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Comparison LG 55UM7400 55 " vs LG 55UM7660 55 "

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LG 55UM7400 55 "
LG 55UM7660 55 "
LG 55UM7400 55 "LG 55UM7660 55 "
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Main
Support for Google Assistant, Amazon Alexa, Amazon Echo. AirPlay 2 support
Size55 "55 "
Operating systemSmart TV (proprietary system)Smart TV (proprietary system)
Display
MatrixIPSIPS
Screen surfaceanti-glareanti-glare
Resolution3840x2160 px3840x2160 px
Upscalingup to 4Kup to 4K
Frame rate60 Hz60 Hz
HDR supportHDR10HDR10
Colour enhancement
 /Advanced Colour Enhancer/
 /Advanced Colour Enhancer/
Multimedia
Sound power20 W20 W
Number of speakers22
Audio decodersDTSDTS
Digital tuner
DVB-T2 (terrestrial)
DVB-C (cable)
DVB-S (satellite)
DVB-S2 (satellite)
DVB-T2 (terrestrial)
DVB-C (cable)
DVB-S (satellite)
DVB-S2 (satellite)
Features
Features
AirPlay 2
Wi-Fi 5 (802.11ac)
Miracast
Bluetooth v 5.0
voice control
Amazon Alexa
Google Assistant
AirPlay 2
Wi-Fi 5 (802.11ac)
Miracast
Bluetooth v 5.0
voice control
Amazon Alexa
Google Assistant
Connectors
HDMI34
HDMI versionv 2.0v 2.0
Additional inputs
USB
LAN
component
composite AV input
USB
LAN
component
composite AV input
Outputs
optical
optical
General
Built-in memory4 GB4 GB
RAM1.5 GB1.5 GB
Wall mountVESA 300x300 mmVESA 300x300 mm
Energy efficiency classAA
Dimensions (WxHxD)
1244x791x260 mm /with stand/
1234x784x260 mm /with stand/
Dimensions without stand (WxHxD)1244x726x87 mm1234x717x84 mm
Weight
15.6 kg /with stand/
17.1 kg /with stand/
Color
Added to E-Catalogjuly 2019april 2019

HDMI

The number of HDMI inputs provided in the design of the TV.

HDMI is a comprehensive digital interface that allows high-definition video and multi-channel audio to be transmitted over a single cable. It is widely used in modern HD equipment — in fact, the presence of such an output is mandatory for modern media centers, DVD players, etc. Therefore, LCD TVs in the vast majority of cases are equipped with at least one HDMI port. And the presence of several such ports allows you to simultaneously connect several signal sources and switch between them; in some models, the number of HDMI can reach 4 or even more. At the same time, some manufacturers use technologies that allow you to control devices connected to the TV via HDMI from a single remote control.
LG 55UM7400 often compared
LG 55UM7660 often compared