Comparison between:
- 23.7" LG 24MD4KL
- 23.8" AOC Q24N3R
- 25" HP Z25xs G3 QHD
- 25" Dell U2520D

Brand, series, model

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

LG 24MD4KLAOC Q24N3RHP Z25xs G3 QHDDell U2520D
SeriesUltraFine--UltraSharp
LG 24MD4KLAOC Q24N3RHP Z25xs G3 QHDDell U2520D
Model alias24MD4KL-B
24MD4KLB
24MD4KLB-B
UltraFine 4K 24MD4KL
-1A9C9AAUltraSharp U2520D
U2520DR
Model year2019202120212020

Display

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

Size class23.7 in23.8 in25 in25 in
Diagonal602 mm
60.2 cm
23.7008 in
1.9751 ft
604.478 mm
60.4478 cm
23.7983 in
1.9832 ft
634.4 mm
63.44 cm
24.9764 in
2.0814 ft
634.4 mm
63.44 cm
24.9764 in
2.0814 ft
Width524.688 mm
52.4688 cm
20.657 in
1.7214 ft
526.848 mm
52.6848 cm
20.742 in
1.7285 ft
535.5 mm
53.55 cm
21.0827 in
1.7569 ft
552.96 mm
55.296 cm
21.7701 in
1.8142 ft
Height295.137 mm
29.5137 cm
11.6196 in
0.9683 ft
296.352 mm
29.6352 cm
11.6674 in
0.9723 ft
338.8 mm
33.88 cm
13.3386 in
1.1115 ft
311.04 mm
31.104 cm
12.2457 in
1.0205 ft
Panel manufacturerLG Display---
Panel typeAH-IPSIPSIPSIPS
Panel bit depth10 bits (8 bits + FRC)8 bits (6 bits + FRC)10 bits (8 bits + FRC)8 bits
FRCYesYesYesNo
Colors1073741824 colors
30 bits
16777216 colors
24 bits
1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
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
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.137 mm
0.0137 cm
0.0054 in
0.0004 ft
0.206 mm
0.0206 cm
0.0081 in
0.0007 ft
0.216 mm
0.0216 cm
0.0085 in
0.0007 ft
0.216 mm
0.0216 cm
0.0085 in
0.0007 ft
Pixel density186 ppi
73 ppcm
123 ppi
48 ppcm
121 ppi
47 ppcm
117 ppi
46 ppcm
Display area84.95 %88.55 %95.75 %91.23 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB-99 %99 %99 %
NTSC (1953)-84 %--
DCI P398 %90 %98 %95 %
Brightness540 cd/m²530 cd/m²266 cd/m²350 cd/m²
Peak brightness--500 cd/m²-
Static contrast1200 : 11000 : 11000 : 11000 : 1
Dynamic contrast-50000000 : 110000000 : 1-
HDR-DisplayHDR 400DisplayHDR 400DisplayHDR 400
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time-4 ms
0.0040 s
14 ms
0.0140 s
5 ms
0.0050 s
Average response time14 ms
0.0140 s
--8 ms
0.0080 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/MatteAnti-glare/Matte (3H)

3D

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

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)30 kHz - 135 kHz30 kHz - 140 kHz31 kHz - 88 kHz10 kHz - 120 kHz
Vertical frequency (digital)48 Hz - 60 Hz48 Hz - 75 Hz50 Hz - 60 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 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Electric current (A)2.3 A1.5 A-2.5 A
Power consumption (off)0.3 W0.3 W0.5 W0.3 W
Power consumption (sleep)1 W0.5 W0.5 W0.3 W
Power consumption (eco)34.2 W--20.6 W
Power consumption (average)140 W28 W35 W24 W
Power consumption (maximum)200 W-205 W-
Power consumption (annual)---66.2 kWh

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.

Width556.3 mm
55.63 cm
21.9016 in
1.8251 ft
540.2 mm
54.02 cm
21.2677 in
1.7723 ft
569 mm
56.9 cm
22.4016 in
1.8668 ft
567.7 mm
56.77 cm
22.3504 in
1.8625 ft
Height327.7 mm
32.77 cm
12.9016 in
1.0751 ft
326.4 mm
32.64 cm
12.8504 in
1.0709 ft
333 mm
33.3 cm
13.1102 in
1.0925 ft
332.1 mm
33.21 cm
13.0748 in
1.0896 ft
Depth50.8 mm
5.08 cm
2 in
0.1667 ft
50.7 mm
5.07 cm
1.9961 in
0.1663 ft
46 mm
4.6 cm
1.811 in
0.1509 ft
49.9 mm
4.99 cm
1.9646 in
0.1637 ft
Weight5.2 kg
11.46 lbs
3.53 kg
7.78 lbs
-4.2 kg
9.26 lbs
Width with stand556.3 mm
55.63 cm
21.9016 in
1.8251 ft
540.2 mm
54.02 cm
21.2677 in
1.7723 ft
569 mm
56.9 cm
22.4016 in
1.8668 ft
567.7 mm
56.77 cm
22.3504 in
1.8625 ft
Height with stand419.1 mm
41.91 cm
16.5 in
1.375 ft
385.6 mm
38.56 cm
15.1811 in
1.2651 ft
368 mm
36.8 cm
14.4882 in
1.2073 ft
382.9 mm
38.29 cm
15.0748 in
1.2562 ft
Depth with stand309.9 mm
30.99 cm
12.2008 in
1.0167 ft
219.5 mm
21.95 cm
8.6417 in
0.7201 ft
205 mm
20.5 cm
8.0709 in
0.6726 ft
185 mm
18.5 cm
7.2835 in
0.607 ft
Weight with stand7 kg
15.43 lbs
5.34 kg
11.77 lbs
6.2 kg
13.67 lbs
6.4 kg
14.11 lbs
Box width-610 mm
61 cm
24.0157 in
2.0013 ft
--
Box height-525 mm
52.5 cm
20.6693 in
1.7224 ft
--
Box depth-160 mm
16 cm
6.2992 in
0.5249 ft
--
Box weight-7.18 kg
15.83 lbs
-8.8 kg
19.4 lbs
Stand depth-219.5 mm
21.95 cm
8.6417 in
0.7201 ft
--
ColorsBlackBlack and GrayTurbo SilverBlack

