UHD RU7400

Released February 2019

Samsung's 2019 flat 4K LCD series with Dynamic Crystal Colour, HDR10+ and Tizen, sold in 43-, 50-, 55- and 65-inch sizes.

Specifications

Panel: LED LCD
Panel detail: Flat LED-backlit LCD; native refresh and panel subtype are not assigned from the checked maker tables.
Resolution: 3840 × 2160 (4K)
HDR formats: HDR10, HDR10+, HLG
Picture processing: Dynamic Crystal Colour, UHD Dimming, Contrast Enhancer and Film Mode. Samsung lists PQI 1900; this is a processing label rather than native refresh. Its Billion Colors flag differs between the 43-inch and larger tables, so no shared bit depth is assigned.

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, dialogue enhancement, Multiroom Link and Bluetooth audio.
Casting: Mobile-to-TV mirroring, DLNA, Wi-Fi Direct, sound mirroring and SmartThings app support.
Software updates: Tizen 5.0 in Samsung's developer model-group table. The UK specification page confirms Bixby plus integration with external Alexa and Google Assistant devices; service availability may change.
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 × 58.1 mm; 50-inch 1124.8 × 650.2 × 59.0 mm; 55-inch 1238.6 × 714.2 × 58.6 mm; 65-inch 1457.5 × 837.3 × 59.0 mm. Configuration weights exclude stands.
Stand: V-shaped central stand in Titan Gray. 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: TM1950A Smart Remote, batteries, power cable and manual. The 43- and 50-inch UK tables also specify the TM1240A standard remote; it is not assumed for larger sizes.

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