LG OLED B5 vs LG OLED CX

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OLED B5 compared with OLED CX

	LGOLED B5	LGOLED CX
Overview
Released
Released	March 2025	March 2020
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit 4K OLED with pixel dimming	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, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode	AI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness
Picture modes
Picture modes	Personalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes	10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark Room
Motion handling
Motion handling	Native 120Hz panel; OLED Motion and HDMI 4K 120 fps input	OLED Motion Pro; 120Hz panel refresh rate
Sizes
Sizes
Sizes	48, 55, 65, 77, 83″	48, 55, 65, 77″
Largest size
Largest size	83″ (better)	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 Premium, G-Sync Compatible	HDMI VRR, FreeSync, G-Sync Compatible
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3	Four HDMI 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2
Variable refresh range
Variable refresh range	LG specifies VRR up to 120Hz	–
Game features
Game features	Game Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz	G-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLM
Cloud gaming
Cloud gaming	Xbox Cloud Gaming requires internet, Game Pass Ultimate and a compatible Bluetooth controller; available in supported regions including the UK. App and service availability varies by country.	–
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α8 AI Processor 4K Gen2	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 6	Wi-Fi 5
Bluetooth
Bluetooth	5.3	5.0
Speaker detail
Speaker detail	Down-firing 2.0-channel speakers	LG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA
Audio features
Audio features	α8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channels	AI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround Ready
Voice assistants
Voice assistants	LG intelligent voice recognition and Voice ID; AI Search, AI Chatbot, AI Concierge and picture/sound wizards; regional language and account restrictions apply	LG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of Ireland
Casting
Casting	Google Cast, Apple AirPlay, Apple Home, ThinQ remote app and Multi View	–
Software updates
Software updates	webOS 25; webOS Re:New supports upgrades for up to five years, varying by model and region, with security support through 31 December 2029. LG Australia's March 19, 2025 launch confirms local availability and lists 48/55/65-inch B5 availability that day. Release records the first confirmed series month; LG's May 12 US release lists 55/65/77-inch models available now and the 83-inch model for preorder. TechRadar's July/August regional date does not override the earlier maker evidence.	webOS 5.0 at launch
TV tuners
TV tuners	DVB-T/T2, DVB-C and DVB-S/S2. LG specifies the CI slot is excluded for the UK and Ireland.	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 ports	3 × USB
Ethernet
Ethernet	Ethernet LAN port	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): 48″ 1070 × 620 × 45.9 mm; 55″ 1228 × 708 × 45.9 mm; 65″ 1449 × 832 × 45.9 mm; 77″ 1719 × 989 × 50.9 mm; 83″ 1842 × 1055 × 52.9 mm	UK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg
Stand
Stand	With stand (W × H × D; weight): 48″ 1070 × 684 × 235 mm, 11.7 kg; 55″ 1228 × 772 × 235 mm, 14.5 kg; 65″ 1449 × 896 × 235 mm, 17.3 kg; 77″ 1719 × 1057 × 319 mm, 23.5 kg; 83″ 1842 × 1144/1084 × 300 mm, 27.7 kg (two published stand heights). Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm; 83″ 1477 × 300 mm.	UK 65″ OLED65CX6LA footprint 998 × 251 mm
VESA pattern
VESA pattern	48/55/65/77″ 300 × 200 mm; 83″ 400 × 400 mm	UK 65″ OLED65CX6LA 300 × 200 mm
Power use
Power use	Under 0.5 W standby; 100–240 V AC, 50–60Hz supply	Under 0.5 W standby
In the box
In the box	Magic Remote MR25GA / MR25GB (UK and Italy) and attached power cable; TechRadar distinguishes the UK remote with AI button from the streamlined US remote	Magic Remote MR20, 2 AA batteries and attached power cable