LG OLED B3 vs Sony A80K

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

Better figure, where one is clearly better

OLED B3 compared with A80K
LGOLED B3SonyA80K
Overview
ReleasedApril 2023May 2022
Display
PanelOLEDOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HLG, Dolby Vision
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeCognitive Processor XR, XR 4K Upscaling, Dual Database Processing, XR Super Resolution, XR Triluminos Pro, OLED XR Contrast Pro and Pixel Contrast Booster.
Picture modes–Custom, Cinema, IMAX Enhanced, Game, Graphics, Photo, Dolby Vision Bright/Dark, Netflix Calibrated and BRAVIA CORE Calibrated Mode.
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.XR OLED Motion; UK panel table says 100 Hz but explicitly supports 4K 120 Hz HDMI input. Maximum 4K refresh is used here.
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
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.Four side HDMI inputs; HDMI 3/4 provide 4K 120 Hz, VRR and ALLM. eARC occupies one of those two inputs, as confirmed by both full reviews. HDCP 2.3 on all inputs.
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatiblePlayStation 5 Auto HDR Tone Mapping and Auto Genre Picture Mode. What Hi-Fi? confirms Dolby Vision gaming is limited to 60 Hz and lacks a dedicated low-latency game mode; HDMI format selection separates Dolby Vision from 4K 120 Hz/VRR.
Smart TV and sound
Smart TV platformwebOSGoogle TV
Processorα7 AI Processor 4K Gen6Cognitive Processor XR
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.04.2
Speaker detail20 W, 2.0-channel down-firing speakersAcoustic Surface Audio+: maker lists three actuators and two subwoofers, rather than the five-actuator wording in both reviews. UK 65-inch output 10 W + 10 W + 10 W + 10 W + 10 W (50 W).
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixDolby 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 remote; UK maker table explicitly lists no built-in microphone on A80K. What Hi-Fi? distinguishes A84K with hands-free microphone, different remote and Vivid-only colour enhancement; those upgrades are not assigned to A80K.
CastingApple AirPlay 2Chromecast built-in, Apple AirPlay and HomeKit.
TV tuners–Twin digital terrestrial/cable and satellite tuners: DVB-T/T2, DVB-C, DVB-S/S2; analogue and CI+. These are UK specifications, not the US review’s ATSC 3.0 tuner.
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027–
USBTwo USB 2.0 inputs2 × side USB; USB HDD recording supported.
EthernetOne Ethernet input1 × side Ethernet LAN.
Optical audio outOne optical digital audio output1 × side digital 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, W × H × D: 55-inch 122.7 × 71.2 × 5.3 cm; 65-inch 144.8 × 83.6 × 5.3 cm. Configuration weights exclude stand; with-stand weights 19.5 / 24.6 kg for 55 / 65-inch.
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmThree positions: standard, narrow and raised for a soundbar. UK 55/65-inch standard/soundbar foot width 118.4 cm; narrow width 84.7 cm. With-stand standard dimensions 122.7 × 73.8 × 33.0 / 144.8 × 86.2 × 33.0 cm; raised dimensions 122.7 × 78.0 × 33.0 / 144.8 × 90.4 × 33.0 cm.
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mmUK 55/65-inch 300 × 300 mm.
Power useUnder 0.5 W in standbyUK 65-inch published energy consumption 96 kWh per 1000 hours; standby 0.50 W, network standby 2.00 W over Wi-Fi/LAN or 1.0 W over Bluetooth.
Colours–Titanium Black bezel and metal stand.
In the boxMagic Remote with two AA batteries and attached power cableTable-top stand, voice remote, IR remote, batteries, cord and setup instructions; BRAVIA CAM optional. Sony UK’s 11 May release announces availability across a mixed range but warns some sizes were unavailable. TechRadar explicitly records 30 May 2022 for A80K; the release uses May month precision from that named exact-model secondary source, rather than assuming the maker’s press date was its first sale.

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