UHD NU7400

Released March 2018

Samsung's 2018 flat 4K LCD series with Dynamic Crystal Colour, HDR10+ and Tizen, available in 43-, 50-, 55- and 65-inch sizes.

Specifications

Panel: LED LCD
Panel detail: Flat LED-backlit LCD. Samsung's investor report lists UHD 60 Hz; no panel subtype is assigned without exact-size maker evidence.
Resolution: 3840 × 2160 (4K)
Refresh rate: 60 Hz
HDR formats: HDR10, HDR10+, HLG
Picture processing: 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.

HDMI ports: 3 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate: None
HDMI detail: Three HDMI inputs with ARC and HDMI-CEC, plus component and shared composite inputs.
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.

Smart TV platform: Tizen
Processor: UHD Engine; quad-core smart processor
Speakers: 20 W, 2.0 channels
eARC: No
Wi-Fi: Built-in Wi-Fi
Speaker detail: Two-channel speakers with 20 W total output.
Audio features: Dolby Digital Plus, Multiroom Link and Bluetooth audio; no DTS support is assigned from the checked maker table.
Casting: Mobile-to-TV mirroring, DLNA, TV-to-mobile mirroring, Wi-Fi Direct and SmartThings app support.
Software updates: Tizen 4.0 in Samsung's developer model-group table. Original app availability is not guaranteed today.
TV tuners: DVB-T2/C/S2 digital and analogue tuners, with CI+ 1.4.
USB: Two USB ports with media playback, recording and time shift.
Ethernet: Ethernet LAN port.
Optical audio out: One optical digital audio output.

Size: 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: 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.
In the box: TM1850A Smart Remote and TM1240A standard remote for UK/Ireland, batteries, power cable, manual and analogue breakout cable.

Model	Sizes	Panel	Refresh	HDR	HDMI 2.1	Software	Released
HisenseA7S	43–65″	LED LCD	60 Hz	Dolby Vision, HDR10+	0 of 3	VIDAA	Jan 2026
PanasonicVIERA AX902	55–65″	LED LCD	–	None	0 of 4	my Home Screen	2014
PanasonicVIERA CX802	40–65″	LED LCD	–	HDR10	0 of 3	my Home Screen	2015