LG OLED B4 vs LG OLED B8

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OLED B4 compared with OLED B8

	LGOLED B4	LGOLED B8
Overview
Released
Released	March 2024	2018
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit 4K OLED with pixel dimming	–
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, HLG
HDR extras
HDR extras	–	Advanced HDR by Technicolor also supported
Picture processing
Picture processing	AI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode	4K Upscaler, adaptive colour enhancement, noise reduction and enhanced dynamic tone mapping
Picture modes
Picture modes	Personalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes	–
Motion handling
Motion handling	Native 120Hz panel; OLED Motion and HDMI 4K 120 fps input	Native 120Hz panel with motion interpolation and Motion Pro black-frame insertion (RTINGS). HDMI does not accept 4K at 120Hz; What Hi-Fi? reports internal HFR playback cannot combine HFR with HDR on the α7 processor.
Sizes
Sizes
Sizes	48, 55, 65, 77″	55, 65″
Largest size
Largest size	77″ (better)	65″
Gaming
HDMI ports
HDMI ports	4 (all HDMI 2.1 at 4K 120 Hz+) (better)	4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync Premium, G-Sync Compatible	None
Auto low latency mode
Auto low latency mode	Yes	–
HDMI detail
HDMI detail	Four inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3	Four HDMI 2.0 inputs, one rear and three side; ARC on HDMI 2. No full-bandwidth HDMI 2.1 input (What Hi-Fi?).
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	Game picture mode; no variable refresh rate (RTINGS)
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α8 AI Processor 4K	α7 Intelligent Processor
Speakers
Speakers	20 W, 2.0 channels	–
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	–
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.1	4.2
Speaker detail
Speaker detail	Down-firing 2.0-channel speakers	UK PLA models: 40 W 2.2-channel system with two woofers; UK SLC models: 20 W 2.0-channel system. Both are down-firing.
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	Clear Voice III, One Touch Sound Tuning, adaptive sound control and DTS decoding
Voice assistants
Voice assistants	Built-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by country	UK Google Assistant requires software update and is unavailable in the Republic of Ireland; compatible Google Home and Alexa devices sold separately, with the same stated regional restriction
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.	LG's 2018 lineup announcement confirms the B8 series; an exact earliest on-sale month was not established, so release retains year precision.
TV tuners
TV tuners	–	UK DVB-T2/C/S2
USB
USB	Two USB 2.0 ports	Three USB ports, two rear and one side
Ethernet
Ethernet	Ethernet LAN port	Ethernet LAN port
Optical audio out
Optical audio out	One optical digital audio output	Optical digital audio output and headphone output on UK models
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	Without stand (W × H × D): both 55″ variants 1228 × 707 × 47 mm; both 65″ variants 1449 × 831 × 47 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.	PLA Alpine stand versus SLC Crescent stand (LG confirmation in What Hi-Fi?). With stand (W × H × D): 55″ PLA 1228 × 752 × 220 mm; 55″ SLC 1228 × 776 × 319 mm; 65″ PLA 1449 × 876 × 220 mm; 65″ SLC 1449 × 901 × 319 mm.
VESA pattern
VESA pattern	300 × 200 mm across these UK sizes	300 × 200 mm for both sizes and variants
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	MR18 Magic Remote, two AA batteries and attached power cable