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LG OLED B6 vs Sony A90J

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

Better figure, where one is clearly better

LGOLED B6SonyA90J
Overview
ReleasedMarch 20262021
Display
PanelOLEDOLED
Panel detailWOLED–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10HDR10, HLG, Dolby Vision
Screen finishGlossy–
Peak brightness695 nits in HDR on a 10% window, 65″ (Tom's Guide)–
Picture processingAI HDR RemasteringCognitive Processor XR, XR OLED Contrast Pro, Pixel Contrast Booster, XR HDR Remaster, XR Triluminos Pro, Dual Database Processing, XR Super Resolution and XR 4K Upscaling.
Picture modesAmbient FILMMAKER MODECustom, Cinema, IMAX Enhanced, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handling–XR Motion Clarity; 4K 120 Hz HDMI input.
Sizes
Sizes48, 55, 65, 77, 83″55, 65, 83″
Largest size83″83″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, G-Sync Compatible, FreeSync PremiumHDMI VRR
Auto low latency modeYesYes
HDMI detail4K 120 Hz on all four ports; eARC on oneFour HDMI inputs: one side and three bottom. HDMI 3/4 support 4K 120 Hz, VRR and ALLM; eARC shares one of these inputs. HDCP 2.3. Current maker table confirms VRR after firmware; both launch-era reviews describe it as unavailable.
Game featuresUp to 4K 120 Hz; G-SYNC Compatible, FreeSync Premium, VRR; Bluetooth Ultra Low Latency controllers (under 2.5 ms)PlayStation 5 Auto HDR Tone Mapping and Auto Genre Picture Mode after software updates. Launch-era review reports about missing VRR and UK catch-up apps are historical findings, not current specification claims.
Smart TV and sound
Smart TV platformwebOSGoogle TV
Processoralpha 8 AI Processor 4K Gen3Cognitive Processor XR
Dolby AtmosYesYes
DTS:XNo–
eARCYesYes
Wi-Fi–Wi-Fi 5 (802.11ac)
Bluetooth–4.2
Speaker detail–Acoustic Surface Audio+; UK 65-inch maker lists two actuators and two subwoofers, output 20 W + 20 W + 10 W + 10 W (60 W). No wattage is assigned to the other sizes without their full maker audio tables.
Audio featuresVirtual 11.1.2 ch, AI Object Remastering Pro, Dolby AtmosDolby Atmos and DTS Digital Surround, Voice Zoom 2, room/user-position calibration, 3D Surround Upscaling and Acoustic Center Sync with a compatible AV receiver or Sony soundbar.
Voice assistants–Built-in microphone with physical switch and premium backlit voice remote.
Casting–Chromecast built-in, Apple AirPlay and HomeKit.
TV tuners–Twin DVB-T/T2, DVB-C and DVB-S/S2 tuners; analogue and CI+.
USB–3 × USB: two side and one bottom; USB HDD recording supported.
Ethernet–1 × bottom Ethernet LAN.
Optical audio out–1 × bottom digital audio output.
Software updateswebOS 26; webOS Re:New Program upgrades for up to 5 years–
Design and power
Size–Without stand, W × H × D: 55-inch 122.3 × 70.9 × 4.1 cm; 65-inch 144.4 × 83.3 × 4.1 cm; 83-inch 185.0 × 106.7 × 5.3 cm. Configuration weights exclude the stand; maker omits with-stand weights.
Stand–55-inch standard foot width 128.2 cm, raised 115.0 cm; with-stand standard 128.2 × 70.9 × 31.7 cm, raised 122.3 × 77.6 × 31.7 cm. 65-inch standard foot width 150.2 cm, raised 136.5 cm; standard 150.2 × 83.4 × 31.7 cm, raised 144.4 × 90.2 × 31.7 cm. 83-inch standard/raised foot width 188.0 cm and narrow 70.0 cm; standard 188.0 × 107.2 × 42.8 cm, narrow 185.0 × 109.9 × 42.8 cm and raised 188.0 × 113.7 × 42.8 cm.
VESA pattern–55/65-inch 300 × 300 mm; 83-inch 400 × 400 mm.
Power use–UK 65-inch standby 0.50 W; network standby 2.00 W over Wi-Fi/LAN or 0.50 W over HDMI-CEC.
Colours–Titanium Black bezel and aluminium edge stand.
In the box–Table-top stand, premium backlit voice remote, batteries, power cord and setup instructions. Maker Japan records 55/65-inch sale on 1 May 2021 and 83-inch on 10 July; these regional dates do not establish the earliest worldwide month. Release remains 2021 after a bounded earlier-sale gap.

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