Panasonic VIERA AX902 vs Samsung UHD NU7400

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VIERA AX902 compared with UHD NU7400

	PanasonicVIERA AX902	SamsungUHD NU7400
Overview
Released
Released	2014	March 2018
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Panasonic 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.	Flat LED-backlit LCD. Samsung's investor report lists UHD 60 Hz; no panel subtype is assigned without exact-size maker evidence.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	–	60 Hz
HDR formats
HDR formats	None	HDR10, HDR10+, HLG
Picture processing
Picture processing	Studio 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.	Dynamic Crystal Colour, UHD Dimming, Contrast Enhancer and Auto Motion Plus. PQI 1700 is a processing label; 60 Hz is separately documented in the maker investor report.
Picture modes
Picture modes	Dynamic, Normal, Cinema, THX Cinema, THX Bright Room, True Cinema, Monitor, Custom, Professional 1 and Professional 2; BT.1886 gamma is available.	–
Motion handling
Motion handling	HDTVTest found clear motion with Intelligent Frame Creation enabled but mild 24p judder; AVForums preferred turning interpolation off for films.	–
Viewing angle
Viewing angle	The reviewed 55-inch IPS panel retained contrast and colour better off-axis than many contemporary VA LCDs according to HDTVTest.	–
Sizes
Sizes
Sizes	55, 65″	43, 50, 55, 65″
Largest size
Largest size	65″	65″
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	3 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	None	None
HDMI detail
HDMI detail	Four 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 inputs with ARC and HDMI-CEC, plus component and shared composite inputs.
Game features
Game features	–	Samsung specifies Auto Game Mode; the checked UK table does not identify the HDMI ALLM signalling mechanism, so that optional field is left unassigned.
Input lag
Input lag	AVForums 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 platform
Smart TV platform	my Home Screen	Tizen
Processor
Processor	Quad Core Pro5	UHD Engine; quad-core smart processor
Speakers
Speakers	18 W	20 W, 2.0 channels (better)
eARC
eARC	–	No
Wi-Fi
Wi-Fi	Built-in dual-band IEEE 802.11a/b/g/n	Built-in Wi-Fi
Bluetooth
Bluetooth	Bluetooth 3.0 for accessories	–
Speaker detail
Speaker detail	Panasonic specifies 4 W + 4 W stereo drivers and a 10 W woofer.	Two-channel speakers with 20 W total output.
Audio features
Audio features	3.5 mm headphone socket and Bluetooth accessory support.	Dolby Digital Plus, Multiroom Link and Bluetooth audio; no DTS support is assigned from the checked maker table.
Casting
Casting	Panasonic's my Home Screen platform supports network media, TV Anywhere, screen mirroring and streaming apps; service availability varies over time.	Mobile-to-TV mirroring, DLNA, TV-to-mobile mirroring, Wi-Fi Direct and SmartThings app support.
Software updates
Software updates	–	Tizen 4.0 in Samsung's developer model-group table. Original app availability is not guaranteed today.
TV tuners
TV tuners	UK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite dish inputs.	DVB-T2/C/S2 digital and analogue tuners, with CI+ 1.4.
USB
USB	Two USB 2.0 ports and one USB 3.0 port support media and recording to a registered drive; SD card slot.	Two USB ports with media playback, recording and time shift.
Ethernet
Ethernet	RJ45 10/100/1000 Ethernet for network services and local sharing.	Ethernet LAN port.
Optical audio out
Optical audio out	Fibre-optic PCM, Dolby Digital and DTS output.	One optical digital audio output.
Design and power
Size
Size	TV 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.	Width × height × depth without stands: 43-inch 970.2 × 563.2 × 58.8 mm; 50-inch 1124.8 × 650.2 × 59.7 mm; 55-inch 1238.6 × 714.2 × 59.3 mm; 65-inch 1457.5 × 837.3 × 59.7 mm. Configuration weights exclude stands.
Stand
Stand	Supplied rear-weighted pedestal. Panasonic lists 400 × 400 mm wall mounting holes.	V-shaped central stand. With-stand weights are 12.1, 16.5, 19.7 and 28.0 kg for 43, 50, 55 and 65 inches respectively.
Power use
Power use	Panasonic 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.	–
Energy class
Energy class	C for UK 55-inch and B for UK 65-inch under the historical Panasonic product fiche.	–
Colours
Colours	Black glass front with silver edge trim.	–
In the box
In the box	Standard 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.	TM1850A Smart Remote and TM1240A standard remote for UK/Ireland, batteries, power cable, manual and analogue breakout cable.