Hisense A7S vs Samsung UHD KU6400

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A7S compared with UHD KU6400

	HisenseA7S	SamsungUHD KU6400
Overview
Released
Released	January 2026	2016
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Hi-QLED (quantum dot) LCD with a direct LED backlight	Flat LCD with LED backlight; VA panel on the 40-inch Digital Foundry and Tweakers review units. Panel type is not assigned to the other sizes.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	60 Hz	–
HDR formats
HDR formats	Dolby Vision, HDR10, HDR10+, HLG	HDR10
Peak brightness
Peak brightness	–	Digital Foundry measured 400 nits peak brightness on its 40-inch sample; Tweakers measured 380 cd/m² at maximum backlight on its 40-inch sample. These are review measurements, not maker ratings.
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″)	Active Crystal Colour, UHD Dimming, Contrast Enhancer and Auto Motion Plus. The maker's PQI 1500 and Motion Rate 100 labels are not native panel refresh rates; native Hz is left unpublished.
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″	40, 43, 49, 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	No
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. Tweakers confirmed HDMI 2.0 and 4K 60 Hz PC input on its 40-inch European sample; enable HDMI UHD Color for full chroma text reproduction.
Variable refresh range
Variable refresh range	Up to 60 Hz	–
Input lag
Input lag	≤ 10 ms (43″, 50″, 65″) or ≤ 11 ms (55″) (Hisense)	21 ms in Game Mode on the 40-inch Tweakers sample. Digital Foundry lists 21 ms in its specifications table but 19 ms in its text; the conflicting figures are not combined.
Game features
Game features	Game Mode Plus, Dolby Vision Gaming, HDR10+ Gaming	Manual Game Mode; no variable refresh or automatic low-latency switching.
Smart TV and sound
Smart TV platform
Smart TV platform	VIDAA	Tizen
Processor
Processor	–	UHD Up-Scaling picture engine
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 down-firing bass-reflex 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, DTS, Multiroom Link, TV SoundConnect and Bluetooth headset support.
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	–
Software updates
Software updates	Software and firmware updates for at least 8 years (Hisense)	Tizen smart TV platform; original app availability is not guaranteed today.
TV tuners
TV tuners	2 × RF; DVB-T2/T/C/S2/S; CI+ 2.0	Samsung's UK API lists DVB-T2 for 40 inches and DVB-T2/C/S2 for the larger sizes. Its regional app and tuner entries differ, so satellite support is not assumed for the 40-inch model.
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	Optical digital audio output. Digital Foundry describes a headphone output, while Tweakers reports no 3.5 mm socket; no analogue headphone output is assigned.
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, from the UK manual: 40-inch 905.7 × 520.6 × 54.6 mm; 43-inch 968.8 × 565.2 × 55.4 mm; 49-inch 1101.4 × 639.7 × 55.2 mm; 55-inch 1237.2 × 716.1 × 55.2 mm; 65-inch 1458.1 × 841.4 × 54.9 mm. Configuration weights exclude stands.
Stand
Stand	Single metal and plastic pedestal with cable management	Fixed stand with no swivel. The UK manual overrides conflicting online table dimensions for 40 inches and with-stand height/depth for 55 inches. With-stand weights are 11.5, 12.7, 17.1, 19.6 and 26.8 kg respectively.
In the box
In the box	–	Samsung Smart Remote, batteries, power cable, manual and analogue breakout cable; additional remote wording varies by size in the maker tables.
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)	–