Comparison between:
- 27" LG 27UL550P
- 27" LG 27GR75Q
- 25" Dell U2520D

Brand, series, model

Information about the brand, series, model and model aliases.

LG 27UL550PLG 27GR75QDell U2520D
Series-UltraGearUltraSharp
LG 27UL550PLG 27GR75QDell U2520D
Model alias27UL550P-WUltraGear 27GR75Q
27GR75Q-B
UltraSharp U2520D
U2520DR
Model year202320232020

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class27 in27 in25 in
Diagonal684.7 mm
68.47 cm
26.9567 in
2.2464 ft
684.667 mm
68.4667 cm
26.9554 in
2.2463 ft
634.4 mm
63.44 cm
24.9764 in
2.0814 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
597.73 mm
59.773 cm
23.5327 in
1.9611 ft
552.96 mm
55.296 cm
21.7701 in
1.8142 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
336.22 mm
33.622 cm
13.237 in
1.1031 ft
311.04 mm
31.104 cm
12.2457 in
1.0205 ft
Panel manufacturer--LG Display
Panel model--LM250WQ4-SSA1
Panel typeIPSIPSIPS
Panel bit depth10 bits (8 bits + FRC)8 bits8 bits
FRCYesNoNo
Colors1073741824 colors
30 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.155 mm
0.0155 cm
0.0061 in
0.0005 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.216 mm
0.0216 cm
0.0085 in
0.0007 ft
Pixel density163 ppi
64 ppcm
108 ppi
42 ppcm
117 ppi
46 ppcm
Display area86.72 %88.19 %91.23 %
BacklightW-LEDW-LEDW-LED
sRGB98 %99 %99 %
DCI P3--95 %
Brightness300 cd/m²300 cd/m²350 cd/m²
Static contrast1000 : 11000 : 11000 : 1
HDRHDR10HDR10DisplayHDR 400
Horizontal viewing angle178 °-178 °
Vertical viewing angle178 °-178 °
Minimum response time5 ms
0.0050 s
4.2 ms
0.0042 s
5 ms
0.0050 s
Average response time--8 ms
0.0080 s
Maximum response time-7.7 ms
0.0077 s
-
Input lag-3.6 ms
0.0036 s
-
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)
-Response time - 1 ms (MPRT - Motion Picture Response Time)-

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)--10 kHz - 120 kHz
Vertical frequency (digital)40 Hz - 61 Hz48 Hz - 165 Hz48 Hz - 75 Hz

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Electric current (A)--2.5 A
Power consumption (off)0.3 W0.3 W0.3 W
Power consumption (sleep)0.5 W0.5 W0.3 W
Power consumption (eco)--20.6 W
Power consumption (average)36 W45 W24 W
Power consumption (maximum)41 W48 W-
Power consumption (annual)--66.2 kWh
Energy efficiency classF--

