LG OLED B4 vs LG SIGNATURE OLED W9

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OLED B4 compared with SIGNATURE OLED W9

	LGOLED B4	LGSIGNATURE OLED W9
Overview
Released
Released	March 2024	2019
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit 4K OLED with pixel dimming	Picture-on-Wall OLED screen with pixel dimming and a separate soundbar/control unit
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	–
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HLG
HDR extras
HDR extras	–	LG also lists Advanced HDR by Technicolor; HDR10 Pro is LG's processing, not HDR10+ support
Picture processing
Picture processing	AI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode	α9 Gen 2 with Deep Learning AI Picture, AI Brightness, Object Depth Enhancer, Quad Step Noise Reduction and HDR Dynamic Tone Mapping Pro
Picture modes
Picture modes	Personalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes	–
Motion handling
Motion handling	Native 120Hz panel; OLED Motion and HDMI 4K 120 fps input	LG lists OLED Motion and 4K high frame rate; its UK sheet says 4K HFR over HDMI was to be enabled by update, without confirming the update's delivery
Sizes
Sizes
Sizes	48, 55, 65, 77″	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 Premium, G-Sync Compatible	None
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 inputs are housed in the separate soundbar/control unit. LG's UK sheets list eARC on HDMI 2. FlatpanelsHD reports that W9 is the exception to the 2019 LG OLED series' VRR support.
Variable refresh range
Variable refresh range	LG specifies 40–120Hz	–
Game features
Game features	Game Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz	Instant Game Response (ALLM) on both UK sizes; HDMI VRR and G-Sync are not supported on W9 according to FlatpanelsHD
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α8 AI Processor 4K	α9 Gen 2 Intelligent Processor
Speakers
Speakers	20 W, 2.0 channels	60 W, 4.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.1	5.0
Speaker detail
Speaker detail	Down-firing 2.0-channel speakers	Separate 60 W, 4.2-channel soundbar/control unit with 20 W assigned to two woofers; UK unit weight is 10 kg on the 65-inch and 13.1 kg on the 77-inch sheet
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	Dolby Atmos, LG Sound Sync, One Touch Sound Tuning and WiSA speaker compatibility
Voice assistants
Voice assistants	Built-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by country	UK LG sheet lists Google Assistant, unavailable in the Republic of Ireland, and Amazon Alexa compatibility with the 2019.5 Magic Remote
Casting
Casting	Apple AirPlay 2, ThinQ remote app and Multi View	LG Screen Share and Apple AirPlay 2 on the UK 65W9PLA sheet
Software updates
Software updates	webOS 24; LG states four upgrades over five years with regional scheduling differences and security support through 31 December 2028. LG Australia's March 2024 launch notice confirms the range available now and lists 55/65-inch B4 March availability; release records that first confirmed series month, not a universal UK size-specific date.	webOS with Magic Remote and ThinQ AI. UK launch coverage gave May 6 as a planned sale date, but actual first on-sale was not verified, so release uses year precision.
TV tuners
TV tuners	–	UK 65 and 77-inch sheets list twin DVB-T2/C/S2 reception
USB
USB	Two USB 2.0 ports	Three USB ports on both UK sizes
Ethernet
Ethernet	Ethernet LAN port	One LAN input on both UK sizes
Optical audio out
Optical audio out	One optical digital audio output	Optical digital audio output on both UK sizes
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	Display only (W × H × D): 65W9PLA 1446 × 823 × 3.85 mm; 77W9PLA 1721 × 989 × 5.96 mm
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. Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm.	Wall mounting required. The soundbar/control unit measures 1260 × 78 × 198 mm for 65W9PLA and 1460 × 84 × 208 mm for 77W9PLA.
VESA pattern
VESA pattern	300 × 200 mm across these UK sizes	–
Power use
Power use	Under 0.5 W standby; 100–240 V AC, 50–60Hz supply	Both UK models list under 0.5 W standby
In the box
In the box	Magic Remote MR24, two AA batteries and attached power cable	MR19 Magic Remote and two AA batteries on both UK sizes