0 Compare LG 27UL550 vs Dell S2721DS - 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 27UL550 vs Dell S2721DS

General Info
Model Number LG 27UL550 Dell S2721DS
Price
Type Monitor Monitor
Year 2019 2020
Brand LG Dell
Model Number 27UL550 S2721DS
Alias 27UL550-W
Display
Screen Size Class 27" (inches) 27" (inches)
Diagonal Size 26.96 in
68.5 cm
684.7 mm
2.25 ft
26.96 in
68.5 cm
684.7 mm
2.25 ft
Screen Width 23.49 in
59.7 cm
596.736 mm
1.96 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 13.22 in
33.6 cm
335.664 mm
1.1 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Type IPS IPS
Display Bit Depth 10 bits (8 bits + FRC) 8 bits
Frame Rate Control Yes
Max Number of Colors 1073741824 16777216
Bits 30 24
Screen Aspect Ratio 16:9 16:9
Screen Resolution 3840 x 2160 2560 x 1440
Screen Pixel Pitch 0.155 mm 0.233 mm
Screen Pixel Density 163 ppi 109 ppi
Screen-to-Body Ratio 86.66 % 89.83 %
Backlight Source W-LED W-LED
sRGB 98 % 99 %
Screen Brightness 300 cd/m² 350 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 5 ms 4 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 1.81 in
4.6 cm
46 mm
0.15 ft
2.18 in
5.5 cm
55.4 mm
0.18 ft
Case Weight 4.4 kg
10 lbs
4.4 kg
10 lbs
Case Width with Stand 24.53 in
62.3 cm
623 mm
2.04 ft
24.08 in
61.2 cm
611.6 mm
2.01 ft
Case Height with Stand 18.19 in
46.2 cm
462 mm
1.52 ft
15.75 in
40 cm
400.1 mm
1.31 ft
Case Depth with Stand 9.06 in
23 cm
230 mm
0.75 ft
6.88 in
17.5 cm
174.7 mm
0.57 ft
Case Weight with Stand 6 kg
13 lbs
6.2 kg
14 lbs
Case Color White, Gray Silver
Hardware
Built-in Camera No No
Connectivity 1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x DisplayPort 1.2
Audio
Audio Speakers 2 x 3W
Features
Cool Features 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
Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
Extra Features Anti-theft stand lock slot - Kensington Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 24.53 in
62.3 cm
623 mm
2.04 ft
24.08 in
61.2 cm
611.6 mm
2.01 ft
Case Height 14.61 in
37.1 cm
371 mm
1.22 ft
14.35 in
36.5 cm
364.6 mm
1.2 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes Yes
Height Adjustment Range 110 mm
11 cm
4.3307 in
0.3609 ft
110 mm
11 cm
4.3307 in
0.3609 ft
Landscape or Portrait Pivot Support Yes Yes
Left Pivot 90 ° 90 °
Right Pivot 90 ° 90 °
Left or Right Swivel Support No Yes
Left Swivel 30 °
Right Swivel 30 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 15 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 40 Hz - 61 Hz 48 Hz - 75 Hz
Horizontal Digital Frequency 30 kHz - 115 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable
HDMI cable
HDMI cable
Certificates and Standards
Licenses C-Tick
CCC
CECP
CEL
cUL
ENERGY STAR 7.0
Epeat Gold
ErP
FCC Class B
KC
RoHS Compliant
TÜV/GS
VCCI
ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
Usage and Storage Requirements
Safe Operating Temperature Level 5 °C - 35 °C
41 °F - 95 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 85 % 10 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 90 %
Max Operating Altitude 5000
Max Storage Altitude 12192
LG 27UL550 Dell S2721DS