Panasonic VIERA DX902 vs Panasonic VIERA GT20

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VIERA DX902 compared with VIERA GT20

	PanasonicVIERA DX902	PanasonicVIERA GT20
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.	UK TX-P42GT20B Full HD NeoPDP plasma with active-shutter 3D. The advertised 600 Hz subfield drive is not native refresh.
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.	Infinite Black filter with THX mode, ISF calibration controls and 2D-to-3D conversion.
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.	Intelligent Frame Creation and 24p Smooth Film are processing modes. AVForums observed artefacts with 50 Hz material on its review unit.
Viewing angle
Viewing angle	Both independent 58-inch tests found contrast and colour deteriorated away from the centre seat.	–
Sizes
Sizes
Sizes	58, 65″	42″
Largest size
Largest size	65″ (better)	42″
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, Deep Colour and x.v.Colour; HDMI2 supports Audio Return Channel. Two SCART, component, composite and VGA inputs are also provided.
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)	20 W
Wi-Fi
Wi-Fi	Built-in dual-band IEEE 802.11a/b/g/n	Optional wireless LAN adaptor
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 120 × 35 mm speakers, 10 W each, 20 W total.
Audio features
Audio features	Active-shutter 3D glasses are supported by Bluetooth but sold separately; 3.5 mm headphone socket.	Optical PCM and Dolby Digital output, analogue stereo output and a 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.	VIERA CAST service portal and DLNA home-network playback; launch-era apps may no longer operate.
TV tuners
TV tuners	UK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite inputs.	UK DVB-T/T2 terrestrial and DVB-S/S2 satellite for Freeview HD and Freesat HD, plus PAL I analogue.
USB
USB	Two USB 2.0 ports and one USB 3.0 port; SD card slot.	Two USB 2.0 ports and SD card slot; USB HDD recording and media playback.
Ethernet
Ethernet	RJ45 10/100 Ethernet.	RJ45 10BASE-T/100BASE-TX for VIERA CAST and DLNA network media.
Optical audio out
Optical audio out	Optical digital audio output supports PCM and Dolby Digital.	Fibre-optic digital audio 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.	Without pedestal: 1029 × 654 × 82 mm, 20.5 kg.
Stand
Stand	Supplied angled pedestal; 400 × 400 mm wall-mount holes.	Included pedestal: 1029 × 693 × 308 mm, 23.5 kg with pedestal.
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.	Rated 335 W; standby 0.40 W or 32 W with monitor-out recording.
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.	Pedestal and remote. Contemporary UK reviews conflict on the number of bundled 3D glasses, so no quantity is asserted.