Samsung UHD NU7400 vs Samsung UHD RU7400

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UHD NU7400 compared with UHD RU7400

	SamsungUHD NU7400	SamsungUHD RU7400
Overview
Released
Released	March 2018	February 2019
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Flat LED-backlit LCD. Samsung's investor report lists UHD 60 Hz; no panel subtype is assigned without exact-size maker evidence.	Flat LED-backlit LCD; native refresh and panel subtype are not assigned from the checked maker tables.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	60 Hz	–
HDR formats
HDR formats	HDR10, HDR10+, HLG	HDR10, HDR10+, HLG
Picture processing
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.	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.
Sizes
Sizes
Sizes	43, 50, 55, 65″	43, 50, 55, 65″
Largest size
Largest size	65″	65″
Gaming
HDMI ports
HDMI ports	3 (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	Three HDMI inputs with ARC and HDMI-CEC, plus component and shared composite inputs.	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.	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 and sound
Smart TV platform
Smart TV platform	Tizen	Tizen
Processor
Processor	UHD Engine; quad-core smart processor	UHD Engine; quad-core smart processor
Speakers
Speakers	20 W, 2.0 channels	20 W, 2.0 channels
eARC
eARC	No	No
Wi-Fi
Wi-Fi	Built-in Wi-Fi	Built-in Wi-Fi
Speaker detail
Speaker detail	Two-channel speakers with 20 W total output.	Two-channel speakers with 20 W total output.
Audio features
Audio features	Dolby Digital Plus, Multiroom Link and Bluetooth audio; no DTS support is assigned from the checked maker table.	Dolby Digital Plus, dialogue enhancement, Multiroom Link and Bluetooth audio.
Casting
Casting	Mobile-to-TV mirroring, DLNA, TV-to-mobile mirroring, Wi-Fi Direct and SmartThings app support.	Mobile-to-TV mirroring, DLNA, Wi-Fi Direct, sound mirroring 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.	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
TV tuners	DVB-T2/C/S2 digital and analogue tuners, with CI+ 1.4.	DVB-T2/C/S2 digital and analogue tuners, with CI+ 1.4.
USB
USB	Two USB ports with media playback, recording and time shift.	Two USB ports with media playback, recording and time shift.
Ethernet
Ethernet	Ethernet LAN port.	Ethernet LAN port.
Optical audio out
Optical audio out	One optical digital audio output.	One optical digital audio output.
Design and power
Size
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.	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
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.	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
In the box	TM1850A Smart Remote and TM1240A standard remote for UK/Ireland, batteries, power cable, manual and analogue breakout cable.	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.