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LG 55UM7100 vs LG 55UM7400

49.09 in
28.66 in
LG 55UM7100 TV
LG 55UM7100
48.98 in
28.58 in
LG 55UM7400 TV
LG 55UM7400
Available colors
Editiorial reviews
1
1 editorial reviews
The LG UM7300PUA is a good entry-level 4k TV that performs well in most uses. It has wide viewing angles that suit large rooms with wide seating area, and it has...Read more
Read editorial reviews
2
2 editorial reviews
The LG UM7300PUA is a good entry-level 4k TV that performs well in most uses. It has wide viewing angles that suit large rooms with wide seating area, and it has...Read more
The UM7400 definitely isn’t perfect, but there’s lots to admire at the price – especially the HDR performanceRead more
Read editorial reviews
User rating
36
4.4 out of 5
36 user ratings
5 stars
44 %
4 stars
50 %
3 stars
5 %
2 stars
0 %
1 stars
0 %
36
4.0 out of 5
36 user ratings
5 stars
33 %
4 stars
36 %
3 stars
30 %
2 stars
0 %
1 stars
0 %

Full Comparison

Display

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Panel designFlat screenFlat screen
Screen size55.0 in55.0 in
Resolution3840 x 2160 px3840 x 2160 px
Screen TechnologyLEDLED
Aspect ratio16:916:9

Audio properties

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Built-in speaker(s)yesyes
Audio decodersDolby DigitalDTS
File formats supported
  • AAC
  • AC3
  • AC4
  • DTS
  • EAC3
  • HE-AAC
  • MP2
  • MP3
  • PCM
  • WMA
  • aptX / apt-X
AC4

Features

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Operating SystemWeb OSWeb OS
Smart Tvyesyes
USB recording featureyesyes
Time-shiftyesyes
HbbTVYY

Ergonomics

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Vesa mountyesyes
Vesa interface type300x300mm300x300mm

3D Technology

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
3D Supportnono

Connectivity

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Number of HDMI ports33
HDMI version2.02.0
USB 2.0 ports52
Number of component video (YPbPr/YCbCr) inputs11
Number of composite Inputs11
DVI portnono
Audio return channel (ARC)yesyes

Network

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Wireless network (Wi-Fi)yesyes
Wi-Fi standards
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11ac
Wi-Fi 5
DLNAyesyes
Ethernetyesyes
Bluetoothyesyes

Body without stand

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Height28.66 in28.58 in
Width49.09 in48.98 in
Weight30.2 lb32.41 lb
Depth3.48 in3.43 in
Colour of productBlackBlack

Body with stand

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Height28.66 in28.58 in
Width49.09 in48.98 in
Weight30.2 lb32.41 lb
Depth3.48 in3.43 in

Shipping

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Height28.66 in28.58 in
Width49.09 in48.98 in
Weight30.2 lb32.41 lb
Depth3.48 in3.43 in

Energy Efficiency

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Energy classA+A
Annual Energy Use118.0 kWH/year158.0 kWH/year

Frame Interpolation

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Technology
PMI 1600
PMI 1600

Video

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
File formats supported
  • AAC
  • AC3
  • AC4
  • DTS
  • EAC3
  • HE-AAC
  • MP2
  • MP3
  • PCM
  • WMA
  • aptX / apt-X
AC4

Tuner

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
Tuner typeDigitalAnalog & Digital
CI+noyes
CI+ version1.41.4

CPU

LG 55UM7100LG 55UM7100
LG 55UM7400LG 55UM7400
CPU Cores44

Pros & Cons

Pros
      Cons