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LG OLED B1 vs Panasonic MZ2000

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

Better figure, where one is clearly better

LGOLED B1PanasonicMZ2000
Overview
Released2021August 2023
Display
PanelOLEDOLED
Panel detailSelf-lit OLED with pixel dimming and Ultra Luminance ProPanasonic calls the 55- and 65-inch panels Master OLED Ultimate with Micro Lens Array and a multi-layer heat sink. Its 77-inch UK page calls that larger, different panel Master OLED Pro Cinema Size without Micro Lens Array.
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 and HLG Photo; Filmmaker Mode adjusts white balance for ambient light.
Peak brightness–AVForums measured 1,426 cd/m² on a 10% HDR window in Filmmaker Mode on the 55-inch MLA set; this is not a 77-inch figure.
Colour range–AVForums measured 98% DCI-P3 coverage on its 55-inch MLA sample; TechRadar measured 99.45% on a separate 55-inch sample.
Picture processingAI Picture, AI upscaling, AI Brightness Control, dynamic tone mapping and Filmmaker ModeHCX Pro AI Processor, Streaming 4K Remaster, Filmmaker Mode and Auto AI; Micro Lens Array applies only to the 55- and 65-inch versions.
Picture modes–Filmmaker Mode, True Game, True Cinema and Panasonic Professional modes, including calibration controls.
Motion handlingNative 120Hz panel and OLED Motion ProUp to 120 Hz native refresh and 4K 120 Hz input on HDMI1 and HDMI2. AVForums found clean 24 fps cadence with interpolation off on the reviewed 55-inch model.
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, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour HDMI inputs; HIFI.DE and Les Numériques identify HDMI 3 and 4 as the two 4K 120Hz inputs, with HDMI 1 and 2 limited to HDMI 2.0. LG specifies eARC on HDMI 3.Four HDMI inputs. Panasonic's UK manuals specify HDMI1 and HDMI2 for 4K 120 Hz, VRR, AMD FreeSync Premium and NVIDIA G-SYNC compatibility; HDMI2 carries eARC. HDMI3 and HDMI4 accept 4K at lower frame rates.
Input lag–AVForums measured 9.3 ms at 4K 60 Hz and 5.7 ms at 120 Hz on its 55-inch sample. TechRadar measured 15.2 ms at 4K 60 Hz on a separate 55-inch sample; test settings differed.
Game featuresGame Optimiser, HGiG, NVIDIA G-SYNC Compatible and AMD FreeSync supportTrue Game picture mode, Game Control Board, VRR and ALLM. Dolby Vision gaming is limited to 4K 60 Hz according to the independent AVForums test.
Smart TV and sound
Smart TV platformwebOSmy Home Screen
Processorα7 Gen4 Processor 4KHCX Pro AI Processor
Speakers40 W, 2.2 channels5.1.2 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5 (802.11ac)Built-in dual-band IEEE 802.11a/b/g/n/ac
Bluetooth5.0Bluetooth 5.0
Speaker detailDown-firing 2.2-channel speakers; 20 W woofer output within the 40 W totalPanasonic 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 remaining outputs), and 170 W for 77 inches (90 W front array with the same remaining outputs).
Audio featuresAI Sound, acoustic tuning, Clear Voice, Bluetooth Surround Ready and WiSA 2.1-channel supportTechnics-tuned 360° Soundscape Pro with Dolby Atmos, front array, side- and upward-firing speakers, room calibration and directional Sound Focus; 3.5 mm headphone/subwoofer socket.
Voice assistantsLG voice search, Google Assistant and Amazon AlexaVoice-control microphone in the supplied Bluetooth remote; service availability depends on region and firmware.
CastingAirPlay 2, Apple HomeKit, screen sharing and ThinQ appPanasonic my Home Screen 8.0 includes streaming apps and local media features; app availability changes over time.
Software updateswebOS 6.0. LG's February 2021 global rollout announcement identifies B1 but leaves individual market launch dates for later announcements; the first on-sale month remains unconfirmed.–
TV tunersUK DVB-T/T2, DVB-C and DVB-S2; CI+ 1.4, eight-day programme guide and USB recording/time shiftUK DVB-S/S2 satellite, DVB-T/T2 terrestrial, DVB-C cable and PAL I analogue tuners; two satellite inputs.
USBThree USB portsOne USB 3.0 and two USB 2.0 ports.
EthernetEthernet LAN portRJ45 10/100 Ethernet.
Optical audio outOptical digital audio output and shared headphone/line outputFibre-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 × 993 × 55 mmWith recommended pedestal, Panasonic UK lists 55-inch 1227 × 786 × 350 mm and 25.5 kg; 65-inch 1448 × 910 × 350 mm and 30.5 kg; 77-inch 1723 × 1073 × 350 mm and 50 kg.
StandWith stand (W × H × D; weight): 55″ 1228 × 744 × 246 mm, 19.9 kg; 65″ 1449 × 869 × 246 mm, 25 kg; 77″ 1723 × 1043 × 270 mm, 30 kg. Stand footprint 559 × 246 mm for 55/65″ and 749 × 270 mm for 77″.Supplied central swivel pedestal.
VESA pattern55/65″ 300 × 200 mm; 77″ 400 × 200 mm–
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyPanasonic's 65-inch UK product sheet lists 112 W SDR, 171 W HDR and 0.5 W standby; the other sizes are not represented by those figures.
Energy class–The 65-inch UK product information sheet gives G for SDR and HDR under the current energy-label system; no common class is claimed for all sizes.
In the boxMR21 Magic Remote, batteries and detachable power cablePanasonic's UK instructions list the remote control, batteries, pedestal and mains lead. TechRadar dates UK release to August 2023; the maker's January announcement does not establish the first on-sale day.

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