Comparison between:
- 37.5" Dell UltraSharp U3818DW
- 37.5" Acer XR382CQK
- 37.5" ViewSonic VP3881
- 37.5" HP Z38c

Brand, series, model

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

Dell UltraSharp U3818DWAcer XR382CQKViewSonic VP3881HP Z38c
Dell UltraSharp U3818DWAcer XR382CQKViewSonic VP3881HP Z38c
Model alias---Z4W65A4

Display

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

Size class37.5 in37.5 in37.5 in37.5 in
Diagonal952.5 mm
95.25 cm
37.5 in
3.125 ft
952.5 mm
95.25 cm
37.5 in
3.125 ft
952.5 mm
95.25 cm
37.5 in
3.125 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
882.816 mm
88.2816 cm
34.7565 in
2.8964 ft
879.667 mm
87.9667 cm
34.6326 in
2.886 ft
882.816 mm
88.2816 cm
34.7565 in
2.8964 ft
Height366.53 mm
36.653 cm
14.4303 in
1.2025 ft
367.84 mm
36.784 cm
14.4819 in
1.2068 ft
366.528 mm
36.6528 cm
14.4302 in
1.2025 ft
367.84 mm
36.784 cm
14.4819 in
1.2068 ft
Radius of curvature2300 mm
230 cm
90.5512 in
7.5459 ft
2300 mm
230 cm
90.5512 in
7.5459 ft
2300 mm
230 cm
90.5512 in
7.5459 ft
2300 mm
230 cm
90.5512 in
7.5459 ft
Panel manufacturerLG DisplayLG DisplayLG DisplayLG Display
Panel modelLM375QW1-SSA1LM375QW1-SSA1LM375QW1-SSA1LM375QW1-SSA1
Panel typeAH-IPSAH-IPSAH-IPSAH-IPS
Panel bit depth10 bits10 bits (8 bits + FRC)10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRC-YesYesYes
LUT--3D LUT
14 bits
-
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio2.4:12.4:12.4:12.4:1
Resolution3840 x 1600 pixels3840 x 1600 pixels3840 x 1600 pixels3840 x 1600 pixels
Pixel pitch0.229 mm
0.0229 cm
0.009 in
0.0008 ft
0.23 mm
0.023 cm
0.0091 in
0.0008 ft
0.229 mm
0.0229 cm
0.009 in
0.0008 ft
0.23 mm
0.023 cm
0.0091 in
0.0008 ft
Pixel density111 ppi
43 ppcm
110 ppi
43 ppcm
111 ppi
43 ppcm
110 ppi
43 ppcm
Display area90.89 %-90.41 %90.77 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB99 %100 %99.52 %98 %
Adobe RGB (1998)--75.67 %-
NTSC (1953)--76.12 %-
DCI P378.1 %---
Brightness350 cd/m²300 cd/m²300 cd/m²300 cd/m²
Static contrast1000 : 11000 : 11000 : 11000 : 1
Dynamic contrast-100000000 : 120000000 : 15000000 : 1
HDR--HDR10-
Horizontal viewing angle178 °172 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time5 ms
0.0050 s
5 ms
0.0050 s
5 ms
0.0050 s
5 ms
0.0050 s
Average response time8 ms
0.0080 s
14 ms
0.0140 s
14 ms
0.0140 s
14 ms
0.0140 s
Maximum response time20 ms
0.0200 s
-23 ms
0.0230 s
-
Input lag25 ms
0.0250 s
13 ms
0.0130 s
22 ms
0.0220 s
30 ms
0.0300 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)Anti-glare/Matte
REC 709 - 99%---

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)--15 kHz - 135 kHz27 kHz - 130 kHz
Vertical frequency (digital)60 Hz75 Hz24 Hz - 75 Hz24 Hz - 76 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)3 A---
Power consumption (off)0.5 W-0.3 W0.5 W
Power consumption (sleep)0.5 W-0.5 W0.5 W
Power consumption (eco)--132 W64 W
Power consumption (average)56 W51 W155 W80 W
Power consumption (maximum)250 W-170 W195 W
Energy efficiency class---B

