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Panasonic VIERA DX902 vs Panasonic VIERA G20

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

Better figure, where one is clearly better

PanasonicVIERA DX902PanasonicVIERA G20
Overview
ReleasedMarch 20162010
Display
PanelLED LCDPlasma
Panel detailPanasonic 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-P42G20B, TX-P46G20B and TX-P50G20B manual specifies native Full HD NeoPDP plasma panels. The marketed 600 Hz sub-field drive is not the native image refresh rate, which remains unpublished.
Resolution3840 × 2160 (4K)1920 × 1080 (Full HD)
Refresh rate120 Hz–
HDR formatsHDR10None
Dimming zones512–
Peak brightnessHDTVTest measured 1,310 cd/m² on the 58-inch set; results and picture modes vary by scene and firmware.–
Colour rangeHDTVTest measured 98% DCI-P3 coverage on the 58-inch set.–
Picture processingStudio Master HCX+ processing and 512 independently dimmed backlight zones. AVForums reports the same zone count for the 65-inch UK model.Panasonic's second-generation NeoPDP panel, Intelligent Frame Creation, Resolution Enhancer and advanced white-balance, gamma and colour-management controls. The THX picture mode is certified; the 600 Hz sub-field drive is marketing for the panel drive rather than native frame refresh.
Picture modes–Dynamic, Normal, Cinema, THX, Game and Photo where input-appropriate; ISFccc setup unlocks Professional 1 and 2 with per-input calibration settings.
Motion handlingHDTVTest measured a native 120 Hz panel in the 58-inch set and reported some dark smearing; 3D judder and crosstalk were noticeable.HDTVTest measured 900 lines of motion resolution with Intelligent Frame Creation off and 1080 with it on, but saw some ball shimmer during sports. It found 1080p/24 playback free of telecine judder. These are measurements of the reviewed 42-inch set, not a native refresh specification.
Viewing angleBoth independent 58-inch tests found contrast and colour deteriorated away from the centre seat.–
Sizes
Sizes58, 65″42, 46, 50″
Largest size65″50″
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 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 Type A inputs; HDMI2 supports Audio Return Channel under HDMI 1.4, and all support VIERA Link HDAVI Control 5. Two RGB SCART inputs, component video and D-sub PC input also appear in the UK manual.
Input lagHDTVTest 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 platformmy Home ScreenVIERA CAST
ProcessorStudio Master HCX+–
Speakers40 W20 W
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/n–
BluetoothBluetooth 3.0 for accessories and active 3D glasses–
Speaker detailPanasonic specifies four 10 W speakers, totalling 40 W.Two 120 × 35 mm, 6-ohm speakers with 10 W + 10 W output.
Audio featuresActive-shutter 3D glasses are supported by Bluetooth but sold separately; 3.5 mm headphone socket.Optical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket; HDMI2 supports ordinary ARC, not eARC.
CastingPanasonic'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 internet services; optional DY-WL10E-K wireless LAN adaptor, with no built-in Wi-Fi claimed.
Software updates–Broadcast and network service updates described in the UK manual; VIERA CAST app availability may have changed since release.
TV tunersUK 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 terrestrial, DVB-T and PAL I analogue UHF tuners.
USBTwo USB 2.0 ports and one USB 3.0 port; SD card slot.Two USB 2.0 ports for media and encrypted TV recording to a registered external USB hard drive; SD card slot also supports media.
EthernetRJ45 10/100 Ethernet.RJ45 10BASE-T/100BASE-TX for Freesat, DLNA and VIERA CAST network services.
Optical audio outOptical digital audio output supports PCM and Dolby Digital.Optical PCM and Dolby Digital output.
Design and power
SizeTV 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.Panasonic TV-only dimensions, width × height × depth: 42-inch 1029 × 654 × 82 mm, 20.5 kg; 46-inch 1132 × 722 × 82 mm, 24 kg; 50-inch 1218 × 769 × 82 mm, 26 kg. With supplied pedestal: 1029 × 693 × 308 mm, 23.5 kg; 1132 × 761 × 335 mm, 27 kg; 1218 × 808 × 335 mm, 29 kg respectively.
StandSupplied angled pedestal; 400 × 400 mm wall-mount holes.Pedestal supplied; optional TY-WK4P1RW wall bracket.
Power usePanasonic 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 power consumption: 290 W (42-inch), 300 W (46-inch), 335 W (50-inch); standby 0.40 W without monitor-output recording or 32 W with it.
Colours–Gloss black bezel with a dark-blue appearance under some lighting, as HDTVTest observed.
Energy classB for both UK sizes under the historical Panasonic product fiche.–
In the boxUK 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.N2QAYB000490 remote, two R6 batteries, pedestal, cable clamper, mains lead, two ferrite cores, instructions and registration leaflet. HDTVTest reported UK retailer warehouse arrivals and online orders on 26 February 2010; contemporary coverage said shipments would begin in March. Exact first delivery month is unverified, so released uses year precision.

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