LG OLED B3 vs LG OLED CX

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OLED B3 compared with OLED CX

	LGOLED B3	LGOLED CX
Overview
Released
Released	April 2023	March 2020
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	–	Self-lit OLED with pixel dimming
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HLG
HDR extras
HDR extras	–	Dolby Vision IQ and Dynamic Tone Mapping
Picture processing
Picture processing	AI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode	AI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness
Picture modes
Picture modes	–	10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark Room
Motion handling
Motion handling	UK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.	OLED Motion Pro; 120Hz panel refresh rate
Sizes
Sizes
Sizes	55, 65, 77″	48, 55, 65, 77″
Largest size
Largest size	77″	77″
Gaming
HDMI ports
HDMI ports	4 (2 HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	HDMI VRR, FreeSync, G-Sync Compatible
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 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2
Game features
Game features	HGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible	G-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLM
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α7 AI Processor 4K Gen6	α9 Gen3 AI Processor 4K
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
Bluetooth
Bluetooth	5.0	5.0
Speaker detail
Speaker detail	20 W, 2.0-channel down-firing speakers	LG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA
Audio features
Audio features	Dolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mix	AI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround Ready
Voice assistants
Voice assistants	–	LG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of Ireland
Casting
Casting	Apple AirPlay 2	–
Software updates
Software updates	Launch webOS 23; UK maker lists security updates until 31 December 2027	webOS 5.0 at launch
TV tuners
TV tuners	–	UK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4
USB
USB	Two USB 2.0 inputs	3 × USB
Ethernet
Ethernet	One Ethernet input	Ethernet port
Optical audio out
Optical audio out	One optical digital audio output	Optical digital audio output; UK OLED65CX6LA also has a shared headphone/line 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″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg
Stand
Stand	Centre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mm	UK 65″ OLED65CX6LA footprint 998 × 251 mm
VESA pattern
VESA pattern	55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm	UK 65″ OLED65CX6LA 300 × 200 mm
Power use
Power use	Under 0.5 W in standby	Under 0.5 W standby
In the box
In the box	Magic Remote with two AA batteries and attached power cable	Magic Remote MR20, 2 AA batteries and attached power cable