LG OLED B6 vs LG OLED GX

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OLED B6 compared with OLED GX

	LGOLED B6	LGOLED GX
Overview
Released
Released	March 2026	April 2020
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	WOLED	Self-lit OLED panel in LG's Gallery chassis, supplied with a flush wall mount
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10	Dolby Vision, HDR10, HLG
HDR extras
HDR extras	–	Dolby Vision IQ, LG HDR10 Pro processing and Filmmaker Mode; no HDR10+ claim
Screen finish
Screen finish	Glossy	–
Peak brightness
Peak brightness	695 nits in HDR on a 10% window, 65″ (Tom's Guide)	–
Picture processing
Picture processing	AI HDR Remastering	AI Picture Pro, AI Upscaling, AI Brightness and HDR Dynamic Tone Mapping Pro
Picture modes
Picture modes	Ambient FILMMAKER MODE	Ten modes including Filmmaker, Cinema, Game and ISF Expert bright and dark room
Motion handling
Motion handling	–	OLED Motion Pro, with 4K high frame rate support; LG Switzerland's exact OLED55GX6LA specification describes a 100/120 Hz native panel
Sizes
Sizes
Sizes	48, 55, 65, 77, 83″	55, 65, 77″
Largest size
Largest size	83″ (better)	77″
Gaming
HDMI ports
HDMI ports	4 (all HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, G-Sync Compatible, FreeSync Premium	HDMI VRR, FreeSync, G-Sync Compatible
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	4K 120 Hz on all four ports; eARC on one	Four HDMI 2.1 inputs; 4K 120 Hz input and eARC on HDMI 2
Game features
Game features	Up to 4K 120 Hz; G-SYNC Compatible, FreeSync Premium, VRR; Bluetooth Ultra Low Latency controllers (under 2.5 ms)	HDMI VRR, ALLM, G-SYNC Compatible, FreeSync and HGiG. LG's current UK GX6LA specifications list FreeSync; launch-era review coverage described it as pending a software update.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	alpha 8 AI Processor 4K Gen3	α9 Gen3 AI Processor 4K
Speakers
Speakers	–	60 W, 4.2 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
DTS:X
DTS:X	No	–
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	–	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	–	5.0
Speaker detail
Speaker detail	–	Down-firing 60 W, 4.2-channel system with a 20 W woofer on all three UK size specifications
Audio features
Audio features	Virtual 11.1.2 ch, AI Object Remastering Pro, Dolby Atmos	AI Sound Pro, AI Acoustic Tuning, Clear Voice IV, LG Sound Sync and WiSA speaker support
Voice assistants
Voice assistants	–	LG ThinQ AI, Google Assistant and Amazon Alexa built in
Casting
Casting	–	Apple AirPlay 2 and HomeKit, Screen Share and DIAL
Software updates
Software updates	webOS 26; webOS Re:New Program upgrades for up to 5 years	webOS 5.0. LG UK's rollout table scheduled 55- and 65-inch models for the week beginning 6 April 2020 and the 77-inch for the week beginning 11 May; an exact first retail day was not verified.
TV tuners
TV tuners	–	UK DVB-T2/T, DVB-C and DVB-S2/S with two RF inputs and CI slot
USB
USB	–	Three side USB ports
Ethernet
Ethernet	–	One LAN port
Optical audio out
Optical audio out	–	One optical digital audio output; shared headphone and line output also listed
Design and power
Size
Size	–	Without stand (W × H × D): 55-inch 1225 × 705 × 23.1 mm; 65-inch 1446 × 829 × 19.9 mm on LG UK specifications
Stand
Stand	–	Flush wall mount included; table stand is an optional purchase. LG lists TV-plus-stand weights of 22, 30.5 and 40.2 kg respectively.
Power use
Power use	–	Under 0.5 W standby on LG UK specifications
In the box
In the box	–	Flush wall mount and Magic Remote; table stand is not included