LG OLED B4 vs LG OLED B6

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OLED B4 compared with OLED B6

	LGOLED B4	LGOLED B6
Overview
Released
Released	March 2024	March 2026
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit 4K OLED with pixel dimming	WOLED
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10
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 Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode	AI HDR Remastering
Picture modes
Picture modes	Personalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes	Ambient FILMMAKER MODE
Motion handling
Motion handling	Native 120Hz panel; OLED Motion and HDMI 4K 120 fps input	–
Sizes
Sizes
Sizes	48, 55, 65, 77″	48, 55, 65, 77, 83″
Largest size
Largest size	77″	83″ (better)
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, FreeSync Premium, G-Sync Compatible	HDMI VRR, G-Sync Compatible, FreeSync Premium
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3	4K 120 Hz on all four ports; eARC on one
Variable refresh range
Variable refresh range	LG specifies 40–120Hz	–
Game features
Game features	Game Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz	Up to 4K 120 Hz; G-SYNC Compatible, FreeSync Premium, VRR; Bluetooth Ultra Low Latency controllers (under 2.5 ms)
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α8 AI Processor 4K	alpha 8 AI Processor 4K Gen3
Speakers
Speakers	20 W, 2.0 channels	–
Dolby Atmos
Dolby Atmos	Yes	Yes
DTS:X
DTS:X	–	No
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5	–
Bluetooth
Bluetooth	5.1	–
Speaker detail
Speaker detail	Down-firing 2.0-channel speakers	–
Audio features
Audio features	α8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channels	Virtual 11.1.2 ch, AI Object Remastering Pro, Dolby Atmos
Voice assistants
Voice assistants	Built-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by country	–
Casting
Casting	Apple AirPlay 2, ThinQ remote app and Multi View	–
Software updates
Software updates	webOS 24; LG states four upgrades over five years with regional scheduling differences and security support through 31 December 2028. LG Australia's March 2024 launch notice confirms the range available now and lists 55/65-inch B4 March availability; release records that first confirmed series month, not a universal UK size-specific date.	webOS 26; webOS Re:New Program upgrades for up to 5 years
USB
USB	Two USB 2.0 ports	–
Ethernet
Ethernet	Ethernet LAN port	–
Optical audio out
Optical audio out	One optical digital audio output	–
Design and power
Size
Size	Without stand (W × H × D): 48″ 1070 × 620 × 45.9 mm; 55″ 1228 × 708 × 45.9 mm; 65″ 1449 × 832 × 45.9 mm; 77″ 1719 × 989 × 50.9 mm	–
Stand
Stand	With stand (W × H × D; weight): 48″ 1070 × 684 × 235 mm, 11.7 kg; 55″ 1228 × 772 × 235 mm, 14.5 kg; 65″ 1449 × 896 × 235 mm, 17.3 kg; 77″ 1719 × 1057 × 319 mm, 23.5 kg. Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm.	–
VESA pattern
VESA pattern	300 × 200 mm across these UK sizes	–
Power use
Power use	Under 0.5 W standby; 100–240 V AC, 50–60Hz supply	–
In the box
In the box	Magic Remote MR24, two AA batteries and attached power cable	–