Hisense A7S vs Samsung UHD NU7400

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A7S compared with UHD NU7400

	HisenseA7S	SamsungUHD NU7400
Overview
Released
Released	January 2026	March 2018
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Hi-QLED (quantum dot) LCD with a direct LED backlight	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	60 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HDR10+, HLG	HDR10, HDR10+, HLG
HDR extras
HDR extras	Dolby Vision IQ, HDR10+ Adaptive	–
Colour range
Colour range	Hi-QLED Colour	–
Picture processing
Picture processing	AI 4K Upscaler, MEMC, AI Light Sensor; Calman Ready (not 43″)	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	Filmmaker Mode; Game Mode Plus; eye-care mode	–
Motion handling
Motion handling	AI Smooth Motion (MEMC); panel response time 8 ms (Hisense)	–
Viewing angle
Viewing angle	178°	–
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	HDMI VRR	None
Auto low latency mode
Auto low latency mode	Yes	–
HDMI detail
HDMI detail	3 × HDMI with ALLM and VRR up to 60 Hz; eARC on HDMI 3	Three HDMI inputs with ARC and HDMI-CEC, plus component and shared composite inputs.
Variable refresh range
Variable refresh range	Up to 60 Hz	–
Input lag
Input lag	≤ 10 ms (43″, 50″, 65″) or ≤ 11 ms (55″) (Hisense)	–
Game features
Game features	Game Mode Plus, Dolby Vision Gaming, HDR10+ Gaming	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	VIDAA	Tizen
Processor
Processor	–	UHD Engine; quad-core smart processor
Speakers
Speakers	2.0 channels	20 W, 2.0 channels
Dolby Atmos
Dolby Atmos	Yes	–
eARC
eARC	Yes	No
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11ac, 2.4/5 GHz)	Built-in Wi-Fi
Bluetooth
Bluetooth	Yes	–
Speaker detail
Speaker detail	2 × 10 W, 2.0 ch (50″ to 65″); 2 × 7 W, 2.0 ch (43″)	Two-channel speakers with 20 W total output.
Audio features
Audio features	Dolby Atmos, EzPlay, TV mode, room fitting tuning (not 43″), user equaliser	Dolby Digital Plus, Multiroom Link and Bluetooth audio; no DTS support is assigned from the checked maker table.
Voice assistants
Voice assistants	Hands-free voice control (voice control via the remote on the 43″)	–
Casting
Casting	AirPlay 2; screen sharing; DMP/DMR content sharing	Mobile-to-TV mirroring, DLNA, TV-to-mobile mirroring, Wi-Fi Direct and SmartThings app support.
Software updates
Software updates	Software and firmware updates for at least 8 years (Hisense)	Tizen 4.0 in Samsung's developer model-group table. Original app availability is not guaranteed today.
TV tuners
TV tuners	2 × RF; DVB-T2/T/C/S2/S; CI+ 2.0	DVB-T2/C/S2 digital and analogue tuners, with CI+ 1.4.
USB
USB	2 × USB 2.0	Two USB ports with media playback, recording and time shift.
Ethernet
Ethernet	1 × RJ45	Ethernet LAN port.
Optical audio out
Optical audio out	1 × S/PDIF; the 43″ also has a composite AV input, audio L/R input and headphone output	One optical digital audio output.
Design and power
Size
Size	Without stand, 43″ 962 × 560 × 86 mm; 50″ 1110 × 648 × 59 mm; 55″ 1226 × 715 × 59 mm; 65″ 1445 × 837 × 59 mm	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	Single metal and plastic pedestal with cable management	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
In the box	–	TM1850A Smart Remote and TM1240A standard remote for UK/Ireland, batteries, power cable, manual and analogue breakout cable.
VESA pattern
VESA pattern	43″ 200 × 200 mm; 50″ and 65″ 400 × 300 mm; 55″ 200 × 300 mm	–
Power use
Power use	Maximum 110 W (43″), 120 W (50″, 55″), 170 W (65″); 0.5 W standby	–
Energy class
Energy class	SDR: F (43″), E (50″, 55″), D (65″); HDR: G	–
Colours
Colours	Black/dark grey (43″ black)	–
Warranty
Warranty	2 years (UK)	–