Panasonic VIERA AX902 vs Panasonic VIERA S20

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

Better figure, where one is clearly better

VIERA AX902 compared with VIERA S20
PanasonicVIERA AX902PanasonicVIERA S20
Overview
Released20142010
Display
PanelLED LCDPlasma
Panel detailPanasonic specifies an LED LCD panel with Local Dimming Ultra. AVForums identifies the reviewed 55-inch panel as IPS with full-array direct backlighting and 128 zones; that zone count is not claimed for the 65-inch size. Panasonic's 3000 Hz Backlight Scanning claim is not a native refresh rate.Panasonic's exact UK manual lists 1920 × 1080 pixels on all three sizes. The 600 Hz sub-field drive marketed for this generation is not native image refresh.
Resolution3840 × 2160 (4K) (better)1920 × 1080 (Full HD)
HDR formatsNoneNone
Picture processingStudio Master Drive, Local Dimming Ultra, Studio Master Colour, 4K Pure Direct and Intelligent Frame Creation Pro. The 55-inch zone count is reported by AVForums, not the UK manual.NeoPDP panel with Intelligent Frame Creation. Picture controls are basic, without the higher-range THX mode or user-accessible advanced greyscale and colour controls.
Picture modesDynamic, Normal, Cinema, THX Cinema, THX Bright Room, True Cinema, Monitor, Custom, Professional 1 and Professional 2; BT.1886 gamma is available.–
Motion handlingHDTVTest found clear motion with Intelligent Frame Creation enabled but mild 24p judder; AVForums preferred turning interpolation off for films.HDTVTest measured 16 ms input lag in Game mode on its 50-inch UK review sample. This measured figure is not asserted for the other sizes.
Viewing angleThe reviewed 55-inch IPS panel retained contrast and colour better off-axis than many contemporary VA LCDs according to HDTVTest.–
Sizes
Sizes55, 65″42, 46, 50″
Largest size65″ (better)50″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)3 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
HDMI detailFour HDMI inputs support 4K and 3D; HDMI2 supports ordinary Audio Return Channel. The UK manual also lists DisplayPort for 4K, one SCART, component and composite inputs, CI+ and an SD card slot. HDTVTest confirmed full HDMI 2.0 bandwidth and HDCP 2.2 on the reviewed 55-inch unit.Three HDMI Type A inputs; HDMI1 and HDMI3 are version 1.3a, while HDMI2 adds HDMI 1.4 Audio Return Channel. Two SCART inputs, component and composite video are listed in the UK manual.
Input lagAVForums measured 90 ms in Game mode on the 55-inch set; HDTVTest measured 87 ms on its separate 55-inch sample.–
Smart TV and sound
Smart TV platformmy Home ScreenNone (no smart platform)
ProcessorQuad Core Pro5–
Speakers18 W20 W (better)
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/n–
BluetoothBluetooth 3.0 for accessories–
Speaker detailPanasonic specifies 4 W + 4 W stereo drivers and a 10 W woofer.Two 160 × 40 mm, 6-ohm speakers rated 10 W + 10 W.
Audio features3.5 mm headphone socket and Bluetooth accessory support.Optical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket.
CastingPanasonic's my Home Screen platform supports network media, TV Anywhere, screen mirroring and streaming apps; service availability varies over time.No wireless or DLNA media streaming. The Ethernet socket does not add VIERA CAST online services.
TV tunersUK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite dish inputs.UK DVB-T2 Freeview HD, DVB-T and PAL I analogue terrestrial; no satellite tuner.
USBTwo USB 2.0 ports and one USB 3.0 port support media and recording to a registered drive; SD card slot.No USB socket is listed in Panasonic's UK specifications; an SD/SDXC card slot supports local photo and video media.
EthernetRJ45 10/100/1000 Ethernet for network services and local sharing.RJ45 10BASE-T/100BASE-TX is present, but neither VIERA CAST nor DLNA media streaming is provided.
Optical audio outFibre-optic PCM, Dolby Digital and DTS output.Optical PCM and Dolby Digital output.
Design and power
SizeTV only: 55-inch 1238 × 741 × 59 mm and 26 kg; 65-inch 1457 × 864 × 60 mm and 35 kg. With pedestal: 55-inch 1238 × 740 × 283 mm and 40 kg; 65-inch 1457 × 863 × 356 mm and 52 kg.Panasonic TV-only width × height × depth and weight: 42-inch 1029 × 661 × 93 mm, 23 kg; 46-inch 1132 × 722 × 93 mm, 26 kg; 50-inch 1218 × 769 × 93 mm, 29 kg. With pedestal: 1029 × 704 × 334 mm, 24.5 kg; 1132 × 767 × 401 mm, 28 kg; 1218 × 814 × 401 mm, 31 kg.
StandSupplied rear-weighted pedestal. Panasonic lists 400 × 400 mm wall mounting holes.Circular pedestal supplied.
Power usePanasonic product fiche on-mode average: 210 W for 55 inches and 229 W for 65 inches; 0.30 W standby and off mode for both.Panasonic rated consumption: 275 W (42-inch), 285 W (46-inch), 320 W (50-inch); standby 0.40 W, or 16 W with monitor-out recording.
Energy classC for UK 55-inch and B for UK 65-inch under the historical Panasonic product fiche.–
ColoursBlack glass front with silver edge trim.–
In the boxStandard and touchpad remotes, two pairs of passive 3D glasses, pedestal, mains lead and instructions. Panasonic's 2014 UK model list and manual confirm 55- and 65-inch AX902B sets; the distinct 85-inch TX-85X942B is excluded. Exact first-sale month remains unconfirmed; contemporary UK coverage places availability in November 2014.Panasonic's manual includes a pedestal, remote, batteries and mains lead. The earliest exact UK on-sale month was not confirmed; released uses year precision.

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