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Comparison between Dell S2721H vs LG 27UL550

General Info
Model Number Dell S2721H LG 27UL550
Price
Type Monitor Monitor
Year 2020 2019
Brand Dell LG
Model Number S2721H 27UL550
Alias 27UL550-W
Display
Screen Size Class 27" (inches) 27" (inches)
Diagonal Size 27 in
68.6 cm
685.9 mm
2.25 ft
26.96 in
68.5 cm
684.7 mm
2.25 ft
Screen Width 23.54 in
59.8 cm
597.888 mm
1.96 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 13.24 in
33.6 cm
336.312 mm
1.1 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Type IPS IPS
Display Bit Depth 8 bits 10 bits (8 bits + FRC)
Frame Rate Control Yes
Max Number of Colors 16777216 1073741824
Bits 24 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 3840 x 2160
Screen Pixel Pitch 0.311 mm 0.155 mm
Screen Pixel Density 81 ppi 163 ppi
Screen-to-Body Ratio 90.67 % 86.66 %
Backlight Source W-LED W-LED
sRGB 98 %
NTSC 1953 72 %
Screen Brightness 300 cd/m² 300 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 4 ms 5 ms
Display Average Response Time 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
HDR HDR10
3D No No
Size, weight, color
Case Depth 2.13 in
5.4 cm
54 mm
0.18 ft
1.81 in
4.6 cm
46 mm
0.15 ft
Case Weight 4.4 kg
10 lbs
4.4 kg
10 lbs
Case Width with Stand 24.01 in
61 cm
609.9 mm
2 ft
24.53 in
62.3 cm
623 mm
2.04 ft
Case Height with Stand 17.8 in
45.2 cm
452.12 mm
1.48 ft
18.19 in
46.2 cm
462 mm
1.52 ft
Case Depth with Stand 7.35 in
18.7 cm
186.8 mm
0.61 ft
9.06 in
23 cm
230 mm
0.75 ft
Case Weight with Stand 5.4 kg
12 lbs
6 kg
13 lbs
Case Color Silver White, Gray
Hardware
Built-in Camera No No
Connectivity 2 x HDMI 1.4
1 x 3.5 mm Audio Out
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.4
Audio
Audio Speakers 2 x 3W
Features
Cool Features Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
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 Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 24.01 in
61 cm
609.9 mm
2 ft
24.53 in
62.3 cm
623 mm
2.04 ft
Case Height 14.31 in
36.4 cm
363.6 mm
1.19 ft
14.61 in
37.1 cm
371 mm
1.22 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 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 Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 15 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 75 Hz 40 Hz - 61 Hz
Horizontal Digital Frequency 30 kHz - 83 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras HDMI cable DisplayPort cable
HDMI cable
Certificates and Standards
Licenses ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
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 % - 90 %
Max Operating Altitude 5000
Max Storage Altitude 12192
Dell S2721H LG 27UL550