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LG OLED B3 vs LG SIGNATURE OLED W8

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LGOLED B3LGSIGNATURE OLED W8
Overview
ReleasedApril 20232018
Display
PanelOLEDOLED
Panel detail–Picture-on-Wall OLED screen with a separate soundbar/control unit
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz–
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–LG also lists Advanced HDR by Technicolor; HDR10 Pro and HLG Pro name LG's processing, not HDR10+ support
Peak brightness–Computer Bild measured around 730 cd/m² on its 65-inch W8; this is a review measurement, not an LG claim
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeThe α9 processor provides LG's Quad Step Noise Reduction, Object Depth Enhancer, 4K Upscaler and Enhanced Dynamic Tone Mapping
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.–
Sizes
Sizes55, 65, 77″65, 77″
Largest size77″77″
Gaming
HDMI ports4 (2 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleNone
Auto low latency modeYes–
HDMI detailFour HDMI inputs, with 4K 120Hz, VRR, ALLM and QMS on two; eARC on HDMI 3. RTINGS identifies the two 4K 120Hz inputs as HDMI 3 and 4.Four HDMI inputs, with ARC on HDMI 2, are housed in the separate soundbar/control unit; no external 4K 120 Hz HDMI input
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatibleThe 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
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 AI Processor 4K Gen6α9 Intelligent Processor
Speakers20 W, 2.0 channels60 W, 4.2 channels
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.04.2
Speaker detail20 W, 2.0-channel down-firing speakersSeparate 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 featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixDolby Atmos, Dolby Surround, LG Sound Sync and One Touch Sound Tuning
Voice assistants–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
CastingApple AirPlay 2Wi-Fi Direct on both UK sizes; Miracast and WiDi listed for the 77-inch model by LG Hungary
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027webOS 4.0 with Magic Remote and ThinQ AI. Exact first on-sale month was not verified, so release uses year precision.
TV tuners–UK 65 and 77-inch sheets list twin DVB-T2/C/S2 reception
USBTwo USB 2.0 inputsThree USB ports on both UK sizes
EthernetOne Ethernet inputOne LAN input on both UK sizes
Optical audio outOne optical digital audio outputOptical digital audio output on both UK sizes
Design and power
SizeWithout stand (W × H × D): 55″ 1228 × 708 × 46.9 mm; 65″ 1449 × 832 × 46.9 mm; 77″ 1723 × 992 × 55.3 mmDisplay only (W × H × D): 65W8PLA 1446 × 823 × 3.85 mm; 77W8PLA 1721 × 989 × 5.96 mm
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmWall mounting required. The separate soundbar/control unit measures 1260 × 78 × 198 mm for 65W8PLA and 1460 × 84 × 208 mm for 77W8PLA.
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm–
Power useUnder 0.5 W in standbyBoth UK models list under 0.5 W standby
In the boxMagic Remote with two AA batteries and attached power cableMagic Remote and two AA batteries on both UK sizes

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