LG webOS TV User Manual

4K @ 100/120 Hz Support Format
Resolution Frame rate (Hz) Color Depth/Chroma Sampling
8 bit 10 bit 12 bit
3840 × 2160p
4096 × 2160p
50
59.94
60
YCbCr 4:2:0 YCbCr 4:2:0 YCbCr 4:2:0
YCbCr 4:2:2 YCbCr 4:2:2 YCbCr 4:2:2
YCbCr 4:4:4 YCbCr 4:4:4 YCbCr 4:4:4
RGB 4:4:4 RGB 4:4:4 RGB 4:4:4
100
120
YCbCr 4:2:0 YCbCr 4:2:0 YCbCr 4:2:0
YCbCr 4:2:2 YCbCr 4:2:2 YCbCr 4:2:2
YCbCr 4:4:4 YCbCr 4:4:4 -
RGB 4:4:4 RGB 4:4:4 -
1) Supported when HDMI ULTRA HD Deep Color is set to On.
2) Only some HDMI input ports are supported.
You can only change the settings of the HDMI IN you are watching at the time.
You can specify a different setting for each HDMI port.
Using Instant Game Response
Picture Additional Settings Instant Game Response
Set the HDMI port connected to the device to be On to enjoy games with the optimal
video for the game.
If the connected device does not support this function, it may not work properly.
Set the HDMI ULTRA HD Deep Color feature to On for the HDMI terminal connected to
the gaming device to enable Instant Game Response.
It works only when the Sound Sound Out is Internal TV Speaker/Audio Out
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LG webOS TV Specifications

General

Operating System	webOS
App Store	LG Content Store
Voice Assistant	Google Assistant, Amazon Alexa
Smart Remote	Yes (Magic Remote)
Screen Share	Miracast
RAM	Varies by model
Storage	Varies by model
Supported Resolutions	4K UHD (3840 x 2160), 8K UHD (7680 x 4320)
HDR Support	Dolby Vision, HDR10, HLG
Connectivity	Wi-Fi, Ethernet, Bluetooth
Ports	HDMI, USB, Optical Audio Out, Ethernet
Voice Control	Yes (via Magic Remote or compatible devices)