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LG OLED B3 vs Panasonic LZ2000

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

Better figure, where one is clearly better

LGOLED B3PanasonicLZ2000
Overview
ReleasedApril 20232022
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 extras–Dolby 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 Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeHCX 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 handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.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 (2 HDMI 2.1 at 4K 120 Hz+)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync Premium
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.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 featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatibleGame 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 AI Processor 4K Gen6HCX Pro AI Processor
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5IEEE 802.11a/b/g/n/ac, 2.4 and 5 GHz
Bluetooth5.0Bluetooth 5.0
Speaker detail20 W, 2.0-channel down-firing speakersPanasonic 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, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixTechnics-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 2my 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 updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027–
USBTwo USB 2.0 inputsOne USB 3.0 and two USB 2.0 ports.
EthernetOne Ethernet inputRJ45 10/100 Ethernet.
Optical audio outOne optical digital audio outputFibre-optic PCM and Dolby Audio output.
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 mmWithout 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.
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 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 useUnder 0.5 W in standbyPanasonic 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 with two AA batteries and attached power cablePanasonic'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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