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LG 55UH66x Series (UH668, UH664, UH661)

alaTest has collected and analyzed 412 reviews of LG 55UH66x Series (UH668, UH664, UH661). 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. Reviewers are impressed by the design and price. The sound and image quality also get good feedback. There are some mixed views about the remote control. Some have doubts about the reliability and color.

usability, image quality, sound, price, design

color, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the LG 55UH66x Series (UH668, UH664, UH661) is awarded an overall alaScore™ of 90/100 = Excellent quality.

Review analysis

(Based on 412 reviews)

Expert Reviews  

User Reviews  

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Consumer review ( review summary for LG 55UH66x Series (UH668, UH664, UH661)


alaTest has collected and analyzed 1 user review of LG 55UH66x Series (UH668, UH664, UH661) from The average user rating for this product is 1.0/5, compared to an average user rating of 4.3/5 for other products in the same category on

0% of the reviews on give this product a positive rating.

This summary is based on the products: LG 55UH661V 55 inch Ultra HD 4K Smart TV webOS (2016 Model) - SilverLG 55UH661V 55 inch Ultra HD 4K Smart TV webOS (2016 Model) - Silver

Dec, 2018

Expert review by (

LG 55UH668V review

  (Rating Hidden)

While it's far from the most expensive TV in LG's 2016 range, the 55UH668V doesn't scrimp on features. With support for 4K HDR content plus access to the Freeview Play system, there's hardly a thing missing. But does it impress in the lab? Find out in...

Oct, 2016

Expert review by (

LG 55UH661V review

  (Rating Hidden)

This 4K HDR LG is bang up to date with the latest 'must-have' features. With Freeview HD and a satellite HD tuner as well, you'll have plenty to get your teeth stuck into. But will you be revelling in fantastic picture quality or just reaching for the...

May, 2016

Consumer review (

LG 55UH668V


remote controller.


Nov, 2017

Consumer review (

LG 555uh661v


I really like ,recommend this TV, good quality ☺☺☺

Nov, 2017

Consumer review (

super tv


i bought this 11 months ago, lovely tv very pleased with all the many features, easy to set up,very happy with the picture,and so easy to catch up with freeview.

Nov, 2017

Consumer review (

Great tv with great features


2nd Tv of this type I had to return. As developed a fault. Seems like these Tv companies don't test there products properly .

Oct, 2017

Consumer review (

LG 55UH668V


Great picture quality and access the all of the major streaming services

The TV guide requires a few seconds loading time which is just a bit too long to be comfortable

Oct, 2017

Consumer review (

absolutely brilliant


Bought this tv to replace my Lg49" tv . So pleased i did......

Sep, 2017

Consumer review (



had this awhile now and its great so easy to use lots todo on it.

Sep, 2017

Consumer review (

LG 55UH661V


Frame size Picture quality Ease of use

Wifi connection a bit temperamental hard wired it in the end. Needs more internal storage memory for apps

Sep, 2017

Product Specifications


Audio decoders:Dolby Digital
Audio decoding technologies:DTS-HD,Dolby Digital Plus
Built-in audio decoders:Dolby Digital
Built-in speaker(s):Y / Yes
Built-in speakers: Yes
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:20


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


Color of product:Black / White
Peak luminance ratio:65
VESA mounting:Y
VESA mounting interfaces:300 x 300
Year of production:2016


3D:N / No
3D compatibility: No
Aspect Ratio:16:9
Display Diagonal:55
Display Diagonal (metric):54.7
Display Resolution:3840 x 2160
Display Technology:LED
HD type:4K Ultra HD
High frequency rate:100
LED backlighting type:Direct-LED / Edge-LED
Motion interpolation technology:PMI (Picture Mastering Index)
Peak luminance ratio:65
PMI (Picture Mastering Index):1200 / 1700
Screen format adjustments:16:9 / 4:3, 16:9, Zoom
Screen shape:Flat
Supported graphics resolutions:3840 x 2160
Supported video modes:2160p
Viewing angle, horizontal:178
Viewing angle, vertical:178

Energy Management

AC input frequency:50/60
AC input voltage:100 - 240
Annual Energy Consumption:110.96 / 111 / 99
Energy efficiency compliance:A+
Power consumption (standby):0.3
Power consumption (typical):68 / 76


On/Off switch: Yes
VESA mounting:Y / Yes
VESA mounting interfaces:300 x 300

Management Features

ECO mode: Yes
Electronic Program Guide (EPG): Yes
Electronic Programme Guide (EPG): Yes
Playback mode:Zoom
Playback Modes:Zoom
Programming period:8
Smart modes:Cinema, Game, Photo, Standard, Vivid


Bluetooth: Yes
Browsing: Yes
Ethernet LAN:Y / Yes
Ethernet LAN connection: Yes
Miracast:Y / Yes
Wi-Fi: Yes
Wi-Fi Direct: Yes
Wi-Fi standards:IEEE 802.11ac

Other Features

Timer: Yes

Packaging Content

Batteries included: Yes
Cables included:AC
Handheld remote control: Yes
Manual: Yes
Remote Control Type:AN-MR650 / L-Con

Packaging Data

Package depth:6.89
Package height:33.9
Package weight:49.2 / 52.5
Package width:53.5


Audio formats supported:AAC, ADPCM, AMR-WB, HE-AAC, LPCM, PCM, WMA
Child lock: Yes
Clock function: Yes
Digital Video Recorder (DVR): Yes
High Dynamic Range Imaging (HDRI):Y / Yes
Local dimming: Yes
Processor cores:4
Subtitles function: Yes
Teletext function: Yes
USB recording:Y
Video compression format:H.264, M-JPEG, MPEG1, MPEG2, MPEG4, RV, VC-1, VP8, VP9, XVID / H.265
Video formats supported:H.264,H.265,M-JPEG,MPEG1,MPEG2,MPEG4,RV,VC-1,VP8,VP9,XVID / H.265

Ports & interfaces

Audio (L,R) in:1
Audio (L,R) out:1
Common interface (CI): Yes
Common interface Plus (CI+): Yes
Common interface Plus (CI+) version:1.3
Component video (YPbPr/YCbCr) in:1
Composite video in:1
Consumer Electronics Control (CEC):SimpLink
Digital audio optical out:1
DVI port: No
Ethernet LAN (RJ-45) ports:1
Ethernet LAN (RJ-45) ports quantity:1
HDMI ports quantity:3
HDMI version:2.0a
Headphone outputs:1
Intel Wireless Display (WiDi) Technology: Yes
Intel® Wireless Display (Intel® WiDi):Y / Yes
PC in (D-Sub): No
RF ports quantity:1 / 2
RS-232 port:1
RS-232 ports:1
SCART ports quantity:1
USB 2.0 ports quantity:1 / 2


AC input frequency:50/60
AC input voltage:100 - 240
Annual Energy Consumption:111 / 99
Energy efficiency class:A+
Power consumption (standby):0.3
Power consumption (typical):68 / 76

Smart TV

Hybrid Broadcast Broadband TV (HbbTV):Y / Yes
Operating system installed:Web OS
Operating system version:3.0
Smart TV: Yes
Timeshift: Yes
Video apps:Netflix

Technical Details

Timer: Yes

TV Tuner

Digital signal format system:DVB-C, DVB-S2, DVB-T2
Tuner Type:Analog & digital / Digital

Weight & Dimensions

Depth (with stand):11.1
Height (with stand):31
Package depth:6.89
Package height:33.9
Package weight:49.2 / 52.5
Package width:53.5
Weight:36.4 / 40.1
Weight with stand:40.1
Width (with stand):48.8