Ergonomics

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

VESA mountYesYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesYesYesYes
Height adjustment range110 mm
11 cm
4.3307 in
0.3609 ft
150 mm
15 cm
5.9055 in
0.4921 ft
150 mm
15 cm
5.9055 in
0.4921 ft
130 mm
13 cm
5.1181 in
0.4265 ft
Landscape/portrait pivotNoYesYesYes
Left pivot-90 °0 °90 °
Right pivot-90 °90 °90 °
Left/right swivelNoYesYesYes
Left swivel-175 °45 °45 °
Right swivel-175 °45 °45 °
Forward/backward tiltYesYesYesYes
Forward tilt2 °5 °5 °5 °
Backward tilt25 °35 °20 °21 °

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 5 W2 x 2 W--

Camera

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

CameraNoNoNoNo

Network

Supported network technologies and standards for exchanging data with other devices.

Network--LAN-

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity3 x USB 3.0 (Type-C)
2 x Thunderbolt (85 W)
4 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-B; upstream)
1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x USB 3.1 (Type-C; Gen 1; downstream; 15W; DP Alt Mode)
1 x USB 3.1 (Type-C; Gen 1; upstream; 100W; DP Alt Mode)
3 x USB 3.2 (Type-A; Gen 1; downstream)
1 x Ethernet RJ45
1 x HDMI 2.0
1 x DisplayPort 1.4 (in)
1 x DisplayPort 1.4 (out)
2 x USB 3.0 (Type-A; downstream)
1 x USB 3.0 (Type-A; downstream; BC 1.2 charging at 2A)
1 x USB 3.0 (Type-C; Gen 1; downstream; 15W)
1 x USB 3.0 (Type-C; upstream; 90W; DisplayPort)
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)High-bandwidth Digital Content Protection (HDCP) 1.4High-bandwidth Digital Content Protection (HDCP) 2.2High-bandwidth Digital Content Protection (HDCP) 2.2

Features

Some additional functional features of the model.

FeaturesFlicker-free technology
Nano IPS
Wide Color Gamut
Clear Vision
DDC2B (DDC/CI compatible)
Dynamic Colour Boost (DCB) technology
Dynamic Contrast Ratio (DCR) technology
Flicker-free technology
HDR Mode
KVM Switch
Low Blue Light
Factory Calibrated
Flicker-free technology
Low Blue Light
Pantone Validated
Picture-by-Picture
Picture-in-Picture
Flicker-free technology
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBSMI
CCC
CE
ENERGY STAR
FCC Class B
UL/cUL
CCC
CECP
CEL
CH RoHS
Win10
Australian-New Zealand MEPS
BIS
BSMI
CB
CCC
CE
CECP
CEL
cTUVus
EAC
ENERGY STAR
FCC
GS Mark
ISO 9241-307
KC/KCC
NOM
PSB
SEPA
TCO Certified
TCO Certified Edge
TUV-S
VCCI
WEEE
Ukraine Energy label
WW application
UAE
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 temperature0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
5 °C - 35 °C
41 °F - 95 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 85 %20 % - 80 %10 % - 80 %
Operating altitude-5000 m
16404.2 ft
5000 m
16404.2 ft
5000 m
16404.2 ft
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-25 °C - 55 °C
-13 °F - 131 °F
-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 85 %5 % - 93 %5 % - 95 %5 % - 90 %
Storage altitude-12192 m
40000 ft
12192 m
40000 ft
12192 m
40000 ft

Accessories

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

AccessoriesThunderbolt cable
USB Type-C cable
HDMI cable
USB Type-B cable
USB Type-C to Type-C cable
DisplayPort cable
HDMI cable
USB Type-C to Type-A cable
USB Type-C to Type-C cable
DisplayPort 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 features-Security lock slotSecurity lock slotSecurity lock slot
Anti-theft stand lock slot
 LG 24MD4KLAOC Q24N3RHP Z25xs G3 QHDDell U2520D