Visit our Business Solutions website >>

Samsung 55KU6400 Series

alaTest has collected and analyzed 391 reviews of Samsung 55KU6400 Series. The average rating for this product is 4.5/5, compared to an average rating of 4.3/5 for other products in the same category for all reviews. Views about the size and price are overall positive. The sound and usability also get good views, whereas many are negative about the reliability and durability.

image quality, usability, sound, price, size

durability, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Samsung 55KU6400 Series is awarded an overall alaScore™ of 91/100 = Excellent quality.

See all Samsung TVs

Review analysis

(Based on 391 reviews)

Expert Reviews  

User Reviews  

Showing 219 review(s)

Expert Reviews User Reviews


Below is a list of reviews for this or similar products. If you think this grouping is wrong please click here to flag.
Read more on our FAQ’s page.
Showing 1 - 10 of 219 Show Reviews: in English | in other languages (172)

Expert review by (

Samsung UE55KU6470 review

  (Rating Hidden)

Are premium features without the mammoth price tag too good to be true? Samsung think not. Packed full of the latest TV tech, this sub-£1000 Samsung UE55KU6470 can go toe-to-toe with sets double its price. But can it land a knockout blow?

Aug, 2016

Consumer review (

Brilliant TV!


I have owned this television for over a year now and its been great, brilliant picture and a large amount of setting to customise the experience to your needs, whether it be gaming or movies. *As a gamer i would recommend this TV for its crisp HDR...

Feb, 2018

Consumer review (

Very good product


bought this item and i have found it to be better than i thought it would would recommend this as it offers good choices to use it

Sep, 2017

Consumer review (

Samsung UE55KU6400


Cutting edge design. Great remotes.

Stand is a little tricky to set up on such a big TV.

Jul, 2017

Consumer review (

Samsung UE55KU6470


smart remote,thickness of tv,plays almost every file.

nothing yet

Jun, 2017

Consumer review (

Samsung UE55KU6470


It's a great tv with great picture quality

If I have to be fussy sound is really good but could be better

Jun, 2017

Consumer review (

Samsung UE55KU6470



Jun, 2017

Consumer review (

Samsung UE55KU6400



Stand is fine and works but would have preferred something slightly more robust if i was nitpicking.

Jun, 2017

Consumer review (



I Bought this in september 2016, fantastic picture quality,very pleased with this purchase, samsung is a quality item but still prefer using a sound bar instead of tv speakers, overall great purchase.

Jun, 2017

Consumer review (



Bargain! The T.V itself is stunning and the picture quality is amazing. Its the best buy I've had in a long time. Fantastic value for money with my very account.

May, 2017

Product Specifications


Audio decoders:DTS / DTS,Dolby Digital
Audio decoding technologies:Dolby Digital Plus / DTS Premium Sound 5.1,Dolby Digital Pulse
Built-in audio decoders:DTS / DTS, Dolby Digital
Built-in speaker(s):Y
Built-in speakers: Yes
Built-in subwoofer: No
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:20


Digital Living Network Alliance (DLNA) certified:Y
DLNA Certified: Yes
Energy Star certified: Yes


Color of product:Black / Silver / Silver, Titanium / Titanium
Heavy metals free:Hg (mercury)
LED Indicators:Power / Y / Yes
Year of production:2016


3D compatibility: No
Aspect Ratio:16:9 / 4:3, 16:9
Display Diagonal:55
Display Diagonal (metric):54.3 / 55
Display Resolution:3840 x 2160
Display Technology:LED
Dynamic contrast ratio marketing name:Mega Contrast
HD type:2K Ultra HD / 4K Ultra HD
Motion interpolation frequency:120 / 1500
Motion interpolation technology:PQI (Picture Quality Index) / PQI (Picture Quality Index) 1500
Noise reduction: Yes
PQI (Picture Quality Index):1500
Screen format adjustments:16:9
Screen shape:Curved / Flat
Supported graphics resolutions:3840 x 2160 / 640 x 480 (VGA),720 x 400,720 x 480,720 x 576,800 x 600 (SVGA),832 x 624,1024 x 768 (XGA),1152 x 864 (XGA+),1152 x 870,1280 x 1024 (SXGA),1280 x 720 (HD 720),1280 x 800 (WXGA),1280 x 800,1366 x 768,1440 x 900 (WXGA+),1440 x 900,1600 x 900,1680 x 1050 (WSXGA+),1920 x 1080 (HD 1080),3840 x 2160,4096 x 2160
Supported video modes:2160p / 720p,1080i,1080p,2160p

Energy Management

AC input frequency:50/60
AC input voltage:110 - 120 / 220 - 240
Annual Energy Consumption:154
Energy efficiency compliance:A
Power consumption (max):160 / 170
Power consumption (standby):0.3 / 0.5
Power consumption (typical):111 / 60


On/Off switch:Y / Yes
Smartphone remote support:Y
VESA mounting:N / Y
VESA mounting interfaces:400 x 400

Management Features

Auto power off:Y / Yes
ECO mode:Y / Yes
Electronic Program Guide (EPG):Y
Electronic Programme Guide (EPG): Yes
Firmware upgradeable: Yes
Firmware upgradeable via:USB
Number of OSD languages:27
On Screen Display (OSD):Y / Yes
On/Off timer: Yes
Picture-in-Picture:Y / Yes
Smart modes:Game / Game, Movie / Game, Movie, Natural / Game, Natural / Movie / Movie, Sports


