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LG OLED B9 vs Panasonic LZ2000

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

Better figure, where one is clearly better

LGOLED B9PanasonicLZ2000
Overview
Released20192022
Display
PanelOLEDOLED
Panel detail–Panasonic's 2022 Master OLED Pro configuration; the 77-inch version is called Master OLED Pro Cinema Size.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HDR10+, HLG
HDR extrasAdvanced HDR by Technicolor also supportedDolby Vision IQ, HDR10+ Adaptive, HLG Photo and Filmmaker Mode with intelligent sensing.
Peak brightness–AVForums measured just under 1,000 cd/m² peak HDR brightness on its 55-inch sample; this is not a figure for the other sizes.
Picture processingAI Picture, AI Brightness, 4K Upscaler and dynamic tone mappingHCX Pro AI Processor with Auto AI genre detection and ambient light colour-temperature adjustment; Netflix Adaptive Calibrated Mode and Calman calibration support.
Picture modes–Filmmaker Mode with intelligent sensing, True Cinema, Auto AI and Professional calibration modes.
Motion handlingNative 120Hz (RTINGS); exact LG France 55-inch sheet confirms 4K HFR at 120fps over HDMI and USB. Original UK and Austrian sheets retain the launch wording that HDMI HFR would be enabled by update.Panasonic confirms full-resolution 4K 120 Hz input with VRR; the 60 Hz Refresh Mode reduces gaming latency.
Sizes
Sizes55, 65, 77″55, 65, 77″
Largest size77″77″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, G-Sync CompatibleHDMI VRR, FreeSync Premium
Auto low latency modeYesYes
HDMI detailFour HDMI 2.1 inputs, one rear and three side; eARC on HDMI 2. RTINGS' original test lacked an HDMI 2.1 source and did not measure 4K 120Hz input.Panasonic's UK manuals specify HDMI1 and HDMI2 for 4K 120 Hz, HDMI VRR and AMD FreeSync Premium. HDMI2 also carries eARC; HDMI3 and HDMI4 accept 4K at lower frame rates. ALLM is supported on all four inputs.
Input lag–AVForums measured 9.2 ms at 4K 60 Hz with Fast input lag and 60 Hz Refresh Mode on its 55-inch sample; TechRadar measured 14.5 ms at 1080p 60 Hz in a separate test.
Game featuresHDMI VRR and ALLM. RTINGS records G-Sync Compatible firmware support in its June 2020 update; this is a later feature, rather than a launch-day capability. No FreeSync support is claimed.Game Control Board displays signal and latency information with picture controls; Panasonic also lists automatic detection of compatible NVIDIA graphics cards. AVForums found Dolby Vision gaming limited to 60 Hz.
Smart TV and sound
Smart TV platformwebOSmy Home Screen
Processorα7 Gen2 Intelligent ProcessorHCX Pro AI Processor
Speakers40 W, 2.2 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5 (802.11ac)IEEE 802.11a/b/g/n/ac, 2.4 and 5 GHz
Bluetooth5.0Bluetooth 5.0
Speaker detail–Panasonic UK manuals specify 150 W for 55 inches (70 W front array + 15 W × 2 side + 15 W × 2 upward + 20 W woofer), 160 W for 65 inches (80 W front array with the same other outputs), and 170 W for 77 inches (90 W front array with the same other outputs).
Audio featuresDolby Atmos, AI Sound, Clear Voice III and DTS decoding; RTINGS confirms eARC Dolby Atmos and DTS:X passthrough to compatible receivers.Technics-tuned 360° Soundscape Pro with directional front speaker array, side- and upward-firing speakers, Dolby Atmos, Space Tune and a switchable 3.5 mm headphone/subwoofer socket.
Voice assistants–Google Assistant and Alexa functions are listed by Panasonic for the UK model, subject to service availability.
CastingApple AirPlay 2; regional maker sheets include this later featuremy Home Screen 7.0 includes streaming apps, local media playback, Easy Mirroring and my Scenery.
TV tuners–UK DVB-S/S2 satellite, DVB-T/T2 terrestrial and PAL I analogue tuners; two satellite inputs.
Software updatesFirst sale retained at year precision because no exact maker on-sale month was established by the bounded source search.–
USBThree USB ports, two rear and one sideOne USB 3.0 and two USB 2.0 ports.
EthernetEthernet LAN portRJ45 10/100 Ethernet.
Optical audio outOptical digital audio output; headphone output also fittedFibre-optic PCM and Dolby Audio output.
Design and power
SizeWithout stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm; 77″ 1723 × 992 × 55.3 mm. Exact PLA regional LG sheets fill missing UK size measurements.Without stand, Panasonic UK lists 55-inch 1227 × 764 × 69 mm and 19.5 kg; 65-inch 1448 × 888 × 69 mm and 24.5 kg; 77-inch 1723 × 1050 × 78 mm and 43 kg. With pedestal: 55-inch 1227 × 786 × 350 mm and 24.5 kg; 65-inch 1448 × 910 × 350 mm and 29.5 kg; 77-inch 1723 × 1073 × 350 mm and 50 kg.
Stand55″ and 65″ stand width 559 mm; 77″ with stand 1723 × 1043 × 270 mmSupplied central swivel pedestal.
VESA pattern55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mmPanasonic specifies 300 × 300 mm for the 55-inch model; no common pattern is claimed for all sizes.
Power use–Panasonic specifies 84 kWh per 1,000 hours for the 55-inch model in SDR and 0.5 W standby; these figures do not represent the other sizes.
Energy class–Panasonic rates the 55-inch model G under the UK energy-label system; no common class is claimed for all sizes.
In the boxMagic Remote and power cable; UK 65-inch sheet lists two AA batteriesPanasonic's UK instructions list a remote control, batteries, pedestal and mains lead. Its 2022 announcement and UK line-up give no first on-sale month; the release is recorded at year precision.

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