LG OLED B3 vs Sony A80J

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OLED B3 compared with A80J

	LGOLED B3	SonyA80J
Overview
Released
Released	April 2023	June 2021
Display
Panel
Panel	OLED	OLED
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	HDR10, HLG, Dolby Vision
Picture processing
Picture processing	AI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode	Cognitive Processor XR, XR 4K Upscaling, Dual Database Processing, XR Super Resolution, XR Triluminos Pro, XR OLED Contrast and Pixel Contrast Booster.
Picture modes
Picture modes	–	Custom, Cinema, IMAX Enhanced, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handling
Motion handling	UK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.	XR Motion Clarity; maker accepts 4K 120 Hz HDMI input. Sony Japan explicitly lists a native 120 Hz panel.
Sizes
Sizes
Sizes	55, 65, 77″	55, 65, 77″
Largest size
Largest size	77″	77″
Gaming
HDMI ports
HDMI ports	4 (2 HDMI 2.1 at 4K 120 Hz+)	4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	HDMI VRR
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four 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.	Four HDMI inputs: one side and three bottom. HDMI 3/4 provide 4K 120 Hz, VRR and ALLM; one also handles eARC. HDCP 2.3. Current maker table and updated What Hi-Fi? review confirm VRR after firmware, unlike the original review-era promise and stale No in its specs table.
Game features
Game features	HGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible	PlayStation 5 Auto HDR Tone Mapping and Auto Genre Picture Mode after software updates. Updated What Hi-Fi? confirms 4K 120 Hz, VRR and ALLM, but no low-latency Dolby Vision Game mode. Launch-era AVForums findings are kept as historical review opinions.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	Google TV
Processor
Processor	α7 AI Processor 4K Gen6	Cognitive Processor XR
Speakers
Speakers	20 W, 2.0 channels	–
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.0	4.2
Speaker detail
Speaker detail	20 W, 2.0-channel down-firing speakers	Acoustic Surface Audio+; UK 65-inch maker lists two actuators and two subwoofers, output 10 W + 10 W + 10 W (30 W). What Hi-Fi? also confirms 30 W for its tested 55-inch.
Audio features
Audio features	Dolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mix	Dolby Atmos and DTS Digital Surround, Voice Zoom 2, room/user-position calibration, 3D Surround Upscaling and Acoustic Center Sync with compatible Sony soundbars. 360 Spatial Sound Personalizer support.
Voice assistants
Voice assistants	–	Voice remote. UK maker explicitly lists no built-in microphone on A80J; What Hi-Fi? identifies the UK A84J variant as the one with a hands-free microphone and Rich Colour Enhancer. Those differences are not assigned to A80J.
Casting
Casting	Apple AirPlay 2	Chromecast built-in, Apple AirPlay and HomeKit.
TV tuners
TV tuners	–	Twin digital terrestrial/cable and satellite tuners: DVB-T/T2, DVB-C, DVB-S/S2; analogue and CI+.
Software updates
Software updates	Launch webOS 23; UK maker lists security updates until 31 December 2027	–
USB
USB	Two USB 2.0 inputs	3 × USB: two side and one bottom; USB HDD recording supported.
Ethernet
Ethernet	One Ethernet input	1 × bottom Ethernet LAN.
Optical audio out
Optical audio out	One optical digital audio output	1 × bottom digital audio output.
Design and power
Size
Size	Without stand (W × H × D): 55″ 1228 × 708 × 46.9 mm; 65″ 1449 × 832 × 46.9 mm; 77″ 1723 × 992 × 55.3 mm	UK 65-inch without stand, W × H × D: 144.8 × 83.6 × 5.3 cm. Configuration weight excludes the stand. Maker omits with-stand weight.
Stand
Stand	Centre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mm	Three positions: standard, narrow and raised for a soundbar. UK 65-inch standard foot width 103.4 cm, narrow 69.2 cm and raised 103.6 cm. With-stand standard/narrow dimensions 144.8 × 85.9 × 33.0 cm; raised 144.8 × 90.8 × 33.0 cm.
VESA pattern
VESA pattern	55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm	UK 65-inch 300 × 300 mm.
Power use
Power use	Under 0.5 W in standby	UK 65-inch published energy consumption 137 kWh per 1000 hours; standby 0.50 W, network standby 2.00 W over Wi-Fi/LAN or 0.50 W over HDMI-CEC.
Colours
Colours	–	Titanium Black bezel and aluminium layer stand.
In the box
In the box	Magic Remote with two AA batteries and attached power cable	Table-top stand, voice remote, batteries, cord and setup instructions. Sony Japan’s maker table lists 55/65-inch on sale on 12 June 2021 and 77-inch on 26 June; June month precision is retained. TechRadar’s June availability coverage names US pre-orders from 19 April, which do not prove an earlier first-sale date.