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LG 55UH668V

alaTest has collected and analyzed 127 reviews of LG 55UH668V. The average rating for this product is 4.5/5, compared to an average rating of 4.3/5 for other TVs for all reviews. People really like the design and price. The sound and image quality also get good feedback. Comments are divided on the remote control. Many are less positive 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 TVs the LG 55UH668V is awarded an overall alaScore™ of 90/100 = Excellent quality.

Review analysis

(Based on 127 reviews)

Expert Reviews  

User Reviews  

Showing 121 review(s)

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Showing 1 - 10 of 121 Show Reviews: in English | in other languages (6)

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LG 55UH668V review

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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

Consumer review (

LG 55UH668V


remote controller.


Nov, 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 (

LG 55UH668V


Quick set up

Never a paper manual these days.

Aug, 2017

Consumer review (

LG 55UH668V


good picture

Aug, 2017

Consumer review (

LG 55UH668V


good picture quality


Aug, 2017

Consumer review (

LG 55UH668V


Overall an excellent TV for the price. Would highly recommend it.

Aug, 2017

Consumer review (

LG 55UH668V


Never had a smart tv before but I love it kids cans use it so easy compared to their father

Sound is never consistant and don't know how to put subtitles on has I.m partially deaf

Aug, 2017

Consumer review (

LG 55UH668V


lovely clear picture

controles on remote confusing takes long time to turn on

Aug, 2017

Consumer review (

LG 55UH668V


Remote control is brilliant also being able to use one remote for tv and sky

Dark imaging not the best on films although not a major issue

Aug, 2017

Product Specifications


Built-in speaker(s):Y
Built-in speakers: Yes
Number of loudspeakers:2
Number of Speakers:2
RMS rated power:20


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


Color of product:Black
Peak luminance ratio:65
Year of production:2016


3D compatibility: No
Display Diagonal:55
Display Diagonal (metric):54.7
Display Resolution:3840 x 2160
HD type:4K Ultra HD
High frequency rate:100
LED backlighting type:Edge-LED
Motion interpolation technology:PMI (Picture Mastering Index)
PMI (Picture Mastering Index):1200
Screen shape:Flat
Supported graphics resolutions:3840 x 2160

Energy Management

Annual Energy Consumption:99
Energy efficiency compliance:A+
Power consumption (standby):0.3
Power consumption (typical):68


VESA mounting:Y
VESA mounting interfaces:300 x 300

Management Features

Playback mode:Zoom
Playback Modes:Zoom


Bluetooth: Yes
Browsing: Yes
Ethernet LAN:Y
Ethernet LAN connection: Yes
Wi-Fi: Yes

Packaging Data

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


Local dimming: Yes
USB Recording:Y

Ports & interfaces

Common interface (CI): Yes
Composite video in:1
Digital audio optical out:1
Ethernet LAN (RJ-45) ports:1
Ethernet LAN (RJ-45) ports quantity:1
HDMI ports quantity:3
Headphone outputs:1
Intel Wireless Display (WiDi) Technology: Yes
Intel® Wireless Display (Intel® WiDi):Y
RF ports quantity:2
SCART ports quantity:1
USB 2.0 ports quantity:2


Annual Energy Consumption:99
Energy efficiency class:A+
Power consumption (standby):0.3
Power consumption (typical):68

Smart TV

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

TV Tuner

Digital signal format system:DVB-C, DVB-S2, DVB-T2
Tuner Type:Digital

Weight & Dimensions

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