LG SIGNATURE OLED W8 vs Panasonic Z90B

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

Only show differences

Better figure, where one is clearly better

Share comparison

SIGNATURE OLED W8 compared with Z90B

	LGSIGNATURE OLED W8	PanasonicZ90B
Overview
Released
Released	2018	2025
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Picture-on-Wall OLED screen with a separate soundbar/control unit	Master OLED Pro on 55-, 65- and 77-inch sets; standard OLED on 42- and 48-inch sets.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	–	144 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HDR10+, HLG
HDR extras
HDR extras	LG also lists Advanced HDR by Technicolor; HDR10 Pro and HLG Pro name LG's processing, not HDR10+ support	Dolby Vision IQ and HDR10+ Adaptive.
Peak brightness
Peak brightness	Computer Bild measured around 730 cd/m² on its 65-inch W8; this is a review measurement, not an LG claim	–
Picture processing
Picture processing	The α9 processor provides LG's Quad Step Noise Reduction, Object Depth Enhancer, 4K Upscaler and Enhanced Dynamic Tone Mapping	Filmmaker Mode with Intelligent Sensing; Prime Video Calibrated Mode; Calman and ISFccc calibration support.
Sizes
Sizes
Sizes	65, 77″	42, 48, 55, 65, 77″
Largest size
Largest size	77″	77″
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (2 HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	None	HDMI VRR, FreeSync Premium, G-Sync Compatible
Auto low latency mode
Auto low latency mode	–	Yes
HDMI detail
HDMI detail	Four HDMI inputs, with ARC on HDMI 2, are housed in the separate soundbar/control unit; no external 4K 120 Hz HDMI input	Two of four HDMI inputs support 4K at 144 Hz, VRR and ALLM; one also supports eARC.
Game features
Game features	The 2018 W8 can show high-frame-rate content from its built-in apps, but has no HDMI 2.1 or external 4K 120 Hz input	Game Mode Extreme, True Game Mode and Game Control Board.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	Fire TV
Processor
Processor	α9 Intelligent Processor	HCX Pro AI Processor MK II
Speakers
Speakers	60 W, 4.2 channels	–
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	–	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11ac)	–
Bluetooth
Bluetooth	4.2	–
Speaker detail
Speaker detail	Separate 60 W, 4.2-channel speaker/control unit with two woofers accounting for 20 W. LG lists the 77-inch unit at 13.1 kg; no 65-inch unit weight is stated on the UK sheet.	Dynamic Theater Surround Pro with front-facing drivers and a 30 W subwoofer in all sizes; Dolby Atmos decoding.
Audio features
Audio features	Dolby Atmos, Dolby Surround, LG Sound Sync and One Touch Sound Tuning	–
Voice assistants
Voice assistants	UK LG sheet says built-in Google Assistant required a software update and was unavailable in the Republic of Ireland; Google Home and Alexa compatibility required separate devices	–
Casting
Casting	Wi-Fi Direct on both UK sizes; Miracast and WiDi listed for the 77-inch model by LG Hungary	Apple AirPlay and Apple Home support.
Software updates
Software updates	webOS 4.0 with Magic Remote and ThinQ AI. Exact first on-sale month 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	Panasonic Penta Tuner supports terrestrial, satellite, cable, IPTV and TV>IP reception; UK channel availability varies.
USB
USB	Three USB ports on both UK sizes	–
Ethernet
Ethernet	One LAN input on both UK sizes	–
Optical audio out
Optical audio out	Optical digital audio output on both UK sizes	–
Design and power
Size
Size	Display only (W × H × D): 65W8PLA 1446 × 823 × 3.85 mm; 77W8PLA 1721 × 989 × 5.96 mm	–
Stand
Stand	Wall mounting required. The separate soundbar/control unit measures 1260 × 78 × 198 mm for 65W8PLA and 1460 × 84 × 208 mm for 77W8PLA.	–
Power use
Power use	Both UK models list under 0.5 W standby	–
In the box
In the box	Magic Remote and two AA batteries on both UK sizes	–