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Panasonic VIERA DX802 vs Panasonic VIERA GT20

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

Better figure, where one is clearly better

PanasonicVIERA DX802PanasonicVIERA GT20
Overview
ReleasedMay 20162010
Display
PanelLED LCDPlasma
Panel detailEdge-lit LED LCD with local dimming; AVForums identified a VA panel on its 50-inch test set.UK TX-P42GT20B Full HD NeoPDP plasma with active-shutter 3D. The advertised 600 Hz subfield drive is not native refresh.
Resolution3840 × 2160 (4K)1920 × 1080 (Full HD)
HDR formatsHDR10None
Peak brightnessAVForums measured 545 cd/m² on a 10% HDR window on its 50-inch sample.–
Picture processingPanasonic's Studio Master HCX processor and local dimming; the 50-inch test set was THX 4K certified.Infinite Black filter with THX mode, ISF calibration controls and 2D-to-3D conversion.
Motion handlingAVForums measured around 350 lines of motion resolution without interpolation on its 50-inch sample.Intelligent Frame Creation and 24p Smooth Film are processing modes. AVForums observed artefacts with 50 Hz material on its review unit.
Viewing angleAVForums found colour and contrast deteriorated off-axis on its 50-inch VA test set.–
Sizes
Sizes50, 58″42″
Largest size58″42″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
HDMI detailFour 4K HDMI inputs; HDMI2 supports ordinary Audio Return Channel. The UK manual also lists component and composite video inputs.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 lagAVForums measured 44 ms in Game mode on its 50-inch sample.–
Smart TV and sound
Smart TV platformmy Home ScreenVIERA CAST
ProcessorStudio Master HCX–
Speakers40 W20 W
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/nOptional wireless LAN adaptor
BluetoothBluetooth 3.0–
Speaker detailPanasonic specifies four 10 W speakers in the detachable soundbar, totalling 40 W.Two 120 × 35 mm speakers, 10 W each, 20 W total.
Audio featuresActive-shutter 3D support with optional glasses; 3.5 mm headphone socket.Optical PCM and Dolby Digital output, analogue stereo output and a 3.5 mm headphone socket.
Castingmy Home Screen 2.0 supports network media 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 tunersUK DVB-S/S2 Freesat, DVB-T/T2 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.
USBOne USB 3.0 and two USB 2.0 ports.Two USB 2.0 ports and SD card slot; USB HDD recording and media playback.
EthernetRJ45 10/100 Ethernet.RJ45 10BASE-T/100BASE-TX for VIERA CAST and DLNA network media.
Optical audio outOptical digital audio output supports PCM and Dolby Digital.Fibre-optic digital audio output.
Design and power
SizeTV only: 50-inch 1115 × 647 × 35 mm, 16 kg; 58-inch 1290 × 753 × 36 mm, 22.5 kg. With pedestal and speaker: 50-inch 1188 × 722 × 316 mm, 22 kg; 58-inch 1369 × 828 × 356 mm, 32.5 kg.Without pedestal: 1029 × 654 × 82 mm, 20.5 kg.
StandAngled easel-style pedestal; the supplied soundbar can be detached for wall mounting.Included pedestal: 1029 × 693 × 308 mm, 23.5 kg with pedestal.
Power use–Rated 335 W; standby 0.40 W or 32 W with monitor-out recording.
In the boxPanasonic's UK quick-start guide lists the pedestal, soundbar and remote. Panasonic announced May 2016 availability at its European range launch; an exact first-sale day was not found.Pedestal and remote. Contemporary UK reviews conflict on the number of bundled 3D glasses, so no quantity is asserted.

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