Panasonic VIERA G20 vs Panasonic VIERA ST30

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VIERA G20 compared with VIERA ST30

	PanasonicVIERA G20	PanasonicVIERA ST30
Overview
Released
Released	2010	2011
Display
Panel
Panel	Plasma	Plasma
Panel detail
Panel detail	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 The marketed 600 Hz sub-field drive is not the native image refresh rate, which remains unpublished.	UK Full HD plasma series in 42, 46 and 50 inches with active-shutter 3D. Native panel refresh is not specified in the UK manual and is omitted.
Resolution
Resolution	1920 × 1080 (Full HD)	1920 × 1080 (Full HD)
HDR formats
HDR formats	None	None
Picture processing
Picture processing	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.	Infinite Black Pro screen filter and active-shutter 3D; no THX or ISF calibration modes on this UK series.
Picture modes
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 handling
Motion handling	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.	Intelligent Frame Creation is picture processing, not a native refresh rate.
Sizes
Sizes
Sizes	42, 46, 50″	42, 46, 50″
Largest size
Largest size	50″	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 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 inputs support 3D, Deep Colour and x.v.Colour; HDMI2 also supports Audio Return Channel. SCART, component and composite inputs are provided.
Smart TV and sound
Smart TV platform
Smart TV platform	VIERA CAST	VIERA Connect
Speakers
Speakers	20 W	20 W
Wi-Fi
Wi-Fi	–	Optional DY-WL10E-K wireless LAN adaptor
Speaker detail
Speaker detail	Two 120 × 35 mm, 6-ohm speakers with 10 W + 10 W output.	Two 140 × 35 mm speakers, 10 W each, 20 W total.
Audio features
Audio features	Optical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket; HDMI2 supports ordinary ARC, not eARC.	Optical PCM, Dolby Digital and DTS output, analogue stereo output and a 3.5 mm headphone socket.
Casting
Casting	DLNA media playback and VIERA CAST internet services; optional DY-WL10E-K wireless LAN adaptor, with no built-in Wi-Fi claimed.	VIERA Connect internet-service gateway; launch-era apps may no longer operate.
Software updates
Software updates	Broadcast and network service updates described in the UK manual; VIERA CAST app availability may have changed since release.	–
TV tuners
TV tuners	UK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2 terrestrial, DVB-T and PAL I analogue UHF tuners.	UK DVB-T/T2 terrestrial for Freeview HD and PAL I analogue; no satellite tuner.
USB
USB	Two 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 and SD card slot for media playback; no USB HDD recording.
Ethernet
Ethernet	RJ45 10BASE-T/100BASE-TX for Freesat, DLNA and VIERA CAST network services.	RJ45 10BASE-T/100BASE-TX for VIERA Connect; no DLNA media networking on this series.
Optical audio out
Optical audio out	Optical PCM and Dolby Digital output.	Fibre-optic digital audio output.
Design and power
Size
Size	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.	Without pedestal: UK42 1020 × 640 × 69 mm; UK46 1118 × 695 × 69 mm; UK50 1204 × 744 × 69 mm. Listed configuration weights exclude pedestal.
Stand
Stand	Pedestal supplied; optional TY-WK4P1RW wall bracket.	Included pedestal. With pedestal: UK42 1020 × 675 × 320 mm, 23 kg; UK46 1118 × 730 × 335 mm, 27.5 kg; UK50 1204 × 779 × 335 mm, 30 kg.
Power use
Power use	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.	Rated power: 295 W (42-inch), 305 W (46-inch), 355 W (50-inch); standby 0.30 W or 16 W with monitor-out recording.
Colours
Colours	Gloss black bezel with a dark-blue appearance under some lighting, as HDTVTest observed.	–
In the box
In the box	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.	UK remote N2QAYB000572, two R6 batteries, pedestal and ferrite cores. Active 3D eyewear, Wi-Fi adaptor and communication camera were optional.