LG OLED B5 vs LG SIGNATURE OLED W8

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OLED B5 compared with SIGNATURE OLED W8

	LGOLED B5	LGSIGNATURE OLED W8
Overview
Released
Released	March 2025	2018
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit 4K OLED with pixel dimming	Picture-on-Wall OLED screen with a separate soundbar/control unit
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	–
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HLG
HDR extras
HDR extras	–	LG also lists Advanced HDR by Technicolor; HDR10 Pro and HLG Pro name LG's processing, not HDR10+ support
Peak brightness
Peak brightness	–	Computer Bild measured around 730 cd/m² on its 65-inch W8; this is a review measurement, not an LG claim
Picture processing
Picture processing	AI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode	The α9 processor provides LG's Quad Step Noise Reduction, Object Depth Enhancer, 4K Upscaler 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	–
Sizes
Sizes
Sizes	48, 55, 65, 77, 83″	65, 77″
Largest size
Largest size	83″ (better)	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, with ARC on HDMI 2, are housed in the separate soundbar/control unit; no external 4K 120 Hz HDMI input
Variable refresh range
Variable refresh range	LG specifies VRR up to 120Hz	–
Game features
Game features	Game Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz	The 2018 W8 can show high-frame-rate content from its built-in apps, but has no HDMI 2.1 or external 4K 120 Hz input
Cloud gaming
Cloud gaming	Xbox Cloud Gaming requires internet, Game Pass Ultimate and a compatible Bluetooth controller; available in supported regions including the UK. App and service availability varies by country.	–
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α8 AI Processor 4K Gen2	α9 Intelligent Processor
Speakers
Speakers	20 W, 2.0 channels	60 W, 4.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	–
Wi-Fi
Wi-Fi	Wi-Fi 6	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.3	4.2
Speaker detail
Speaker detail	Down-firing 2.0-channel speakers	Separate 60 W, 4.2-channel speaker/control unit with two woofers accounting for 20 W. LG lists the 77-inch unit at 13.1 kg; no 65-inch unit weight is stated on the UK sheet.
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	Dolby Atmos, Dolby Surround, LG Sound Sync and One Touch Sound Tuning
Voice assistants
Voice assistants	LG intelligent voice recognition and Voice ID; AI Search, AI Chatbot, AI Concierge and picture/sound wizards; regional language and account restrictions apply	UK LG sheet says built-in Google Assistant required a software update and was unavailable in the Republic of Ireland; Google Home and Alexa compatibility required separate devices
Casting
Casting	Google Cast, Apple AirPlay, Apple Home, ThinQ remote app and Multi View	Wi-Fi Direct on both UK sizes; Miracast and WiDi listed for the 77-inch model by LG Hungary
Software updates
Software updates	webOS 25; webOS Re:New supports upgrades for up to five years, varying by model and region, with security support through 31 December 2029. LG Australia's March 19, 2025 launch confirms local availability and lists 48/55/65-inch B5 availability that day. Release records the first confirmed series month; LG's May 12 US release lists 55/65/77-inch models available now and the 83-inch model for preorder. TechRadar's July/August regional date does not override the earlier maker evidence.	webOS 4.0 with Magic Remote and ThinQ AI. Exact first on-sale month was not verified, so release uses year precision.
TV tuners
TV tuners	DVB-T/T2, DVB-C and DVB-S/S2. LG specifies the CI slot is excluded for the UK and Ireland.	UK 65 and 77-inch sheets list twin DVB-T2/C/S2 reception
USB
USB	Two USB 2.0 ports	Three USB ports on both UK sizes
Ethernet
Ethernet	Ethernet LAN port	One LAN input on both UK sizes
Optical audio out
Optical audio out	One optical digital audio output	Optical digital audio output on both UK sizes
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; 83″ 1842 × 1055 × 52.9 mm	Display only (W × H × D): 65W8PLA 1446 × 823 × 3.85 mm; 77W8PLA 1721 × 989 × 5.96 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; 83″ 1842 × 1144/1084 × 300 mm, 27.7 kg (two published stand heights). Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm; 83″ 1477 × 300 mm.	Wall mounting required. The separate soundbar/control unit measures 1260 × 78 × 198 mm for 65W8PLA and 1460 × 84 × 208 mm for 77W8PLA.
VESA pattern
VESA pattern	48/55/65/77″ 300 × 200 mm; 83″ 400 × 400 mm	–
Power use
Power use	Under 0.5 W standby; 100–240 V AC, 50–60Hz supply	Both UK models list under 0.5 W standby
In the box
In the box	Magic Remote MR25GA / MR25GB (UK and Italy) and attached power cable; TechRadar distinguishes the UK remote with AI button from the streamlined US remote	Magic Remote and two AA batteries on both UK sizes