Bluetooth:Y / Yes
Browsing:Y / Yes
Ethernet LAN:N / Y
Ethernet LAN connection: Yes
Near Field Communication (NFC):N
Web browser:Y
Wi-Fi:Y / Yes
Wi-Fi Direct:Y / Yes
Wi-Fi ready:Y
Wi-Fi standards:IEEE 802.11ac
WLAN-ready: Yes

Other Features

Dimming type:UHD / UHD Dimming
Package weight:56 / 56.4

Packaging Content

Batteries included:Y / Yes
Cables included:AC / AC, LAN (RJ-45) / AC, SCART
Desktop stand:Y / Yes
Handheld remote control:Y / Yes
Manual:Y / Yes
Mounting kit:Y / Yes
Quick start guide:Y / Yes
Remote Control Type:TM1640A / TM1680A / TM1680A (FR: TM1680A + TM1240A) / TM1680A + TM1240A

Packaging Data

Package depth:6.18 / 6.42 / 7.68
Package height:32 / 32.2
Package weight:51.6 / 56 / 56.4 / 56.7
Package width:56.1 / 56.2 / 58.5


Ambient light sensor:Y
Audio formats supported:AAC, AIFF, ALAC, APE, ASF, FLAC, M4A, MID, MIDI, MP3, OGG, Vorbis, WAV, WMA / AAC, AIFF, ALAC, APE, FLAC, M4A, MID, MIDI, MP3, MPA, OGG, WAV, WMA
Auto Depth Enhancer:N
BD Wise: Yes
BD Wise Plus:N / Y
Channel list copy function:Y
ConnectShare (HDD):Y
ConnectShare (USB):Y
Digital Clean View:Y
Extended PVR:Y / Yes
Game mode:Y / Yes
HDMI Quick Switch:Y
High Dynamic Range Imaging (HDRI):Y
Image formats supported:BMP, JPEG XR, JPG, MPO, PNG / BMP,JPG,MPO,PNG
Instant On:Y
Local dimming:N / No / Y / Yes
Logical Channel Number (LCN):Y
MBR support:Y
Picture processing technology:Samsung Auto Motion Plus / 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:ASS, MKV, PSB, SMI, SRT, SSA, SUB, TTXT, TXT / ASS,PSB,SMI,SRT,SSA,SUB,TTXT
Subtitles function:Y / Yes
Teletext function:Y / Yes
USB cloning:Y
USB recording:Y
Video compression format:3GP, ASF, AVI, DIVX, FLV, M2TS, MKV, MOV, MP4, MPEG, MTS, SVI, TP, TRP, TS, VOB, VRO
Video compression formats:3GP, ASF, AVI, FLV, MKV, MOV, MP4, MPEG, MPG, VOB, WEBM
Voice control:Y

Ports & interfaces

Audio Return Channel (ARC):Y / Yes
Common interface (CI):N / No / Y / Yes
Common interface Plus (CI+):N / No / Y / Yes
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 / No
Ethernet LAN (RJ-45) ports:1
Ethernet LAN (RJ-45) ports quantity:1
HDMI ports quantity:3
Mobile High-Definition Link (MHL):N
PC in (D-Sub):N / No
RF ports quantity:1 / 2
RS-232 port:1
RS-232 ports:1
SCART ports quantity:1
USB 2.0 ports quantity:2


AC input frequency:50/60
AC input voltage:100 - 240 / 110 - 120 / 220 - 240
Annual Energy Consumption:154 / 186
Energy efficiency class:A
Power consumption (max):1550 / 160 / 170 / 175
Power consumption (standby):0.3 / 0.5
Power consumption (typical):111 / 60

Smart TV

Hybrid Broadcast Broadband TV (HbbTV):Y
Internet TV:Y / Yes
Lifestyle apps:Samsung Smart View
Operating system installed:Tizen
Screen mirroring:Y
Smart TV:Y / Yes
Timeshift:Y / Yes
Video on Demand (VOD) support:Y

Technical Details

Dolby technologies:DTS, Dolby Digital Plus / DTS,Dolby Digital Plus
LED backlight: Yes
RF input:1 / 2
Stand depth:13.1
Wireless Technology:Internet

TV Tuner

Auto channel search:Y / Yes
Digital signal format system:ATSC / DVB-C, DVB-S2, DVB-T, DVB-T2 / DVB-C, DVB-S2, DVB-T2 / DVB-C,DVB-S2,DVB-T2 / DVB-C,DVB-T2
Tuner Type:Analog & digital
Twin tuner:N

Weight & Dimensions

Depth:2.15 / 2.17 / 3.73
Depth (with stand):11.7 / 12.2 / 13.1 / 13.2
Height:28.2 / 28.3
Height (with stand):30.7 / 30.9 / 31
Package depth:6.18 / 6.42 / 7.68
Package height:32 / 32.2
Package weight:51.6 / 56 / 56.4 / 56.7
Package width:56.1 / 56.2 / 58.5
Weight:35.7 / 37.3 / 37.9
Weight with stand:37.9 / 42.1 / 42.8 / 43.2
Width:48.6 / 48.7 / 48.9
Width (with stand):48.6 / 48.7 / 48.9