tested so far is the LG CX. It delivers stunning picture quality, as it's able to produce perfect blacks by turning pixels off completely, making it a fantastic choice for dark room gaming. It has wide viewing angles, it gets bright enough to overcome glare easily, and it has exceptional reflection handling. Its out-of-the-box color accuracy is impressive, and its wide color gamut helps deliver HDR content with vibrant and saturated colors.

Its motion handling is truly outstanding. It has a native 120Hz refresh rate that makes motion look incredibly smooth, a near-instantaneous response time that results in almost no motion blur in fast-moving scenes, and an optional Black Frame Insertion feature to further improve clarity. It supports FreeSync to reduce screen tearing, and it's certified to be compatible with NVIDIA's G-SYNC. It has an 'Auto Low Latency Mode' that detects when a game is launched from a compatible device and automatically switches the TV to 'Game' mode, saving you the hassle of having to do it manually each time.

Unfortunately, OLEDs are susceptible to permanent burn-in, which occurs when static elements are displayed for an extended period, such as a channel logo or a video game's user interface. That said, it shouldn't be an issue for most people who watch varied content. Most resolutions are supported, and it can display proper chroma 4:4:4, which is great for gaming on a PC. All in all, this is the best OLED TV for gaming that we've tested so far.