Panasonic VIERA S20 vs Panasonic Z90B

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VIERA S20 compared with Z90B

	PanasonicVIERA S20	PanasonicZ90B
Overview
Released
Released	2010	2025
Display
Panel
Panel	Plasma	OLED
Panel detail
Panel detail	Panasonic's exact UK manual lists 1920 × 1080 pixels on all three sizes. The 600 Hz sub-field drive marketed for this generation is not native image refresh.	Master OLED Pro on 55-, 65- and 77-inch sets; standard OLED on 42- and 48-inch sets.
Resolution
Resolution	1920 × 1080 (Full HD)	3840 × 2160 (4K) (better)
Refresh rate
Refresh rate	–	144 Hz
HDR formats
HDR formats	None	Dolby Vision, HDR10, HDR10+, HLG
HDR extras
HDR extras	–	Dolby Vision IQ and HDR10+ Adaptive.
Picture processing
Picture processing	NeoPDP panel with Intelligent Frame Creation. Picture controls are basic, without the higher-range THX mode or user-accessible advanced greyscale and colour controls.	Filmmaker Mode with Intelligent Sensing; Prime Video Calibrated Mode; Calman and ISFccc calibration support.
Motion handling
Motion handling	HDTVTest measured 16 ms input lag in Game mode on its 50-inch UK review sample. This measured figure is not asserted for the other sizes.	–
Sizes
Sizes
Sizes	42, 46, 50″	42, 48, 55, 65, 77″
Largest size
Largest size	50″	77″ (better)
Gaming
HDMI ports
HDMI ports	3 (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	Three HDMI Type A inputs; HDMI1 and HDMI3 are version 1.3a, while HDMI2 adds HDMI 1.4 Audio Return Channel. Two SCART inputs, component and composite video are listed in the UK manual.	Two of four HDMI inputs support 4K at 144 Hz, VRR and ALLM; one also supports eARC.
Game features
Game features	–	Game Mode Extreme, True Game Mode and Game Control Board.
Smart TV and sound
Smart TV platform
Smart TV platform	None (no smart platform)	Fire TV
Processor
Processor	–	HCX Pro AI Processor MK II
Dolby Atmos
Dolby Atmos	–	Yes
eARC
eARC	–	Yes
Speakers
Speakers	20 W	–
Speaker detail
Speaker detail	Two 160 × 40 mm, 6-ohm speakers rated 10 W + 10 W.	Dynamic Theater Surround Pro with front-facing drivers and a 30 W subwoofer in all sizes; Dolby Atmos decoding.
Audio features
Audio features	Optical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket.	–
Casting
Casting	No wireless or DLNA media streaming. The Ethernet socket does not add VIERA CAST online services.	Apple AirPlay and Apple Home support.
TV tuners
TV tuners	UK DVB-T2 Freeview HD, DVB-T and PAL I analogue terrestrial; no satellite tuner.	Panasonic Penta Tuner supports terrestrial, satellite, cable, IPTV and TV>IP reception; UK channel availability varies.
USB
USB	No USB socket is listed in Panasonic's UK specifications; an SD/SDXC card slot supports local photo and video media.	–
Ethernet
Ethernet	RJ45 10BASE-T/100BASE-TX is present, but neither VIERA CAST nor DLNA media streaming is provided.	–
Optical audio out
Optical audio out	Optical PCM and Dolby Digital output.	–
Design and power
Size
Size	Panasonic TV-only width × height × depth and weight: 42-inch 1029 × 661 × 93 mm, 23 kg; 46-inch 1132 × 722 × 93 mm, 26 kg; 50-inch 1218 × 769 × 93 mm, 29 kg. With pedestal: 1029 × 704 × 334 mm, 24.5 kg; 1132 × 767 × 401 mm, 28 kg; 1218 × 814 × 401 mm, 31 kg.	–
Stand
Stand	Circular pedestal supplied.	–
Power use
Power use	Panasonic rated consumption: 275 W (42-inch), 285 W (46-inch), 320 W (50-inch); standby 0.40 W, or 16 W with monitor-out recording.	–
In the box
In the box	Panasonic's manual includes a pedestal, remote, batteries and mains lead. The earliest exact UK on-sale month was not confirmed; released uses year precision.	–