LG OLED B4 vs LG SIGNATURE OLED W7

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

Better figure, where one is clearly better

OLED B4 compared with SIGNATURE OLED W7
LGOLED B4LGSIGNATURE OLED W7
Overview
ReleasedMarch 20242017
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingPicture-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, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeUK 65W7V lists Colour Master Engine, Active Depth Enhancer, Ultra Luminance and 4K upscaling
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes–
Motion handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps inputStuff found TruMotion's Clear and Smooth modes introduced visible artefacts on the 65-inch W7
Sizes
Sizes48, 55, 65, 77″65, 77″
Largest size77″77″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+) (better)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync Premium, G-Sync CompatibleNone
Auto low latency modeYes–
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3Four 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
Variable refresh rangeLG specifies 40–120Hz–
Game featuresGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz–
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα8 AI Processor 4K–
Speakers20 W, 2.0 channels60 W, 4.2 channels (better)
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5–
Bluetooth5.1–
Speaker detailDown-firing 2.0-channel 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 featuresα8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channelsLG'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.
Voice assistantsBuilt-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by country–
CastingApple AirPlay 2, ThinQ remote app and Multi ViewMiracast and WiDi on the UK 65W7V
Software updateswebOS 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.webOS 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 portsThree USB ports on both documented regional sizes, including one USB 3.0 port on the UK 65W7V
EthernetEthernet LAN portOne 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): 48″ 1070 × 620 × 45.9 mm; 55″ 1228 × 708 × 45.9 mm; 65″ 1449 × 832 × 45.9 mm; 77″ 1719 × 989 × 50.9 mmDisplay only (W × H × D): UK 65W7V 1450 × 825 × 4 mm; Italian 77W7V 1721 × 989 × 5.96 mm
StandWith 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.Wall mounting required; the UK 65W7V soundbar/control unit measures 1260 × 78 × 198 mm and the Italian 77W7V unit 1460 × 84 × 208 mm
VESA pattern300 × 200 mm across these UK sizes–
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyUK 65W7V 0.3 W standby; no common running-power figure was established
In the boxMagic Remote MR24, two AA batteries and attached power cableUK 65W7V includes a wall bracket, Magic Remote and batteries

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