Type
4K OLED
Screen Size
55"
Resolution
3840 x 2160
Wide Viewing Angle
Yes
Color / Wide Color Gamut
Perfect Color
Color display bits / Billion Rich Colors
Yes
Contrast / Perfect Black
Perfect Black
Contrast / Dimming
Pixel Dimming
Contrast / Ultra Luminance
Ultra Luminance Pro
Motion / Refresh Rate
Refresh Rate 120Hz
Main Processor (SoC)
α9 Gen4 AI Processor 4K (O20)
Operating System (OS)
webOS Smart TV
Number of CPUs
Built-In
AI Picture / Pro
AI Picture Pro
AI Upscaling
AI Upscaling
Auto Genre Selection
Yes (SDR/HDR/Dolby HDR)
Image Enhancing
Image Enhancing on SQM
AI Brightness Control
Yes
HDR
Cinema HDR
Dolby Vision IQ
Yes/Yes/Yes (4K/2K)
HDR10 Pro
Yes/Yes/Yes/Yes (4K/2K)
HLG
Yes/Yes/Yes/Yes (4K/2K)
FILMMAKER MODE™
Yes
Dynamic Tone Mapping / Pro (+ AI HDR Tone Mapping)
HDR Dynamic Tone Mapping Pro(+ AI HDR Tone Mapping)
4K HFR
Yes/Yes
2K HFR
Yes/Yes
Motion Pro
OLED Motion Pro
Upscaler
4K Upscaler
HEVC
4K@120p,10bit
VP9 (Video Decoder)
4K@60p, 10bit
AV1 (Video Decoder)
4K@60p, 10bit
G-Sync Compatible
Yes
FreeSync Compatible
Yes
HGIG Mode
Yes
Instant Game Response (VRR/ALLM)
Yes/Yes
Picture Mode
Yes 9 modes(Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
Speaker (Sound Output)
40W (WF:20W, 10W per Channel)
Channel
2.2 ch
Direction
Front Firing
Simultaneous Audio Output
Yes (Optical Output or HP Support Model)
DOLBY ATMOS
Yes
AI Sound / Pro
AI Sound Pro
AI Acoustic Tuning
Yes
Surround mode => 21Y Spec Out
OLED Surround
Clear Voice
Clear Voice Pro
Bluetooth Surround Ready
Yes
WiSA Speakers
Yes (WiSA 2.1ch)
LG Sound Sync
Yes
Sound Share
Yes
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
Sound Mode Sync
Yes
Sound Alive
Yes
ThinQ
Yes
Intelligent Voice Recognition
Yes
Speech to Text
Yes
LG Voice Search
Yes
AI UX
Yes
AI Home
Yes
AI Recommendation
Yes
Intelligent Edit
Yes
Home Dashboard
Yes
Apple Homekit
Yes
Mobile Connectivity
Yes
Screen Share
Yes
ThinQ App
Yes
Airplay2
Yes
Next Picks (AI Channel)
Yes
Magic Explorer(AI Link)
Yes
Quick Access
Yes
Universal Control
Yes
360° VR Play
Yes
Related Content Search
Yes
Art Gallery
Yes
LG Store
Yes
DIAL
Yes
Web Browser
Yes
Music Player -> Media Player
Yes
TV On With Mobile
Yes
Wi-Fi TV On
Yes
Bluetooth Low Energy On
Yes
Network File Browser
Yes
Block access to harmful site
Yes
Hotel Mode
Yes
Sports Alert
Yes
Music Discovery
Yes
Digital TV Reception(Terrestrial,Cable,Satellite)
Yes
Terrestrial
DVB-T2
Cable
DVB-C
Satellite
DVB-S2
Analog TV Reception
Yes
Teletext Page
Yes
Teletext (Top/Flof/List)
Yes
[DVB] Subtitle
Yes
AD (Audio Description)
Yes
EPG (8days)
Yes
HDMI
1 (Rear)/3 (Side)
Simplink (HDMI CEC)
Yes
eARC / ARC (Audio Return Channel)
eARC (HDMI 2)
USB
2 (Rear)/1 (Side)
LAN
Yes (Rear)
RF In
2 (Side, RF/Sat)
SPDIF (Optical Digital Audio Out)
Yes (Rear)
Headphone out
Yes (Rear)
Line out
Yes (Rear, Headphone out common)
Wifi
Yes (802.11ac)
Bluetooth
Yes (V5.0)
Power Supply
AC 100~240V 50-60Hz
Standby Power Consumption
Under 0.5W
Energy saving Mode
Yes
Illuminance Green sensor
Yes
Energy Standard
Yes
Remote
MR21N
Battereis
Yes (AA x 2EA)
Power Cable
Yes (TV Attached)
Auto Calibration
Yes
Time Machine (DVR)
Yes
Digital Recording
Yes
Analog DVR
Yes
Time Shift
Yes
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