Panasonic VIERA VT20 vs Panasonic VIERA ZT65

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VIERA VT20 compared with VIERA ZT65

	PanasonicVIERA VT20	PanasonicVIERA ZT65
Overview
Released
Released	2010	2013
Display
Panel
Panel	Plasma	Plasma
Panel detail
Panel detail	Panasonic's UK TX-P50VT20B manual specifies a Full HD NeoPDP plasma panel. Its marketed 600 Hz sub-field drive is not a published native image refresh rate.	Panasonic's UK TX-P60ZT65B energy fiche confirms 60-inch Full HD. The marketed 3000 Hz Focused Field Drive is sub-field operation, not a published native image refresh rate.
Resolution
Resolution	1920 × 1080 (Full HD)	1920 × 1080 (Full HD)
HDR formats
HDR formats	None	None
Picture processing
Picture processing	NeoPDP with Infinite Black Pro, Intelligent Frame Creation and 24p Smooth Film. Active-shutter frame-sequential Full HD 3D is supported; the 600 Hz sub-field figure describes panel drive, not native refresh.	Studio Master Panel with Ultimate Black filter, THX certification, 1080p Pure Direct and Intelligent Frame Creation. The advertised 3000 Hz Focused Field Drive is not native refresh.
Picture modes
Picture modes	Dynamic, Normal, Cinema, THX, Game, Photo and two Professional modes when ISFccc is enabled; True Cinema replaces THX for 3D and some other inputs.	THX, EBU and Professional calibration modes with ten-point white balance and colour management on the reviewed UK set.
Motion handling
Motion handling	AVForums found very low gaming lag but criticised missing film-cadence detection for interlaced sources; What Hi-Fi? preferred Intelligent Frame Creation off for films.	AVForums found strong 1080p24 and broadcast motion and only rare false contouring or image retention. What Hi-Fi? also praised fast-motion stability.
Sizes
Sizes
Sizes	50″	60″
Largest size
Largest size	50″	60″ (better)
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	3 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	None	None
HDMI detail
HDMI detail	Four HDMI 1.4 inputs support 3D; HDMI2 supports ordinary Audio Return Channel. HDAVI Control 5, two SCART inputs, component input and D-sub PC input are specified.	Three HDMI inputs; HDMI2 supports ordinary Audio Return Channel. SCART and component/composite connections use supplied adaptors.
Input lag
Input lag	–	AVForums measured 42 ms in Game mode and about 63–65 ms without it on its UK TX-P60ZT65B sample.
Smart TV and sound
Smart TV platform
Smart TV platform	VIERA CAST	my Home Screen
Processor
Processor	–	Hexa Processing Engine, identified in AVForums' exact UK review
Speakers
Speakers	30 W (better)	20 W
Wi-Fi
Wi-Fi	–	Built-in wireless LAN
Bluetooth
Bluetooth	–	Bluetooth 3.0 for accessories
Speaker detail
Speaker detail	Two 160 × 40 mm full-range drivers and one 100 mm woofer, rated 10 W + 10 W + 10 W.	Panasonic's UK manual specifies two speakers and one 75 mm woofer, rated 5 W + 5 W + 10 W.
Audio features
Audio features	CONEQ equalisation, V-Audio surround modes and Dolby Digital optical output; 3.5 mm headphone socket.	Bluetooth accessories, 3.5 mm headphone socket and VIERA Touch Pad Controller with voice input.
Casting
Casting	DLNA media playback and VIERA CAST online services; the supplied USB wireless LAN adaptor provides Wi-Fi rather than an internal radio.	My Home Screen, VIERA Connect applications, DLNA and Swipe & Share 2.0 media transfer.
TV tuners
TV tuners	UK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2, DVB-T and PAL I analogue UHF tuners.	UK Freeview HD terrestrial and Freesat HD satellite tuners; the UK model is TX-P60ZT65B, whereas ZT60 is used for other regions.
USB
USB	Two USB 2.0 ports support media and encrypted recording to a registered external USB hard drive; SD card slot for media.	Three USB inputs and an SD card slot for media and USB recording.
Ethernet
Ethernet	RJ45 10BASE-T/100BASE-TX for network services and DLNA.	Wired network port for My Home Screen and DLNA services.
Optical audio out
Optical audio out	Fibre-optic PCM and Dolby Digital output.	Digital optical audio output.
Design and power
Size
Size	TX-P50VT20B TV only: 1224 × 771 × 90 mm and 27.5 kg. With supplied pedestal: 1224 × 810 × 335 mm and 30.5 kg.	Panasonic UK manual: TV only 1404 × 828 × 47 mm, 36.5 kg; with pedestal 1404 × 921 × 308 mm, 44 kg.
Stand
Stand	Supplied pedestal; optional TY-WK4P1RW wall bracket with 400 × 300 mm mounting holes.	Supplied metal pedestal; UK manual gives 500 × 300 mm wall-mounting holes.
Power use
Power use	Panasonic rated 425 W; standby 0.40 W, or 33 W during monitor-output recording.	Panasonic fiche: 286 W average on mode, 530 W rated, 0.30 W standby and 0.25 W off.
Energy class
Energy class	–	C under the original Panasonic product fiche.
Colours
Colours	Dark metallic-brown bezel.	Black glass front with silver trim and metal pedestal.
In the box
In the box	Remote, two R6 batteries, pedestal, wireless LAN adaptor and extension, two pairs of TY-EW3D10E 3D glasses, mains lead, cable clamper, ferrite cores and instructions. The dated UK launch coverage establishes 2010 availability but does not reliably establish the first sale month; only the maker-confirmed 50-inch UK configuration is listed here.	Main remote, VIERA Touch Pad Controller, pedestal, two pairs of Bluetooth 3D glasses, Electronic Touch Pen, SCART and component/video adaptors, mains lead and cable ties. Exact UK first-sale month is unverified, so release uses year precision.