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LG OLED GX vs Panasonic LZ2000

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

Better figure, where one is clearly better

LGOLED GXPanasonicLZ2000
Overview
ReleasedApril 20202022
Display
PanelOLEDOLED
Panel detailSelf-lit OLED panel in LG's Gallery chassis, supplied with a flush wall mountPanasonic'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 extrasDolby Vision IQ, LG HDR10 Pro processing and Filmmaker Mode; no HDR10+ claimDolby 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 Upscaling, AI Brightness and HDR Dynamic Tone Mapping ProHCX Pro AI Processor with Auto AI genre detection and ambient light colour-temperature adjustment; Netflix Adaptive Calibrated Mode and Calman calibration support.
Picture modesTen modes including Filmmaker, Cinema, Game and ISF Expert bright and dark roomFilmmaker Mode with intelligent sensing, True Cinema, Auto AI and Professional calibration modes.
Motion handlingOLED Motion Pro, with 4K high frame rate support; LG Switzerland's exact OLED55GX6LA specification describes a 100/120 Hz native panelPanasonic 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, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync Premium
Auto low latency modeYesYes
HDMI detailFour HDMI 2.1 inputs; 4K 120 Hz input and eARC on HDMI 2Panasonic'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, ALLM, G-SYNC Compatible, FreeSync and HGiG. LG's current UK GX6LA specifications list FreeSync; launch-era review coverage described it as pending a software update.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
Processorα9 Gen3 AI Processor 4KHCX Pro AI Processor
Speakers60 W, 4.2 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 detailDown-firing 60 W, 4.2-channel system with a 20 W woofer on all three UK size specificationsPanasonic 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 featuresAI Sound Pro, AI Acoustic Tuning, Clear Voice IV, LG Sound Sync and WiSA speaker supportTechnics-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 assistantsLG ThinQ AI, Google Assistant and Amazon Alexa built inGoogle Assistant and Alexa functions are listed by Panasonic for the UK model, subject to service availability.
CastingApple AirPlay 2 and HomeKit, Screen Share and DIALmy Home Screen 7.0 includes streaming apps, local media playback, Easy Mirroring and my Scenery.
Software updateswebOS 5.0. LG UK's rollout table scheduled 55- and 65-inch models for the week beginning 6 April 2020 and the 77-inch for the week beginning 11 May; an exact first retail day was not verified.–
TV tunersUK DVB-T2/T, DVB-C and DVB-S2/S with two RF inputs and CI slotUK DVB-S/S2 satellite, DVB-T/T2 terrestrial and PAL I analogue tuners; two satellite inputs.
USBThree side USB portsOne USB 3.0 and two USB 2.0 ports.
EthernetOne LAN portRJ45 10/100 Ethernet.
Optical audio outOne optical digital audio output; shared headphone and line output also listedFibre-optic PCM and Dolby Audio output.
Design and power
SizeWithout stand (W × H × D): 55-inch 1225 × 705 × 23.1 mm; 65-inch 1446 × 829 × 19.9 mm on LG UK specificationsWithout 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.
StandFlush wall mount included; table stand is an optional purchase. LG lists TV-plus-stand weights of 22, 30.5 and 40.2 kg respectively.Supplied central swivel pedestal.
VESA pattern–Panasonic specifies 300 × 300 mm for the 55-inch model; no common pattern is claimed for all sizes.
Power useUnder 0.5 W standby on LG UK specificationsPanasonic 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 boxFlush wall mount and Magic Remote; table stand is not includedPanasonic'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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