Comparison Samsung UE-55RU7452 55 " vs Samsung UE-55RU7402 55 "

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	Samsung UE-55RU7452 55 "	Samsung UE-55RU7402 55 "
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Main	Support Airplay 2. Support Bixby, Google Assistant, Alexa
Size	55 "	55 "
Operating system	Smart TV (proprietary system)	Smart TV (proprietary system)
Display
Screen surface	anti-glare	anti-glare
Resolution	3840x2160 px	3840x2160 px
Upscaling	up to 4K
Frame rate	60 Hz	60 Hz
HDR support	HDR10+	HDR10+
Brightness / contrast enhancement	/Contrast Enhancement/	/Contrast Enhancement/
Colour enhancement	/Dynamic Crystal Color/	/Dynamic Crystal Color/
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)
Features
Features	AirPlay 2 Wi-Fi 4 (802.11n) Miracast Bluetooth voice control Amazon Alexa Google Assistant Bixby	AirPlay 2 Wi-Fi 4 (802.11n) Miracast Bluetooth voice control Amazon Alexa Google Assistant Bixby
Connectors
HDMI	3	3
Additional inputs	USB LAN component composite AV input	USB LAN component composite AV input
Outputs	optical	optical
General
Wall mount	VESA 200x200 mm	VESA 200x200 mm
Power consumption	114 W	114 W
Energy efficiency class	A	A
Dimensions (WxHxD)	1239x800x361 mm /with stand/	1239x800x361 mm /with stand/
Dimensions without stand (WxHxD)	1239x714x59 mm	1239x714x59 mm
Weight	19.7 kg /with stand/	19.7 kg /with stand/
Color
Added to E-Catalog	june 2019	april 2019

Upscaling

TV support for Upscaling function. This feature is only available on models with 4K and 8K resolution screens.

Upscaling to 4K allows you to increase the resolution of the original “picture” to 4K (3840x2160), if it was initially lower - for example, viewing a movie in 4K that was originally recorded in Full HD (1920x1080). In this case, we are not just talking about “stretching” the image to fill the entire screen (all TVs are capable of doing this), but about special processing, thanks to which the actual video resolution is increased. Of course, such video will still be inferior to content originally recorded in 4K; however, upscaling provides a noticeable improvement in quality compared to the raw signal.

Upscaling to 8K works on the same principle, only relevant for 8K TVs.