Comparison Samsung QE-55Q77TA 55 " vs Samsung QE-55Q70TA 55 "

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	Samsung QE-55Q77TA 55 "	Samsung QE-55Q70TA 55 "
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all specs only differences
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Main	High contrast. HDR10+. Smooth video sequence (120 Hz). Low input lag + FreeSync. HDMI 2.1. Convenient control with voice assistants. AirPlay 2. Interior mode Ambient +.	Quantum 4K processor. Ambient+ mode. Freesync support. Dual LED backlight. Refresh rate at 120 Hz. The Real Game Enhancer mode activates low input lag and improves sharpness. AMD FreeSync. Pumped Ambient Mode. HDMI 2.1 port.
Size	55 "	55 "
Operating system	Smart TV (proprietary system)	Smart TV (proprietary system)
CPU	Samsung Quantum 4K	Samsung Quantum 4K
Display
Matrix	QLED	QLED
Backlight type	Direct Dual LED	Direct Dual LED
Screen surface	glossy (anti-glare)	glossy (anti-glare)
Resolution	3840x2160 px	3840x2160 px
Upscaling	up to 4K	up to 4K
Frame rate	120 Hz	120 Hz
HDR support	HDR10+	HDR10+
Brightness / contrast enhancement	/Contrast Enhancer/	/Contrast Enhancer/
Colour enhancement		/Quantum Dot Color/
AMD compatible	AMD FreeSync	AMD FreeSync
Multimedia
Sound power	20 W	20 W
Number of speakers	2	2
Audio decoders	Dolby Digital Plus	Dolby Digital Plus
Digital tuner	DVB-T2 (terrestrial) DVB-C (cable) DVB-S2 (satellite)	DVB-T2 (terrestrial) DVB-C (cable) DVB-S2 (satellite)
Picture-in-picture	/Multi View/
Features
Features	AirPlay 2 Wi-Fi 5 (802.11ac) Miracast Bluetooth v 4.2 voice control Amazon Alexa Google Assistant Bixby	AirPlay 2 Wi-Fi 5 (802.11ac) Miracast Bluetooth v 4.2 voice control Amazon Alexa Google Assistant Bixby
Connectors
HDMI	4	4
HDMI version	v 2.1	v 2.1
Additional inputs	USB LAN	USB LAN
Outputs	optical	optical
General
Wall mount	VESA 200x200 mm	VESA 200x200 mm
Stand shape	1 leg on the platform	2 separate legs
Power consumption	110 W	110 W
Energy efficiency class	A
Dimensions (WxHxD)	1230x789x264 mm /with stand/	1230x784x243 mm /with stand/
Dimensions without stand (WxHxD)	1230x706x57 mm	1230x706x57 mm
Weight	19.2 kg /with stand/	17.4 kg /with stand/
Color
Added to E-Catalog	april 2020	april 2020

Colour enhancement

The TV's support of one or the other colour enhancement technology.

Such technologies usually involve image processing in software to provide brighter and/or more accurate colours. Specific processing methods may be different, some manufacturers do not specify technical details at all, limiting themselves to advertising statements. The effect of using such technologies can also vary: in some cases it is clearly visible, in others it is almost absent, depending on the features of the picture. It is also worth saying that this feature, usually, needs to be turned on manually in the TV menu (accordingly, it can be turned off if desired).

Stand shape

— 2 separate legs. Two legs as support are usually located on different sides of the lower face of the TV panel body. Such a design involves placing the TV on a large flat surface that extends along the entire lower side of the device. The TV is often more stable on two "legs" than on one leg.

— 1 leg on the platform. A support for the TV with a round or rectangular platform, which is in contact with the surface of the TV panel (table, stand, etc.) with its entire plane.

— 1 leg with supports. Stands of this kind consist of a single leg and a base of various geometric shapes that holds the TV. This solution ensures reliable stability of the TV panel, and in terms of design, it is a stylish element of the design of the structure.

— Monolithic. A solid stand with two or more attachment points to the bottom of the TV and monolithic frames as a solid support for installing the TV panel on a flat surface of a table or stand.

Energy efficiency class

The energy efficiency class characterizes how efficiently the TV consumes electricity. Initially, the classes were denoted by simple Latin letters — A (the most efficient), B, C. However, later improved classes “A+ ”, “A++”, etc. appeared (the more "pluses", the more efficient the device).

The energy class will generally affect the price accordingly, but this difference will eventually pay off with lower electricity bills.