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LG OLED B3 vs LG SIGNATURE OLED W7

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

Better figure, where one is clearly better

LGOLED B3LGSIGNATURE OLED W7
Overview
ReleasedApril 20232017
Display
PanelOLEDOLED
Panel detail–Picture-on-Wall OLED screen with magnetic wall mounting and a separate soundbar/control unit
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz–
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
Peak brightness–Reviewed measured about 650 nits on a 10% HDR test pattern on the 65-inch W7; a review measurement, not an LG claim
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeUK 65W7V lists Colour Master Engine, Active Depth Enhancer, Ultra Luminance and 4K upscaling
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.Stuff found TruMotion's Clear and Smooth modes introduced visible artefacts on the 65-inch W7
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 reside in the separate soundbar/control unit, not the screen. No 4K 120 Hz HDMI input or VRR.
Input lag–Stuff measured 21 ms in Game Mode on the 65-inch W7
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible–
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 AI Processor 4K Gen6–
Speakers20 W, 2.0 channels60 W, 4.2 channels
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5–
Bluetooth5.0–
Speaker detail20 W, 2.0-channel down-firing speakersThe separate control unit contains LG's 60 W, 4.2-channel speaker system, including a stated 20 W woofer on the UK 65W7V. LG lists 10 kg for the UK 65-inch unit and 12.7 kg for the Italian 77-inch unit.
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixLG's UK sheet says Dolby Atmos streams from a Blu-ray player required a software update available later in 2017. The reviewers found its virtual Atmos effect less convincing than a dedicated surround system.
CastingApple AirPlay 2Miracast and WiDi on the UK 65W7V
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027webOS 3.5 with Magic Remote and Freeview Play on the UK 65W7V. An exact first on-sale month was not established, so release uses year precision.
TV tuners–UK 65W7V DVB-T2/C/S2 and Italian 77W7V DVB-T2/C/S2
USBTwo USB 2.0 inputsThree USB ports on both documented regional sizes, including one USB 3.0 port on the UK 65W7V
EthernetOne Ethernet inputOne LAN input on both documented regional sizes
Optical audio outOne optical digital audio outputOptical digital audio output on both documented regional 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): UK 65W7V 1450 × 825 × 4 mm; Italian 77W7V 1721 × 989 × 5.96 mm
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmWall mounting required; the UK 65W7V soundbar/control unit measures 1260 × 78 × 198 mm and the Italian 77W7V unit 1460 × 84 × 208 mm
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm–
Power useUnder 0.5 W in standbyUK 65W7V 0.3 W standby; no common running-power figure was established
In the boxMagic Remote with two AA batteries and attached power cableUK 65W7V includes a wall bracket, Magic Remote and batteries

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