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width622.6 mm
62.26 cm
24.5118 in
2.0427 ft
614.6 mm
61.46 cm
24.1969 in
2.0164 ft
567.7 mm
56.77 cm
22.3504 in
1.8625 ft
Height371 mm
37.1 cm
14.6063 in
1.2172 ft
370.8 mm
37.08 cm
14.5984 in
1.2165 ft
332.1 mm
33.21 cm
13.0748 in
1.0896 ft
Depth45.8 mm
4.58 cm
1.8031 in
0.1503 ft
50.8 mm
5.08 cm
2 in
0.1667 ft
49.9 mm
4.99 cm
1.9646 in
0.1637 ft
Weight4.4 kg
9.7 lbs
4.04 kg
8.91 lbs
4.2 kg
9.26 lbs
Width with stand622.6 mm
62.26 cm
24.5118 in
2.0427 ft
614.6 mm
61.46 cm
24.1969 in
2.0164 ft
567.7 mm
56.77 cm
22.3504 in
1.8625 ft
Height with stand462 mm
46.2 cm
18.189 in
1.5157 ft
459.7 mm
45.97 cm
18.0984 in
1.5082 ft
382.9 mm
38.29 cm
15.0748 in
1.2562 ft
Depth with stand230.2 mm
23.02 cm
9.063 in
0.7552 ft
292.1 mm
29.21 cm
11.5 in
0.9583 ft
185 mm
18.5 cm
7.2835 in
0.607 ft
Weight with stand6 kg
13.23 lbs
6.17 kg
13.6 lbs
6.4 kg
14.11 lbs
Box width704 mm
70.4 cm
27.7165 in
2.3097 ft
691 mm
69.1 cm
27.2047 in
2.2671 ft
-
Box height518 mm
51.8 cm
20.3937 in
1.6995 ft
513 mm
51.3 cm
20.1969 in
1.6831 ft
-
Box depth192 mm
19.2 cm
7.5591 in
0.6299 ft
185.4 mm
18.54 cm
7.2992 in
0.6083 ft
-
Box weight8.6 kg
18.96 lbs
8.53 kg
18.81 lbs
8.8 kg
19.4 lbs
Stand depth230.2 mm
23.02 cm
9.063 in
0.7552 ft
292.1 mm
29.21 cm
11.5 in
0.9583 ft
-
ColorsWhite
Gray
BlackBlack

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYes
Height adjustmentYesYesYes
Height adjustment range110 mm
11 cm
4.3307 in
0.3609 ft
110 mm
11 cm
4.3307 in
0.3609 ft
130 mm
13 cm
5.1181 in
0.4265 ft
Landscape/portrait pivotYesYesYes
Left pivot90 °0 °90 °
Right pivot90 °90 °90 °
Left/right swivelNoNoYes
Left swivel--45 °
Right swivel--45 °
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt15 °15 °21 °
-One Click Stand-

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x USB 3.0 (Type-C; upstream; 90W; DisplayPort)
1 x USB 3.0 (Type-C; Gen 1; downstream; 15W)
1 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 2A)
2 x USB 3.0 (Type-A; downstream)
1 x HDMI 2.0 (CEC)
1 x DisplayPort 1.4 (out)
1 x DisplayPort 1.4 (in)
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 2.2

Features

Some additional functional features of the model.

Features6-Axis Control
AMD FreeSync technology
Black Stabilizer
Blue Light Filter
DDC/CI
Dynamic Action Sync
Flicker-free technology
Super Resolution+
3-Side Virtually Borderless Design
Adaptive-Sync technology
AMD FreeSync Premium
Auto Input Switch
Black Stabilizer
Crosshair
Dynamic Action Sync
Factory Calibrated
Flicker-free technology
FPS Counter
Game Mode
HDR Effect
Low Blue Light
Motion Blur Reduction Technology
NVIDIA G-Sync Compatible
Reader Mode
Smart Energy Saving
Flicker-free technology
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesC-Tick
CCC
CECP
CEL
cUL
ENERGY STAR 7.0
Epeat Gold
ErP
FCC Class B
KC
RoHS Compliant
TÜV/GS
VCCI
-BFR-free
CEL
ENERGY STAR 6.0
EPEAT
Mercury-free
NFPA 99
PVC-free
RoHS Compliant
TCO Certified Displays

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature5 °C - 35 °C
41 °F - 95 °F
0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 85 %10 % - 80 %10 % - 80 %
Operating altitude--5000 m
16404.2 ft
Storage temperature--20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity-5 % - 85 %5 % - 90 %
Storage altitude--12192 m
40000 ft

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

AccessoriesDisplayPort cable
HDMI cable
DisplayPort cableDisplayPort cable (U2520D)
HDMI cable (U2520DR)
USB Type-C to Type-C cable
USB Type-C to Type-A cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - KensingtonSecurity lock slot
Anti-theft stand lock slot
 LG 27UL550PLG 27GR75QDell U2520D