LG 2020 and 2021 OLED support Dolby Vision 4K@120Hz making it the first to fully support the Dolby Vision-enhanced Xbox Series X games console.
LG 2020 CX and GX OLED TVs will soon get an over-the-air update to enable Dolby Vision and 4K@120Hz over its HDMI 2.1 eARC ports.
The global update 04.30.XX will roll out over a couple of months. The TV will let you know when it is available. There is no news on whether this will roll out to some 2019 models with HDMI 2.1.
LG 2020 and 2021 OLED, QNED and selected NanoCell TVs have 40Gbps HDMI bandwidth, 4K@120Hz, 4:4:4@10-bit in PC mode with no chroma subsampling loss for image quality. It is not available on its A1 OLED.
Why are LG 2020 and 2021 OLEDs great gaming TVs?
First, it has a complete feature set of HDMI 2.1 – not a ramped-up HDMI 2.0 as found on several manufacturers 2021 models.
Second, It has a dedicated Game Optimiser dashboard that allows optimisation of all game settings.
VRR (variable refresh rate)
ALLM (auto low latency mode)
HGiG (HDR Gaming Interest Group) tone mapping to experience colours as the developer intended
1ms panel response time (4k@120Hz approx. 7ms)
Special modes for genres such as FPS, RPG and RTS
Toggle VRR, NVIDIA G-SYNC and AMD FreeSync technologies on and of
Black and White Stabiliser
Dolby Vision/Atmos and HDR10 support on a self-lit OLED panel