Comparison between:
- 37.5" Dell UltraSharp U3818DW
- 34" Samsung C34J791
- 37.5" LG 38WK95C
- 32" BenQ PD3200U

Brand, series, model

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

Dell UltraSharp U3818DWSamsung C34J791LG 38WK95CBenQ PD3200U
Dell UltraSharp U3818DWSamsung C34J791LG 38WK95CBenQ PD3200U
Model alias-LC34J791WTEXXS38WK95C-W-

Display

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

Size class37.5 in34 in37.5 in32 in
Diagonal952.5 mm
95.25 cm
37.5 in
3.125 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
952.5 mm
95.25 cm
37.5 in
3.125 ft
813 mm
81.3 cm
32.0079 in
2.6673 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
882.816 mm
88.2816 cm
34.7565 in
2.8964 ft
708.48 mm
70.848 cm
27.8929 in
2.3244 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
367.84 mm
36.784 cm
14.4819 in
1.2068 ft
398.52 mm
39.852 cm
15.6898 in
1.3075 ft
Radius of curvature2300 mm
230 cm
90.5512 in
7.5459 ft
1500 mm
150 cm
59.0551 in
4.9213 ft
2300 mm
230 cm
90.5512 in
7.5459 ft
-
Panel manufacturerLG DisplaySamsungLG DisplayAU Optronics
Panel modelLM375QW1-SSA1-LM375QW1-SSA1M320QAN01.0
Panel typeAH-IPSSVAAH-IPSAHVA IPS
Panel bit depth10 bits8 bits10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRC-NoYesYes
Colors1073741824 colors
30 bits
16777216 colors
24 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio2.4:12.389:12.4:11.778:1
16:9
Resolution3840 x 1600 pixels3440 x 1440 pixels3840 x 1600 pixels3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
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
0.23 mm
0.023 cm
0.0091 in
0.0008 ft
0.185 mm
0.0185 cm
0.0073 in
0.0006 ft
Pixel density111 ppi
43 ppcm
109 ppi
43 ppcm
110 ppi
43 ppcm
137 ppi
54 ppcm
Display area90.89 %91.27 %91.86 %87.39 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB99 %125 %99 %100 %
Adobe RGB (1998)-92 %-73 %
DCI P378.1 %---
Brightness350 cd/m²300 cd/m²300 cd/m²350 cd/m²
Static contrast1000 : 13000 : 11000 : 11000 : 1
Dynamic contrast-100000000 : 1-20000000 : 1
HDR--HDR10-
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time5 ms
0.0050 s
4 ms
0.0040 s
5 ms
0.0050 s
4 ms
0.0040 s
Average response time8 ms
0.0080 s
14 ms
0.0140 s
14 ms
0.0140 s
12 ms
0.0120 s
Maximum response time20 ms
0.0200 s
---
Input lag25 ms
0.0250 s
6 ms
0.0060 s
-7 ms
0.0070 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (2H)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)-30 kHz - 152 kHz30 kHz - 130 kHz-
Vertical frequency (digital)60 Hz48 Hz - 100 Hz56 Hz - 75 Hz60 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 W0.3 W0.3 W0.5 W
Power consumption (sleep)0.5 W0.5 W1.2 W0.5 W
Power consumption (eco)-65 W-25 W
Power consumption (average)56 W180 W60 W44 W
Power consumption (maximum)250 W-70 W110 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
808.7 mm
80.87 cm
31.8386 in
2.6532 ft
897.2 mm
89.72 cm
35.3228 in
2.9436 ft
740.28 mm
74.028 cm
29.1449 in
2.4287 ft
Height396.8 mm
39.68 cm
15.622 in
1.3018 ft
362.8 mm
36.28 cm
14.2835 in
1.1903 ft
394 mm
39.4 cm
15.5118 in
1.2927 ft
436.42 mm
43.642 cm
17.1819 in
1.4318 ft
Depth55.5 mm
5.55 cm
2.185 in
0.1821 ft
167 mm
16.7 cm
6.5748 in
0.5479 ft
91.5 mm
9.15 cm
3.6024 in
0.3002 ft
67.3 mm
6.73 cm
2.6496 in
0.2208 ft
Weight9.05 kg
19.95 lbs
6.3 kg
13.89 lbs
7.7 kg
16.98 lbs
8.5 kg
18.74 lbs
Width with stand894 mm
89.4 cm
35.1969 in
2.9331 ft
808.7 mm
80.87 cm
31.8386 in
2.6532 ft
897.2 mm
89.72 cm
35.3228 in
2.9436 ft
740.28 mm
74.028 cm
29.1449 in
2.4287 ft
Height with stand432 mm
43.2 cm
17.0079 in
1.4173 ft
516 mm
51.6 cm
20.315 in
1.6929 ft
596.3 mm
59.63 cm
23.4764 in
1.9564 ft
491.66 mm
49.166 cm
19.3567 in
1.6131 ft
Depth with stand226.4 mm
22.64 cm
8.9134 in
0.7428 ft
309.4 mm
30.94 cm
12.1811 in
1.0151 ft
234.9 mm
23.49 cm
9.248 in
0.7707 ft
223.62 mm
22.362 cm
8.8039 in
0.7337 ft
Weight with stand12.14 kg
26.76 lbs
7.7 kg
16.98 lbs
9.2 kg
20.28 lbs
-
ColorsBlackWhite
Silver
WhiteBlack

