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LG OLED B3 vs LG SIGNATURE OLED W9

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

Better figure, where one is clearly better

LGOLED B3LGSIGNATURE OLED W9
Overview
ReleasedApril 20232019
Display
PanelOLEDOLED
Panel detail–Picture-on-Wall OLED screen with pixel dimming and 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 is LG's processing, not HDR10+ support
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Modeα9 Gen 2 with Deep Learning AI Picture, AI Brightness, Object Depth Enhancer, Quad Step Noise Reduction and HDR Dynamic Tone Mapping Pro
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.LG lists OLED Motion and 4K high frame rate; its UK sheet says 4K HFR over HDMI was to be enabled by update, without confirming the update's delivery
Sizes
Sizes55, 65, 77″65, 77″
Largest size77″77″
Gaming
HDMI ports4 (2 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleNone
Auto low latency modeYesYes
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 2.1 inputs are housed in the separate soundbar/control unit. LG's UK sheets list eARC on HDMI 2. FlatpanelsHD reports that W9 is the exception to the 2019 LG OLED series' VRR support.
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatibleInstant Game Response (ALLM) on both UK sizes; HDMI VRR and G-Sync are not supported on W9 according to FlatpanelsHD
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 AI Processor 4K Gen6α9 Gen 2 Intelligent Processor
Speakers20 W, 2.0 channels60 W, 4.2 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.05.0
Speaker detail20 W, 2.0-channel down-firing speakersSeparate 60 W, 4.2-channel soundbar/control unit with 20 W assigned to two woofers; UK unit weight is 10 kg on the 65-inch and 13.1 kg on the 77-inch sheet
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixDolby Atmos, LG Sound Sync, One Touch Sound Tuning and WiSA speaker compatibility
Voice assistants–UK LG sheet lists Google Assistant, unavailable in the Republic of Ireland, and Amazon Alexa compatibility with the 2019.5 Magic Remote
CastingApple AirPlay 2LG Screen Share and Apple AirPlay 2 on the UK 65W9PLA sheet
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027webOS with Magic Remote and ThinQ AI. UK launch coverage gave May 6 as a planned sale date, but actual first on-sale 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): 65W9PLA 1446 × 823 × 3.85 mm; 77W9PLA 1721 × 989 × 5.96 mm
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmWall mounting required. The soundbar/control unit measures 1260 × 78 × 198 mm for 65W9PLA and 1460 × 84 × 208 mm for 77W9PLA.
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 cableMR19 Magic Remote and two AA batteries on both UK sizes

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