Comparison between:
- 37.5" Dell UltraSharp U3818DW
- 34.14" Dell U3421WE
- 37.5" LG 38GN950

Brand, series, model

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

Dell UltraSharp U3818DWDell U3421WELG 38GN950
SeriesUltraSharpUltraSharpUltraGear
Dell UltraSharp U3818DWDell U3421WELG 38GN950
Model alias-UltraSharp U3421WE38GN950-B
38GN95B
Model year201720202020

Display

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

Size class37.5 in34.14 in37.5 in
Diagonal952.5 mm
95.25 cm
37.5 in
3.125 ft
867.2 mm
86.72 cm
34.1417 in
2.8451 ft
952.5 mm
95.25 cm
37.5 in
3.125 ft
Width879.67 mm
87.967 cm
34.6327 in
2.8861 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
879.36 mm
87.936 cm
34.6205 in
2.885 ft
Height366.53 mm
36.653 cm
14.4303 in
1.2025 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
366.4 mm
36.64 cm
14.4252 in
1.2021 ft
Radius of curvature2300 mm
230 cm
90.5512 in
7.5459 ft
1900 mm
190 cm
74.8031 in
6.2336 ft
-
Panel manufacturerLG DisplayLG Display-
Panel modelLM375QW1-SSA1--
Panel typeAH-IPSAH-IPSIPS
Panel bit depth10 bits10 bits10 bits (8 bits + FRC)
FRC--Yes
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio2.4:12.389:12.4:1
Resolution3840 x 1600 pixels3440 x 1440 pixels3840 x 1600 pixels
Pixel pitch0.229 mm
0.0229 cm
0.009 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.229 mm
0.0229 cm
0.009 in
0.0008 ft
Pixel density111 ppi
43 ppcm
109 ppi
43 ppcm
111 ppi
43 ppcm
Display area90.89 %-91.02 %
BacklightW-LEDW-LEDW-LED
sRGB99 %99 %-
DCI P378.1 %95 %98 %
Brightness350 cd/m²300 cd/m²450 cd/m²
Peak brightness--600 cd/m²
Static contrast1000 : 11000 : 11000 : 1
HDR--HDR10
DisplayHDR 600
Horizontal viewing angle178 °178 °-
Vertical viewing angle178 °178 °-
Minimum response time5 ms
0.0050 s
5 ms
0.0050 s
1 ms
0.0010 s
Average response time8 ms
0.0080 s
8 ms
0.0080 s
-
Maximum response time20 ms
0.0200 s
--
Input lag25 ms
0.0250 s
--
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)
REC 709 - 99%--

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.

Vertical frequency (digital)60 Hz60 Hz48 Hz - 144 Hz
--Overclock - 160 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)3 A3 A-
Power consumption (off)0.5 W0.5 W0.3 W
Power consumption (sleep)0.5 W0.5 W0.3 W
Power consumption (average)56 W36 W70 W
Power consumption (maximum)250 W210 W140 W

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.

Width894 mm
89.4 cm
35.1969 in
2.9331 ft
813.3 mm
81.33 cm
32.0197 in
2.6683 ft
899.16 mm
89.916 cm
35.4 in
2.95 ft
Height396.8 mm
39.68 cm
15.622 in
1.3018 ft
-393.7 mm
39.37 cm
15.5 in
1.2917 ft
Depth55.5 mm
5.55 cm
2.185 in
0.1821 ft
-111.76 mm
11.176 cm
4.4 in
0.3667 ft
Weight9.05 kg
19.95 lbs
7.52 kg
16.58 lbs
7 kg
15.43 lbs
Width with stand894 mm
89.4 cm
35.1969 in
2.9331 ft
813.3 mm
81.33 cm
32.0197 in
2.6683 ft
899.16 mm
89.916 cm
35.4 in
2.95 ft
Height with stand432 mm
43.2 cm
17.0079 in
1.4173 ft
392.8 mm
39.28 cm
15.4646 in
1.2887 ft
477.52 mm
47.752 cm
18.8 in
1.5667 ft
Depth with stand226.4 mm
22.64 cm
8.9134 in
0.7428 ft
237.4 mm
23.74 cm
9.3465 in
0.7789 ft
312.42 mm
31.242 cm
12.3 in
1.025 ft
Weight with stand12.11 kg
26.7 lbs
11.87 kg
26.17 lbs
9.2 kg
20.28 lbs
Box width--1059.18 mm
105.918 cm
41.7 in
3.475 ft
Box height--551.18 mm
55.118 cm
21.7 in
1.8083 ft
Box depth--255.02 mm
25.502 cm
10.0402 in
0.8367 ft
Box weight19.7 kg
43.43 lbs
16.62 kg
36.64 lbs
13.4 kg
29.54 lbs
ColorsBlackPlatinum SilverBlack

Ergonomics

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

VESA mountYesYesYes
VESA interface-100 x 100 mm100 x 100 mm
Removable standYesYesYes
Height adjustmentYesYesYes
Height adjustment range115 mm
11.5 cm
4.5276 in
0.3773 ft
150 mm
15 cm
5.9055 in
0.4921 ft
110 mm
11 cm
4.3307 in
0.3609 ft
Landscape/portrait pivotNoNoNo
Left/right swivelYesYesNo
Left swivel30 °30 °-
Right swivel30 °30 °-
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt21 °21 °15 °

Audio

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

Speakers2 x 9 W2 x 5 W-

Camera

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

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity4 x USB 3.0 (downstream)
1 x USB 3.0 (Type-C)
2 x USB 3.0 (upstream)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode)
1 x USB 3.1 (Type-C; downstream; 15W)
4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps)
1 x USB 3.2 (Type-B; Gen 1; upstream)
1 x Ethernet RJ45
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x USB 3.0 (Type-A; downstream)
1 x USB 3.0 (Type-B; upstream)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

FeaturesPicture-by-Picture
Picture-in-Picture
ComfortView
Flicker-free technology
KVM Switch
Low Blue Light
Picture-by-Picture
Picture-in-Picture
3-Side Virtually Borderless Design
Adaptive-Sync technology
AMD FreeSync Premium Pro
Black Stabilizer
Color Calibrated
Crosshair
Dynamic Action Sync
Flicker-free technology
Game Mode
HDR Effect
Low Blue Light
Nano IPS
NVIDIA G-Sync Compatible
Reader Mode
Smart Energy Saving
Sphere Lighting 2.0
True Color Pro
Variable Backlight
Wide Color Gamut

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCECP
CEL
ENERGY STAR
RoHS Compliant
TCO Certified Displays
Energy Star
EPEAT Gold
RoHS
TCO Certified Displays
TUV Rheinland Flicker Free Certified
TUV Rheinland Low Blue Light Certified
CE
cUL
TÜV-Typ
FCC-B
UL

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
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 80 %10 % - 80 %
Operating altitude5000 m
16404.2 ft
5000 m
16404.2 ft
-
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 90 %5 % - 90 %5 % - 85 %
Storage altitude12192 m
40000 ft
12192 m
40000 ft
-

Accessories

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

AccessoriesDisplayPort cable
Factory Calibration Report
HDMI cable
USB 3.0 upstream cable
USB Type-C cable
DisplayPort cable
HDMI cable
USB Type-A to Type-B cable
USB Type-C to Type-C cable
DisplayPort cable
HDMI cable

Additional features

Information about other features.

Additional featuresSecurity lock slotSecurity lock slot-
 Dell UltraSharp U3818DWDell U3421WELG 38GN950