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LG OLED B3 vs Samsung OLED S90C

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

Better figure, where one is clearly better

LGOLED B3SamsungOLED S90C
Overview
ReleasedApril 2023March 2023
Display
PanelOLEDQD-OLED
Panel detail–UK 55, 65 and 77-inch models use Quantum Dot OLED. Samsung added a non-Quantum-Dot 83-inch OLED version in the US on 11 July 2023; its 120 Hz specification and WOLED panel differ, and it is not included in the UK configurations here.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz144 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extras–Quantum HDR OLED; HDR10+ Adaptive and Gaming. HDR10 confirmed by the exact reviews.
Screen finish–Anti Reflection
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode4K upscaling, Perceptional Color Mapping and Real Depth Enhancer.
Picture modes–Filmmaker Mode; Smart Calibration (Basic).
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.Motion Xcelerator Turbo Pro; 120 Hz with up to 144 Hz supported for compatible PC content.
Viewing angle–Ultra Viewing Angle.
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 Premium
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 4.4K 144 Hz on HDMI 1/2/3/4; ports built into the TV. HDMI VRR confirmed by both exact reviews. Anynet+ HDMI-CEC.
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync CompatibleFreeSync Premium, ALLM, HGiG, Game Motion Plus, Dynamic Black EQ, Super Ultra Wide Game View and Mini Map Zoom.
Cloud gaming–Samsung Gaming Hub; subscriptions and compatible controller required.
Smart TV and sound
Smart TV platformwebOSTizen
Processorα7 AI Processor 4K Gen6Neural Quantum Processor 4K
Speakers20 W, 2.0 channels40 W, 2.1 channels
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.05.2
Speaker detail20 W, 2.0-channel down-firing speakersOTS Lite; 40 W, 2.1 channels in all three UK sizes.
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixQ-Symphony, Active Voice Amplifier, Adaptive Sound+ and dual Bluetooth audio.
Voice assistants–Bixby with UK English and far-field voice interaction.
CastingApple AirPlay 2Mobile Tap Mirroring, App Casting and Wireless DeX; Multi View up to two videos.
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027Security updates until at least 31 December 2028 in the current UK specification table.
TV tuners–Twin DVB-T2/C/S2 plus analogue; CI+1.4.
USBTwo USB 2.0 inputs2 × USB-A.
EthernetOne Ethernet inputEthernet LAN supported.
Optical audio outOne optical digital audio output1 × optical 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: 55-inch 1225.4 × 708.6 × 39.9 mm; 65-inch 1444.3 × 831.7 × 39.9 mm; 77-inch 1718.5 × 987.6 × 44.9 mm. Configuration weights exclude the stand.
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmSimple Plus-Metal stand; footprint 55/65-inch 366.0 × 265.9 mm, 77-inch 366 × 359.8 mm. With-stand weights 18.2 / 23.1 / 37.8 kg respectively.
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm55/65-inch 300 × 200 mm; 77-inch 400 × 300 mm.
Power useUnder 0.5 W in standbyTypical / maximum: 55-inch 82 / 310 W; 65-inch 95 / 360 W; 77-inch 117 / 460 W. Standby 0.50 W.
Energy class–55-inch G; 65/77-inch F.
Colours–Titan Black.
In the boxMagic Remote with two AA batteries and attached power cableTM2360E remote plus TM1240A in the UK, stand, power cable and manual.

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