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Panasonic VIERA G20 vs Panasonic VIERA VT20

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

Better figure, where one is clearly better

PanasonicVIERA G20PanasonicVIERA VT20
Overview
Released20102010
Display
PanelPlasmaPlasma
Panel detailPanasonic'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 The marketed 600 Hz sub-field drive is not the native image refresh rate, which remains unpublished.Panasonic's UK TX-P50VT20B manual specifies a Full HD NeoPDP plasma panel.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.
Resolution1920 × 1080 (Full HD)1920 × 1080 (Full HD)
HDR formatsNoneNone
Picture processingPanasonic'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.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 modesDynamic, Normal, Cinema, THX, Game and Photo where input-appropriate; ISFccc setup unlocks Professional 1 and 2 with per-input calibration settings.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 handlingHDTVTest 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.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.
Sizes
Sizes42, 46, 50″50″
Largest size50″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 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.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.
Smart TV and sound
Smart TV platformVIERA CASTVIERA CAST
Speakers20 W30 W
Speaker detailTwo 120 × 35 mm, 6-ohm speakers with 10 W + 10 W output.Two 160 × 40 mm full-range drivers and one 100 mm woofer, rated 10 W + 10 W + 10 W.
Audio featuresOptical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket; HDMI2 supports ordinary ARC, not eARC.CONEQ equalisation, V-Audio surround modes and Dolby Digital optical output; 3.5 mm headphone socket.
CastingDLNA media playback and VIERA CAST internet services; optional DY-WL10E-K wireless LAN adaptor, with no built-in Wi-Fi claimed.DLNA media playback and VIERA CAST online services; the supplied USB wireless LAN adaptor provides Wi-Fi rather than an internal radio.
Software updatesBroadcast and network service updates described in the UK manual; VIERA CAST app availability may have changed since release.–
TV tunersUK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2 terrestrial, DVB-T and PAL I analogue UHF tuners.UK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2, DVB-T and PAL I analogue UHF tuners.
USBTwo USB 2.0 ports for media and encrypted TV recording to a registered external USB hard drive; SD card slot also supports media.Two USB 2.0 ports support media and encrypted recording to a registered external USB hard drive; SD card slot for media.
EthernetRJ45 10BASE-T/100BASE-TX for Freesat, DLNA and VIERA CAST network services.RJ45 10BASE-T/100BASE-TX for network services and DLNA.
Optical audio outOptical PCM and Dolby Digital output.Fibre-optic PCM and Dolby Digital output.
Design and power
SizePanasonic 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.TX-P50VT20B TV only: 1224 × 771 × 90 mm and 27.5 kg. With supplied pedestal: 1224 × 810 × 335 mm and 30.5 kg.
StandPedestal supplied; optional TY-WK4P1RW wall bracket.Supplied pedestal; optional TY-WK4P1RW wall bracket with 400 × 300 mm mounting holes.
Power usePanasonic 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.Panasonic rated 425 W; standby 0.40 W, or 33 W during monitor-output recording.
ColoursGloss black bezel with a dark-blue appearance under some lighting, as HDTVTest observed.Dark metallic-brown bezel.
In the boxN2QAYB000490 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.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.

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