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Samsung 55-inch MU640x Series

Samsung 55-inch MU640x Series
alaScore 93

729 reviews

Aug, 2018

We have collected and analysed 3 expert reviews and 726 user reviews from international sources. Experts rate this product 80/100 and users rate it 94/100. The average review date is 15-01-2018. We have compared these reviews to 1569137 reviews from other TVs. The alaScore™ for this product is 93/100 = Excellent. Last update: 14-08-2018.

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Review analysis

(Based on 729 reviews)

Expert Reviews  

User Reviews  


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Showing 1 - 10 of 674 Show Reviews: in English | in other languages (55)

Expert review by (

Samsung UE55MU6400 review

  (Rating Hidden)

The combination of a big 55-inch screen and a more affordable price tag has made the Samsung UE55MU6400 a popular TV over recent years. It offers features found on TVs more than twice its price, but how did it fare in the lab? Find out in our full review.

Jun, 2017

Consumer review (

Excellent TV


Excellent TV! Money well spent. Picture quality is sharp. Very pleased

Jul, 2018

Consumer review (

Great service and advice


I looked at a Samsung TV online thinking it would be the one I required, on calling Richer sounds the salesman said they had it in stock but advised another model as it was only a few more pounds, but a more advanced model! You may think this was just...

Jul, 2018

Consumer review (

Best TV for price


I got this TV 4 weeks ago Very happy , good sound , amazing picture, easy to use and set-up I play alot of Xbox and movies. This Samsung dos it all and looks nice and modern on the stand.

Jul, 2018

Consumer review (

Fantastic product


From picture quality to sound quality I cannot fault it. The setup is simple and the design of the layout of software is high quality and simple to use. Lots of little features I'm working through and discovering every day. Highly satisfied with the...

Jul, 2018

Consumer review (

Fantastic TV!


I recently purchased this from Richer Sounds in Leeds and the first thing to say was the service was brilliant. The staff were not pushy at all but couldn't be more helpful. I'd bought a Hisense TV the day before on a bit of a whim I'm ashamed to say...

Jul, 2018

Consumer review (

Great picture at a very good price


The Samsung has lived up to the reviews I had read, great picture quality, ease of use, especially with the one remote which works tv, sound bar and freesat. Setup was easy for all accessories and apps.

Jul, 2018

Consumer review (

Fantastic television


This is a great television and received fantastic customer service from Josh at Richer Sounds. Recommended to a friend who then also bought one at Richer Sounds.

Jun, 2018

Consumer review (

Great pic


Purchased 2 weeks ago and very happy with it. Would def recommend this .

Jun, 2018

Consumer review (

Great picture great value


I have had the tv for a month now. The picture is vivid and has deep blacks with the HDR feature. I have been enjoying watching the World Cup in 4K!!

Jun, 2018

Product Specifications


Audio Decoders:DTS / DTS,Dolby Digital
Audio decoding technologies:Dolby Digital Plus
Audio system:2.0
Auto volume leveler:Y
Built-in speaker(s):Y
Built-in subwoofer:N
Multiroom audio technology:Samsung Multiroom Link
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:20


Digital Living Network Alliance (DLNA) certified:Y


Boundless 360° design:Y
Colour of product:Black, Silver
LED indicators:Power / Y
Year of production:2017


Aspect Ratio:16:9
Display diagonal:139.7
Display diagonal (metric):138
Display Resolution:3840 x 2160
Display Technology:LED
Dynamic contrast ratio marketing name:Mega Contrast
HD type:4K Ultra HD
Motion interpolation technology:PQI (Picture Quality Index)
PQI (Picture Quality Index):1500
Screen format adjustments:4:3, 16:9
Screen shape:Flat
Supported graphics resolutions:3840 x 2160
Supported video modes:2160p / 720i,720p,1080i,1080p,2160p


Invisible connection:N
No gap wall-mount:N
On/off switch:Y
Smart Remote support:Y
Smartphone remote support:Y
VESA mounting:Y
VESA mounting interfaces:400 x 400

Management features

Auto power off:Y
ECO mode:Y
Electronic Programme Guide (EPG):Y
Number of OSD languages:27
On Screen Display (OSD):Y
On/Off timer:Y
Sleep timer:Y
Smart modes:Game, Movie


Bluetooth profiles:HID
Ethernet LAN:Y
Web Browser:Y
Wi-Fi Direct:Y

Other features

Dimming type:Supreme UHD / UHD Dimming

Packaging Content

Batteries included:Y
Cables included:AC
Desktop stand:Y
Handheld remote control:Y
Mounting kit:Y
Remote control type:Smart / TM1750A
Smart Remote included:Y
Warranty card:Y

Packaging Data

Package depth:192
Package height:819
Package Type:Box
Package weight:24.1 / 25.3
Package width:1420


4K Ultra HD upscaling:Y
Auto Depth Enhancer:N
ConnectShare (HDD):Y
ConnectShare (USB):Y
Digital Clean View:Y
Dimming type:Supreme UHD
Extended PVR:Y
Game mode:Y
HDMI Quick Switch:Y
High Dynamic Range Imaging (HDRI):Y
Instant On:Y
Local Dimming:N / Y
MBR support:Y
Nano Crystal Color:Y
Peak Illuminator Pro:N / Y
Picture processing technology:Samsung Auto Motion Plus,Samsung Contrast Enhancer,Samsung Ultra Clean View / Samsung UHD Up-Scailing
Plug and Play:Y
Processor Cores:4
Quantum dot color technology:N
Satellite Channel Router (SatCR) compatible:Y
Subtitle formats supported:TXT
Subtitles function:Y
Teletext function:Y
USB Recording:Y
Voice Control:Y

Ports & interfaces

Audio Return Channel (ARC):Y
Common interface (CI):Y
Common interface Plus (CI+):Y
Common interface Plus (CI+) version:1.3
Component video (YPbPr/YCbCr) in:1
Composite Video In:1
Consumer Electronics Control (CEC):Anynet+
Digital Audio Optical Out:1
DVI port:N
Ethernet LAN (RJ-45) ports:1
HDMI ports quantity:3
One Connect port:N / Y
PC in (D-Sub):N
RF ports quantity:1 / 2
RS-232C ports:1
USB 2.0 ports quantity:2


AC input frequency:50/60
AC input voltage:220 - 240
Annual energy consumption:154
Energy efficiency class:A
Energy saving mode:Y
Power consumption (max):170
Power Consumption (Standby):0.5
Power consumption (typical):111

Smart TV

Hybrid Broadcast Broadband TV (HbbTV):Y
Hybrid Broadcast Broadband TV (HbbTV) version:1.5
Internet TV:Y
Lifestyle apps:Samsung Smart View
Music apps:Deezer, Spotify
Screen mirroring:Y
Smart TV:Y
Video apps:Amazon Prime Video,NetFlix,YouTube

Technical Details

LED Backlight:Y

TV tuner

Auto channel search:Y
Digital signal format system:DVB-C,DVB-S2,DVB-T / DVB-C2,DVB-S2,DVB-T
Number of Tuners:1
Tuner type:Analog & Digital

Weight & Dimensions

Depth (with stand):334.3
Height :715.1
Height (with stand):783.9
Package depth:192
Package height:819
Package weight:24.1 / 25.3
Package width:1420
Weight with stand:19
Width (with stand):1235.2