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
-896 mm
89.6 cm
35.2756 in
2.9396 ft
895.5 mm
89.55 cm
35.2559 in
2.938 ft
Height396.8 mm
39.68 cm
15.622 in
1.3018 ft
-398 mm
39.8 cm
15.6693 in
1.3058 ft
399.5 mm
39.95 cm
15.7283 in
1.3107 ft
Depth55.5 mm
5.55 cm
2.185 in
0.1821 ft
-103.14 mm
10.314 cm
4.0606 in
0.3384 ft
104.2 mm
10.42 cm
4.1024 in
0.3419 ft
Weight9.05 kg
19.95 lbs
-7.97 kg
17.57 lbs
-
Width with stand894 mm
89.4 cm
35.1969 in
2.9331 ft
896.8 mm
89.68 cm
35.3071 in
2.9423 ft
896 mm
89.6 cm
35.2756 in
2.9396 ft
895.5 mm
89.55 cm
35.2559 in
2.938 ft
Height with stand432 mm
43.2 cm
17.0079 in
1.4173 ft
457.6 mm
45.76 cm
18.0157 in
1.5013 ft
629.24 mm
62.924 cm
24.7732 in
2.0644 ft
558.7 mm
55.87 cm
21.9961 in
1.833 ft
Depth with stand226.4 mm
22.64 cm
8.9134 in
0.7428 ft
308.9 mm
30.89 cm
12.1614 in
1.0135 ft
298.8 mm
29.88 cm
11.7638 in
0.9803 ft
248 mm
24.8 cm
9.7638 in
0.8136 ft
Weight with stand12.14 kg
26.76 lbs
-12.69 kg
27.98 lbs
13.8 kg
30.42 lbs
ColorsBlackSilverBlackBlack

Ergonomics

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

VESA mountYesYesYesYes
VESA interface-100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesYesYesYes
Height adjustment range115 mm
11.5 cm
4.5276 in
0.3773 ft
130 mm
13 cm
5.1181 in
0.4265 ft
130 mm
13 cm
5.1181 in
0.4265 ft
120 mm
12 cm
4.7244 in
0.3937 ft
Landscape/portrait pivotNoNoNoNo
Left/right swivelYesYesYesYes
Left swivel30 °30 °60 °45 °
Right swivel30 °30 °60 °45 °
Forward/backward tiltYesYesYesYes
Forward tilt5 °5 °1 °5 °
Backward tilt21 °35 °21 °20 °

Audio

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

Speakers2 x 9 W2 x 7 W2 x 5 W-
-DTSD-class amplifier-

Camera

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

CameraNoNoNoNo

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 (Type-C)
4 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
1 x HDMI 2.0 (MHL 2.1)
1 x DisplayPort (Output)
1 x DisplayPort 1.2 (Input mini)
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
1 x USB 3.0 (upstream)
1 x USB 3.0 (Type-C)
3 x USB 3.0 (downstream)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
3 x USB 3.0 (downstream)
1 x USB 3.1
1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out

Features

Some additional functional features of the model.

FeaturesHDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
AMD FreeSync technology
Blue Light Filter
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
Blue Light Filter
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection) 2.2
Picture-by-Picture
Picture-in-Picture
SuperClear IPS Panel Technology
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCECP
CEL
ENERGY STAR
RoHS Compliant
TCO Certified Displays
-CB
CCC
CE
CEL Level 1
CU
ErP
eStandby
FCC Class B
REACH SVHC List & DoC
RoHS
VCCI
WEEE
BSMI
CB
CCC
CE
CECP
CEL Grade 1
CSA
EAC
EEI
ENERGY STAR
eStandby
FCC Class B
IS 1121
ISC
KCC
MEPS
NOM
PSB
RCM
S mark
SASO
TÜV/S
UL/CSA
VCCI-B
WHQL (Windows 10; Windows 8; Windows 7)

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 % - 85 %20 % - 80 %
Operating altitude5000 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 - 65 °C
-4 °F - 149 °F
Storage humidity5 % - 90 %-5 % - 93 %10 % - 90 %
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
-Audio cable
DisplayPort cable
HDMI cable
USB 3.0 upstream cable
USB Type-C cable
DisplayPort cable
HDMI cable
USB Type-C cable

Additional features

Information about other features.

Additional featuresSecurity lock slot-Anti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington
 Dell UltraSharp U3818DWAcer XR382CQKViewSonic VP3881HP Z38c