0 Compare LG 55UM7400PLB vs LG 55SK8100PLA - DisplayDB

Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between LG 55UM7400PLB vs LG 55SK8100PLA

General Info
Model Number LG 55UM7400PLB LG 55SK8100PLA
Price
Type TV TV
Year 2019 2018
Brand LG LG
Model Series UM740 SK810
Model Number 55UM7400PLB 55SK8100PLA
Display
Screen Size Class 55" (inches) 55" (inches)
Diagonal Size 54.65 in
138.8 cm
1388 mm
4.55 ft
54.65 in
138.8 cm
1388 mm
4.55 ft
Screen Width 47.63 in
121 cm
1209.75 mm
3.97 ft
47.63 in
121 cm
1209.75 mm
3.97 ft
Screen Height 26.79 in
68 cm
680.483 mm
2.23 ft
26.79 in
68 cm
680.483 mm
2.23 ft
Display Type IPS IPS
Display Bit Depth 10 bits (8 bits + FRC) 10 bits
Frame Rate Control Yes
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 3840 x 2160 3840 x 2160
Screen Pixel Pitch 0.315 mm 0.315 mm
Screen Pixel Density 81 ppi 81 ppi
Screen-to-Body Ratio 91.15 % 92.3 %
Backlight Source Direct LED Edge LED
DCI P3 90% 90%
Rec.2020 67
Screen Brightness 320 cd/m²
Max Screen Brightness 550 cd/m²
Static Screen Contrast 1400 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 14 ms
Display Minimum Response Time 8 ms 5 ms
Display Average Response Time 10 ms 15 ms
Display Maximum Response Time 32 ms
HDR HDR10
HLG (Hybrid Log Gamma)
Advanced HDR
Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
3D No No
Size, weight, color
Case Depth 3.43 in
8.7 cm
87.1 mm
0.29 ft
2.52 in
6.4 cm
64 mm
0.21 ft
Case Weight 14.7 kg
32 lbs
16.1 kg
35 lbs
Case Width with Stand 48.98 in
124.4 cm
1244 mm
4.08 ft
48.7 in
123.7 cm
1237 mm
4.06 ft
Case Height with Stand 31.14 in
79.1 cm
791 mm
2.6 ft
31.26 in
79.4 cm
794 mm
2.6 ft
Case Depth with Stand 10.24 in
26 cm
260 mm
0.85 ft
9.76 in
24.8 cm
248 mm
0.81 ft
Case Weight with Stand 15.6 kg
34 lbs
17.6 kg
39 lbs
Case Color Black Black, Silver
Hardware
CPU Cores 4 4
CPU Frequency 1200 1200
GPU Cores 2 2
RAM Memory Size 2
Internal Storage 4
TV Tuner Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
Analog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
DVB-T2 HD
Built-in Camera No No
Network LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
DLNA
Bluetooth 5.0
LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Bluetooth
Wi-Fi Direct
DLNA
Connectivity 3 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x AV Component In (YPbPr + L/R)
1 x Antenna (RF) (female)
1 x Optical Audio Out
1 x AV Composite In (Video + L/R)
2 x USB 2.0
1 x CI+ 1.4
1 x Ethernet RJ45
4 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x Optical Audio Out
1 x Antenna (RF) (female)
1 x 3.5 mm Audio Out
1 x AV Composite In 3.5 mm jack
3 x USB 2.0
1 x CI+ 1.4
1 x Ethernet RJ45
Audio
Audio Speakers 2 x 10W 2 x 10W
Features
OS webOS 4.5 webOS 4.0
Cool Features Advanced Color Enhancer
Clear Voice III
SIMPLINK (HDMI CEC)
HDCP (High-bandwidth Digital Content Protection) 2.2
LG ThinQ AI
True Color Accuracy
HDR Dynamic Tone Mapping
Google Assistant
4K Active HDR
Voice command
Noise Reduction
4K Upscaler
PVR
ULTRA Luminance
Active Depth Enhancer
PVR
Noise Reduction
Voice command
SIMPLINK (HDMI CEC)
Clear Voice III
Local Dimming
Enhances Dynamic Tone Mapping
HDCP (High-bandwidth Digital Content Protection) 2.2
Nano Cell Display
Luminance Optimizer
True Color Accuracy
Google Assistant
Dynamic Color
4K Cinema HDR
Nano Cell Color
Image Processor - α7 Intelligent Processor
4K Upscaler
LG ThinQ AI
Ergonomics
Case Width 48.98 in
124.4 cm
1244 mm
4.08 ft
48.7 in
123.7 cm
1237 mm
4.06 ft
Case Height 28.58 in
72.6 cm
726 mm
2.38 ft
28.39 in
72.1 cm
721 mm
2.37 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 300 x 300 300 x 300
Removable VESA Stand Yes Yes
Height Adjustment No No
Landscape or Portrait Pivot Support No No
Left or Right Swivel Support No No
Forward and Backward Tilt Support No No
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 120 Hz
Screen Interpolation Technology TruMotion TruMotion
Screen Interpolation Value 100 200
Screen Interpolation Measurement Unit PPI PPI
Accessories
Extras Magic remote control - AN-MR19 3.5 mm composite adapter
Magic remote control - AN-MR18
Certificates and Standards
Licenses ENERGY STAR
RoHS
UL/cUL
ENERGY STAR
RoHS
UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 80 % 10 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 85 % 5 % - 85 %
LG 55UM7400PLB LG 55SK8100PLA