LG OLED B4 vs LG OLED C8

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OLED B4 compared with OLED C8

	LGOLED B4	LGOLED C8
Overview
Released
Released	March 2024	March 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	Quad Step noise reduction, 4K Upscaler, adaptive colour enhancement 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	120Hz panel with interpolation to 120fps (RTINGS); 4K HDMI input is limited to 60Hz. OLED Motion black-frame insertion is available.
Sizes
Sizes
Sizes	48, 55, 65, 77″	55, 65, 77″
Largest size
Largest size	77″	77″
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 inputs, one rear and three side; ARC on HDMI 2. No HDMI 2.1 or VRR support (RTINGS).
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	α9 Intelligent Processor
Speakers
Speakers	20 W, 2.0 channels	40 W, 2.2 channels (better)
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	Two woofers; front-firing with stand and down-firing without stand
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, adaptive sound control and DTS decoding. RTINGS confirms Dolby Atmos over Dolby Digital Plus through ARC, but not Dolby TrueHD Atmos passthrough.
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 US launch release schedules the 55″ and 65″ for the week of 19 March 2018 and the 77″ for April; release uses month precision, not an inferred first delivery day.
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): 55″ 1228 × 707 × 47 mm; 65″ 1449 × 831 × 47 mm; 77″ 1722 × 991 × 56 mm. Exact LG Poland and Ukraine PLA sheets supply the 77-inch measurements.
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.	With stand (W × H × D): 55″ 1228 × 757 × 230 mm; 65″ 1449 × 881 × 230 mm; 77″ 1722 × 1052 × 253 mm
VESA pattern
VESA pattern	300 × 200 mm across these UK sizes	55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mm
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