Panasonic VIERA DX902 vs Panasonic VIERA VT20

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VIERA DX902 compared with VIERA VT20

	PanasonicVIERA DX902	PanasonicVIERA VT20
Overview
Released
Released	March 2016	2010
Display
Panel
Panel	LED LCD	Plasma
Panel detail
Panel detail	Panasonic specifies an LED LCD panel with full-array local dimming. HDTVTest identifies a 120 Hz VA LCD panel in the reviewed 58-inch set; Panasonic's 3000 Hz Backlight Motion Rate is not the native refresh rate.	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.
Resolution
Resolution	3840 × 2160 (4K) (better)	1920 × 1080 (Full HD)
Refresh rate
Refresh rate	120 Hz	–
HDR formats
HDR formats	HDR10	None
Dimming zones
Dimming zones	512	–
Peak brightness
Peak brightness	HDTVTest measured 1,310 cd/m² on the 58-inch set; results and picture modes vary by scene and firmware.	–
Colour range
Colour range	HDTVTest measured 98% DCI-P3 coverage on the 58-inch set.	–
Picture processing
Picture processing	Studio Master HCX+ processing and 512 independently dimmed backlight zones. AVForums reports the same zone count for the 65-inch UK model.	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.
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.
Motion handling
Motion handling	HDTVTest measured a native 120 Hz panel in the 58-inch set and reported some dark smearing; 3D judder and crosstalk were noticeable.	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.
Viewing angle
Viewing angle	Both independent 58-inch tests found contrast and colour deteriorated away from the centre seat.	–
Sizes
Sizes
Sizes	58, 65″	50″
Largest size
Largest size	65″ (better)	50″
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	None	None
HDMI detail
HDMI detail	Four HDMI inputs; HDMI2 supports ordinary Audio Return Channel. The UK manual lists component and composite video inputs, CI+ and an SD card slot.	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.
Input lag
Input lag	HDTVTest measured 38 ms in Game mode on its 58-inch sample. AVForums measured 42 ms on a separate 58-inch sample; these are review measurements, not a Panasonic specification.	–
Smart TV and sound
Smart TV platform
Smart TV platform	my Home Screen	VIERA CAST
Processor
Processor	Studio Master HCX+	–
Speakers
Speakers	40 W (better)	30 W
Wi-Fi
Wi-Fi	Built-in dual-band IEEE 802.11a/b/g/n	–
Bluetooth
Bluetooth	Bluetooth 3.0 for accessories and active 3D glasses	–
Speaker detail
Speaker detail	Panasonic specifies four 10 W speakers, totalling 40 W.	Two 160 × 40 mm full-range drivers and one 100 mm woofer, rated 10 W + 10 W + 10 W.
Audio features
Audio features	Active-shutter 3D glasses are supported by Bluetooth but sold separately; 3.5 mm headphone socket.	CONEQ equalisation, V-Audio surround modes and Dolby Digital optical output; 3.5 mm headphone socket.
Casting
Casting	Panasonic's my Home Screen 2.0 offers network media, screen mirroring and streaming apps; service availability varies over time.	DLNA media playback and VIERA CAST online services; the supplied USB wireless LAN adaptor provides Wi-Fi rather than an internal radio.
TV tuners
TV tuners	UK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite inputs.	UK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2, DVB-T and PAL I analogue UHF tuners.
USB
USB	Two USB 2.0 ports and one USB 3.0 port; SD card slot.	Two USB 2.0 ports support media and encrypted recording to a registered external USB hard drive; SD card slot for media.
Ethernet
Ethernet	RJ45 10/100 Ethernet.	RJ45 10BASE-T/100BASE-TX for network services and DLNA.
Optical audio out
Optical audio out	Optical digital audio output supports PCM and Dolby Digital.	Fibre-optic PCM and Dolby Digital output.
Design and power
Size
Size	TV only: 58-inch 1297 × 759 × 64 mm, 27.5 kg; 65-inch 1457 × 844 × 64 mm, 34.5 kg. With stand: 58-inch 1297 × 804 × 334 mm, 32.5 kg; 65-inch 1457 × 888 × 334 mm, 42.5 kg.	TX-P50VT20B TV only: 1224 × 771 × 90 mm and 27.5 kg. With supplied pedestal: 1224 × 810 × 335 mm and 30.5 kg.
Stand
Stand	Supplied angled pedestal; 400 × 400 mm wall-mount holes.	Supplied pedestal; optional TY-WK4P1RW wall bracket with 400 × 300 mm mounting holes.
Power use
Power use	Panasonic product fiche on-mode average: 183 W for 58 inches and 226 W for 65 inches; 0.50 W standby and 0.30 W off mode.	Panasonic rated 425 W; standby 0.40 W, or 33 W during monitor-output recording.
Colours
Colours	–	Dark metallic-brown bezel.
Energy class
Energy class	B for both UK sizes under the historical Panasonic product fiche.	–
In the box
In the box	UK manual lists a remote control, pedestal, mains lead and instructions; 3D glasses are optional. AVForums reported DX902 was already on sale in UK retailers on 2 March 2016; Panasonic's exact first-sale date was not found, so release precision is March 2016.	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.