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LG OLED B2 vs LG OLED GX

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

Better figure, where one is clearly better

LGOLED B2LGOLED GX
Overview
ReleasedMarch 2022April 2020
Display
PanelOLEDOLED
Panel detail–Self-lit OLED panel in LG's Gallery chassis, supplied with a flush wall mount
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extrasDolby Vision IQDolby Vision IQ, LG HDR10 Pro processing and Filmmaker Mode; no HDR10+ claim
Picture processingAI Picture Pro, AI 4K Upscaling, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeAI Picture Pro, AI Upscaling, AI Brightness and HDR Dynamic Tone Mapping Pro
Picture modes–Ten modes including Filmmaker, Cinema, Game and ISF Expert bright and dark room
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.OLED Motion Pro, with 4K high frame rate support; LG Switzerland's exact OLED55GX6LA specification describes a 100/120 Hz native panel
Sizes
Sizes55, 65, 77″55, 65, 77″
Largest size77″77″
Gaming
HDMI ports4 (2 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour HDMI inputs, two supporting 4K 120Hz (TechRadar). RTINGS identifies these as HDMI 3 and 4; maker Canada 55″ sheet confirms eARC on HDMI 3.Four HDMI 2.1 inputs; 4K 120 Hz input and eARC on HDMI 2
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatibleHDMI 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.
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 Gen5 AI Processor 4Kα9 Gen3 AI Processor 4K
Speakers–60 W, 4.2 channels
Dolby AtmosYesYes
eARCYesYes
Wi-Fi–Wi-Fi 5 (802.11ac)
Bluetooth5.05.0
Speaker detailTechRadar reports two down-firing speakers, 10 W each, on its reviewed model.Down-firing 60 W, 4.2-channel system with a 20 W woofer on all three UK size specifications
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mix. RTINGS reports no DTS or DTS:X passthrough.AI Sound Pro, AI Acoustic Tuning, Clear Voice IV, LG Sound Sync and WiSA speaker support
Voice assistants–LG ThinQ AI, Google Assistant and Amazon Alexa built in
CastingApple AirPlay 2; Apple HomeKitApple AirPlay 2 and HomeKit, Screen Share and DIAL
Software updatesLaunch webOS 22; UK maker lists security updates until 31 December 2026webOS 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 tuners–UK DVB-T2/T, DVB-C and DVB-S2/S with two RF inputs and CI slot
USB–Three side USB ports
Ethernet–One LAN port
Optical audio outOptical digital audio outputOne optical digital audio output; shared headphone and line output also listed
Design and power
SizeWithout stand (W × H × D): 55″ 1228 × 708 × 46.9 mm; 65″ 1449 × 832 × 46.9 mm; 77″ 1719 × 989 × 50.9 mmWithout stand (W × H × D): 55-inch 1225 × 705 × 23.1 mm; 65-inch 1446 × 829 × 19.9 mm on LG UK specifications
StandStand footprint: 55″ and 65″ 559 × 246 mm; 77″ 1403 × 319 mmFlush wall mount included; table stand is an optional purchase. LG lists TV-plus-stand weights of 22, 30.5 and 40.2 kg respectively.
Power use–Under 0.5 W standby on LG UK specifications
In the box–Flush wall mount and Magic Remote; table stand is not included
VESA pattern55″, 65″ and 77″: 300 × 200 mm–

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