LG OLED CX vs Samsung OLED S90C

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OLED CX compared with OLED S90C

	LGOLED CX	SamsungOLED S90C
Overview
Released
Released	March 2020	March 2023
Display
Panel
Panel	OLED	QD-OLED
Panel detail
Panel detail	Self-lit OLED with pixel dimming	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.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	144 Hz (better)
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	HDR10, HDR10+, HLG
HDR extras
HDR extras	Dolby Vision IQ and Dynamic Tone Mapping	Quantum HDR OLED; HDR10+ Adaptive and Gaming. HDR10 confirmed by the exact reviews.
Screen finish
Screen finish	–	Anti Reflection
Picture processing
Picture processing	AI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness	4K upscaling, Perceptional Color Mapping and Real Depth Enhancer.
Picture modes
Picture modes	10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark Room	Filmmaker Mode; Smart Calibration (Basic).
Motion handling
Motion handling	OLED Motion Pro; 120Hz panel refresh rate	Motion Xcelerator Turbo Pro; 120 Hz with up to 144 Hz supported for compatible PC content.
Viewing angle
Viewing angle	–	Ultra Viewing Angle.
Sizes
Sizes
Sizes	48, 55, 65, 77″	55, 65, 77″
Largest size
Largest size	77″	77″
Gaming
HDMI ports
HDMI ports	4 (all HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	HDMI VRR, FreeSync Premium
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four HDMI 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2	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 features
Game features	G-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLM	FreeSync Premium, ALLM, HGiG, Game Motion Plus, Dynamic Black EQ, Super Ultra Wide Game View and Mini Map Zoom.
Cloud gaming
Cloud gaming	–	Samsung Gaming Hub; subscriptions and compatible controller required.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	Tizen
Processor
Processor	α9 Gen3 AI Processor 4K	Neural Quantum Processor 4K
Speakers
Speakers	–	40 W, 2.1 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	–
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5
Bluetooth
Bluetooth	5.0	5.2
Speaker detail
Speaker detail	LG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA	OTS Lite; 40 W, 2.1 channels in all three UK sizes.
Audio features
Audio features	AI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround Ready	Q-Symphony, Active Voice Amplifier, Adaptive Sound+ and dual Bluetooth audio.
Voice assistants
Voice assistants	LG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of Ireland	Bixby with UK English and far-field voice interaction.
Casting
Casting	–	Mobile Tap Mirroring, App Casting and Wireless DeX; Multi View up to two videos.
Software updates
Software updates	webOS 5.0 at launch	Security updates until at least 31 December 2028 in the current UK specification table.
TV tuners
TV tuners	UK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4	Twin DVB-T2/C/S2 plus analogue; CI+1.4.
USB
USB	3 × USB	2 × USB-A.
Ethernet
Ethernet	Ethernet port	Ethernet LAN supported.
Optical audio out
Optical audio out	Optical digital audio output; UK OLED65CX6LA also has a shared headphone/line output	1 × optical digital audio output.
Design and power
Size
Size	UK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg	Without 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.
Stand
Stand	UK 65″ OLED65CX6LA footprint 998 × 251 mm	Simple 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 pattern
VESA pattern	UK 65″ OLED65CX6LA 300 × 200 mm	55/65-inch 300 × 200 mm; 77-inch 400 × 300 mm.
Power use
Power use	Under 0.5 W standby	Typical / maximum: 55-inch 82 / 310 W; 65-inch 95 / 360 W; 77-inch 117 / 460 W. Standby 0.50 W.
Energy class
Energy class	–	55-inch G; 65/77-inch F.
Colours
Colours	–	Titan Black.
In the box
In the box	Magic Remote MR20, 2 AA batteries and attached power cable	TM2360E remote plus TM1240A in the UK, stand, power cable and manual.