Ergonomics

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

VESA mountYesYesYesYes
VESA interface-100 x 100 mm
200 x 200 mm
100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesYesYesYes
Height adjustment range115 mm
11.5 cm
4.5276 in
0.3773 ft
100 mm
10 cm
3.937 in
0.3281 ft
100 mm
10 cm
3.937 in
0.3281 ft
150 mm
15 cm
5.9055 in
0.4921 ft
Landscape/portrait pivotNoNoNoYes
Left pivot---0 °
Right pivot---90 °
Left/right swivelYesNoNoYes
Left swivel30 °--45 °
Right swivel30 °--45 °
Forward/backward tiltYesYesYesYes
Forward tilt5 °2 °5 °5 °
Backward tilt21 °34 °15 °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 10 W2 x 5 W

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
2 x USB 2.0 (downstream)
1 x HDMI 1.4
1 x DisplayPort 1.2
2 x Thunderbolt 3.0
1 x 3.5 mm Audio Out
2 x USB 3.0 (downstream)
1 x USB 3.0 (Type-C)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
1 x USB (mini)
4 x USB 3.0 (downstream)
2 x USB 3.0 (upstream)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x DisplayPort 1.2 (Input mini)
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
1 x SD Memory Card Slot

Features

Some additional functional features of the model.

FeaturesHDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
AMD FreeSync technology
Eco Saving Plus
Eye Saver Mode
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
6-Axis Control
AMD FreeSync technology
Black Stabilizer
Dynamic Action Sync
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection) 2.2
Picture-by-Picture
Picture-in-Picture
Quick Charge
Screen Split 2.0
AMA (Advanced Motion Accelerator)
CAD/CAM mode
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection) 2.2
Light sensor
Low Blue Light
Picture-by-Picture
Picture-in-Picture

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCECP
CEL
ENERGY STAR
RoHS Compliant
TCO Certified Displays
ENERGY STAR
FCC Class B
ISO9241-307
TÜV/Ergonomics
BSMI
CCC
CE
cTick
ENERGY STAR 7.0
FCC Class B
UL/cUL
ENERGY STAR 7.0
Epeat Silver
TCO Certified Displays 7.0
WHQL (Windows 10; Windows 8.1; 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
10 °C - 40 °C
50 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
-
Operating humidity10 % - 80 %10 % - 80 %10 % - 80 %-
Operating altitude5000 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 % - 95 %5 % - 85 %-
Storage altitude12192 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-C cable
DisplayPort cable - mini-DP to DP
HDMI cable
USB 3.0 cable

Additional features

Information about other features.

Additional featuresSecurity lock slotAnti-theft stand lock slot - KensingtonAnti-theft stand lock slotAnti-theft stand lock slot - Kensington
 Dell UltraSharp U3818DWSamsung C34J791LG 38WK95CBenQ PD3200U