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Comparison between LG 55SK9500PUA vs LG 27UL550

General Info
Model Number LG 55SK9500PUA LG 27UL550
Price
Type TV Monitor
Year 2018 2019
Brand LG LG
Model Series SK950
Model Number 55SK9500PUA 27UL550
Alias 27UL550-W
Display
Screen Size Class 55" (inches) 27" (inches)
Diagonal Size 54.65 in
138.8 cm
1388 mm
4.55 ft
26.96 in
68.5 cm
684.7 mm
2.25 ft
Screen Width 47.63 in
121 cm
1209.75 mm
3.97 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 26.79 in
68 cm
680.483 mm
2.23 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Manufacturer LG Display
Display Type IPS IPS
Display Bit Depth 10 bits 10 bits (8 bits + FRC)
Frame Rate Control No 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 0.155 mm
Screen Pixel Density 81 ppi 163 ppi
Screen-to-Body Ratio 94.61 % 86.66 %
Backlight Source Direct LED (Full-Array Local Dimming) W-LED
DCI P3 94%
Rec.2020 72
sRGB 98 %
Screen Brightness 400 cd/m² 300 cd/m²
Max Screen Brightness 700 cd/m²
Static Screen Contrast 1600 : 1 1000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 15 ms
Display Minimum Response Time 5 ms
Display Maximum Response Time 32 ms
Display Coating Anti-glare/Matte (3H)
HDR Advanced HDR
Dolby Vision
HDR10
HLG (Hybrid Log Gamma)
HDR10
3D No No
Size, weight, color
Case Depth 2.46 in
6.3 cm
62.5 mm
0.21 ft
1.81 in
4.6 cm
46 mm
0.15 ft
Case Weight 17.8 kg
39 lbs
4.4 kg
10 lbs
Case Width with Stand 48.39 in
122.9 cm
1229 mm
4.03 ft
24.53 in
62.3 cm
623 mm
2.04 ft
Case Height with Stand 30.67 in
77.9 cm
779 mm
2.56 ft
18.19 in
46.2 cm
462 mm
1.52 ft
Case Depth with Stand 10.06 in
25.6 cm
255.6 mm
0.84 ft
9.06 in
23 cm
230 mm
0.75 ft
Case Weight with Stand 19.2 kg
42 lbs
6 kg
13 lbs
Case Color Black, Gold White, Gray
Hardware
CPU Cores 4
GPU Cores 2
RAM Memory Size 2
Internal Storage 4
TV Tuner Analog (NTSC/PAL/SECAM)
Clear QAM
ATSC
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)
Bluetooth
Wi-Fi Direct
DLNA
Connectivity 4 x HDMI 2.0 (ARC; CEC)
1 x Satellite In (Main; F-type female)
1 x Optical Audio Out
1 x RS232 (C)
1 x AV Composite In 3.5 mm jack
3 x USB 2.0
1 x Ethernet RJ45
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.4
Audio
Audio Speakers 2 x 10W
Features
OS webOS 4.0
Cool Features Google Assistant
Voice command
HDCP (High-bandwidth Digital Content Protection) 2.2
PVR
LG ThinQ AI
Nano Cell Black
ULTRA Luminance Pro
SIMPLINK (HDMI CEC)
Local Dimming
Image Processor - α7 Intelligent Processor
4K Cinema HDR
True Color Accuracy
Nano Cell Color Pro
4K Upscaler
Nano Cell Display
Black Stabilizer
Blue Light Filter
Dynamic Action Sync
HDCP (High-bandwidth Digital Content Protection) 2.2
Flicker-free technology
DDC/CI
6-Axis Control
Super Resolution+
AMD FreeSync technology
Extra Features Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 48.39 in
122.9 cm
1229 mm
4.03 ft
24.53 in
62.3 cm
623 mm
2.04 ft
Case Height 27.87 in
70.8 cm
708 mm
2.32 ft
14.61 in
37.1 cm
371 mm
1.22 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 300 x 300 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment No Yes
Height Adjustment Range 110 mm
11 cm
4.3307 in
0.3609 ft
Landscape or Portrait Pivot Support No Yes
Left Pivot 90 °
Right Pivot 90 °
Left or Right Swivel Support No No
Forward and Backward Tilt Support No Yes
Forward Tilt 5 °
Backward Tilt 15 °
Frequency and Interpolation
Vertical Digital Frequency 120 Hz 40 Hz - 61 Hz
Screen Interpolation Technology TruMotion
Screen Interpolation Value 240
Screen Interpolation Measurement Unit PPI
Accessories
Extras 3.5 mm composite adapter
Magic remote control - AN-MR18
DisplayPort cable
HDMI cable
Certificates and Standards
Licenses ENERGY STAR
RoHS
UL/cUL
C-Tick
CCC
CECP
CEL
cUL
ENERGY STAR 7.0
Epeat Gold
ErP
FCC Class B
KC
RoHS Compliant
TÜV/GS
VCCI
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
5 °C - 35 °C
41 °F - 95 °F
Safe Operating Humidity Level 10 % - 80 % 10 % - 85 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 85 %
LG 55SK9500PUA LG 27UL550