Samsung LED H6400 vs Samsung OLED S90H

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LED H6400 compared with OLED S90H

	SamsungLED H6400	SamsungOLED S90H
Overview
Released
Released	2014	May 2026
Display
Panel
Panel	LED LCD	OLED (42, 48, 55, 65, 83″), QD-OLED (77″)
Panel detail
Panel detail	Flat LCD with active-shutter 3D; HDTVTest identifies direct LED backlighting on the 40-inch model. Samsung's 200 Clear Motion Rate is not native panel refresh.	WOLED (LG Display); the 77-inch is QD-OLED
Resolution
Resolution	1920 × 1080 (Full HD)	3840 × 2160 (4K) (better)
Refresh rate
Refresh rate	–	165 Hz
HDR formats
HDR formats	None	HDR10, HDR10+, HLG
HDR extras
HDR extras	–	HDR10+ Adaptive, HDR10+ Gaming and HDR10+ Advanced
Screen finish
Screen finish	–	Glare Free
Picture processing
Picture processing	Samsung's UK specifications list Wide Colour Enhancer Plus and Film Mode, with no Micro Dimming or Precision Black local dimming.	4K AI Upscaling Pro, AI Motion Enhancer Pro, Real Depth Enhancer, Auto HDR Remastering Pro, Color Booster Pro, HDR Brightness Optimizer, AI Optimized / AI Customization
Picture modes
Picture modes	–	Filmmaker Mode, EyeComfort Mode; Smart Calibration (Basic)
Motion handling
Motion handling	Samsung's 200 Clear Motion Rate combines processing and lighting behaviour. Native panel Hz is unpublished in the checked maker tables.	Motion Xcelerator 165 Hz
Viewing angle
Viewing angle	HDTVTest observed picture washout beyond about 45 degrees off-axis on its 40-inch sample.	Ultra Viewing Angle
Sizes
Sizes
Sizes	32, 40, 48, 55, 65, 75″	42, 48, 55, 65, 77, 83″
Largest size
Largest size	75″	83″ (better)
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	None	HDMI VRR, FreeSync Premium, G-Sync Compatible
Auto low latency mode
Auto low latency mode	No	Yes
HDMI detail
HDMI detail	Four HDMI inputs with HDMI 1.4 3D and Audio Return Channel in Samsung's UK tables; component, shared composite, SCART and headphone connections also provided.	4K 165 Hz on HDMI 1/2/3/4; eARC; Anynet+ (HDMI-CEC)
Input lag
Input lag	43 ms on the 40-inch sample using a Leo Bodnar tester (HDTVTest).	–
Game features
Game features	Manual Game Mode; no variable refresh or automatic low-latency switching.	FreeSync Premium Pro on 48–83″ (FreeSync Premium on 42″); Game Motion Plus, Dynamic Black EQ, Super Ultra Wide Game View, Game Bar, Mini Map Zoom, Surround Sound, HGiG, AI Auto Game Mode, AI Gaming Optimizer
Cloud gaming
Cloud gaming	–	Samsung Gaming Hub
Smart TV and sound
Smart TV platform
Smart TV platform	Samsung Smart TV	Tizen
Processor
Processor	3D HyperReal Engine; quad-core smart processor on the checked 40-, 55- and 65-inch UK tables	NQ4 AI Gen3 Processor
Dolby Atmos
Dolby Atmos	–	Yes
Speakers
Speakers	20 W	–
eARC
eARC	No	Yes
Wi-Fi
Wi-Fi	Built-in Wi-Fi	Wi-Fi 6E
Bluetooth
Bluetooth	–	5.3
Speaker detail
Speaker detail	Samsung lists two 10 W down-firing full-range speakers, without a woofer.	42″ 20 W, 2ch; 48–83″ 40 W, 2.1ch; Object Tracking Sound Lite
Audio features
Audio features	Dolby MS10, DTS Studio Sound, DTS Premium Sound 5.1 and TV SoundConnect on the checked 40-, 48-, 55- and 65-inch tables.	Q-Symphony, Active Voice Amplifier Pro, Adaptive Sound Pro, AI Sound Controller Pro, 360 Audio, Audio Pre-selection Descriptor
Voice assistants
Voice assistants	Original Samsung voice control and Voice Interaction; availability depends on the original services.	Bixby and Alexa built in, with far-field voice; works with Alexa and Google Assistant speakers
Casting
Casting	Screen Mirroring, Smart View and Wi-Fi Direct in Samsung's UK tables.	Apple AirPlay, Google Cast, screen and sound mirroring from Samsung phones
Software updates
Software updates	–	Security updates until at least 31 December 2031
TV tuners
TV tuners	The 48-inch UK table explicitly lists DVB-T2/C. The other checked sizes list DVB-T/C without T2; HDTVTest and What Hi-Fi confirm Freeview HD on the 40-inch UK model.	DVB-T2/C/S2 and analogue; CI+ 1.4 slot; HbbTV 2.0.4
USB
USB	Three USB ports, media playback, recording and time shift.	2 × USB-A
Ethernet
Ethernet	Ethernet LAN.	1 × LAN
Optical audio out
Optical audio out	One optical digital audio output.	1 × optical
Design and power
Size
Size	Width × height × depth without stands: 32-inch 732.3 × 430.7 × 62.9 mm; 40-inch 917.6 × 535.4 × 63.1 mm; 48-inch 1086.1 × 630.1 × 63.5 mm; 55-inch 1241.4 × 717.4 × 64 mm; 65-inch 1465.4 × 845.3 × 70.9 mm; 75-inch 1687 × 970 × 70.9 mm. Configuration weights exclude stands.	Without stand, 42″ 934.4 × 542.6 × 39.5 mm; 48″ 1069.3 × 619.9 × 39.6 mm; 55″ 1225.4 × 708.6 × 39.9 mm; 65″ 1444.3 × 831.7 × 39.9 mm; 77″ 1718.5 × 987.6 × 44.9 mm; 83″ 1851.0 × 1062.8 × 44.9 mm
Stand
Stand	Swivelling four-legged Quad stand on the checked UK 40-, 48-, 55- and 65-inch models.	42″ Simple Blade; 48–83″ Simple Plus Blade (Laser Slim design)
VESA pattern
VESA pattern	–	42″ 200 × 200 mm; 48–65″ 300 × 200 mm; 77″ and 83″ 400 × 300 mm
Power use
Power use	Typical use by size from Samsung's UK tables: 32-inch 43 W; 40-inch 50 W; 48-inch 59 W; 55-inch 71 W; 65-inch 97 W; 75-inch 124 W.	Typical/max, 42″ 52/195 W; 48″ 62/230 W; 55″ 76/380 W; 65″ 85/510 W; 77″ 112/660 W; 83″ 128/740 W; 0.5 W standby
Energy class
Energy class	–	42″ G; 48″ G; 55″ F; 65″ E; 77″ E; 83″ F
Colours
Colours	–	Graphite Black
In the box
In the box	Two SSG-5100GB 3D glasses, standard and Smart Control remotes, IR extender, power cable and manual on the checked 40-, 48-, 55- and 65-inch tables.	–