Comparison between:
- 27" Dell S2740L
- 42.51" Dell P4317Q
- 37.5" Dell UltraSharp U3818DW

Brand, series, model

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

Dell S2740LDell P4317QDell UltraSharp U3818DW
Dell S2740LDell P4317QDell UltraSharp U3818DW

Display

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

Size class27 in42.51 in37.5 in
Diagonal685.8 mm
68.58 cm
27 in
2.25 ft
1080 mm
108 cm
42.5197 in
3.5433 ft
952.5 mm
95.25 cm
37.5 in
3.125 ft
Width597.888 mm
59.7888 cm
23.5389 in
1.9616 ft
941.184 mm
94.1184 cm
37.0545 in
3.0879 ft
879.67 mm
87.967 cm
34.6327 in
2.8861 ft
Height336.312 mm
33.6312 cm
13.2406 in
1.1034 ft
529.416 mm
52.9416 cm
20.8431 in
1.7369 ft
366.53 mm
36.653 cm
14.4303 in
1.2025 ft
Radius of curvature--2300 mm
230 cm
90.5512 in
7.5459 ft
Panel manufacturerLG DisplayTP VisionLG Display
Panel modelLM270WF5-SLB1TPT430U3-EQYSHMLM375QW1-SSA1
Panel typeAH-IPSIPSAH-IPS
Panel bit depth8 bits (6 bits + FRC)10 bits (8 bits + FRC)10 bits
FRCYesYes-
Colors16777216 colors
24 bits
1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
2.4:1
Resolution1920 x 1080 pixels
Full HD / 1080p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 1600 pixels
Pixel pitch0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.245 mm
0.0245 cm
0.0096 in
0.0008 ft
0.229 mm
0.0229 cm
0.009 in
0.0008 ft
Pixel density81 ppi
32 ppcm
103 ppi
40 ppcm
111 ppi
43 ppcm
Display area82.37 %90.4 %90.89 %
BacklightW-LEDW-LEDW-LED
sRGB84 %96 %99 %
Adobe RGB (1998)-67 %-
NTSC (1953)72 %72 %-
DCI P3--78.1 %
Brightness270 cd/m²350 cd/m²350 cd/m²
Static contrast1000 : 11000 : 11000 : 1
Dynamic contrast8000000 : 12000000 : 1-
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time7 ms
0.0070 s
6 ms
0.0060 s
5 ms
0.0050 s
Average response time14 ms
0.0140 s
-8 ms
0.0080 s
Maximum response time--20 ms
0.0200 s
Input lag5 ms
0.0050 s
28 ms
0.0280 s
25 ms
0.0250 s
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (2H)Anti-glare/Matte (3H)
CIE1976 - 84%
CIE1931 - 72%
CIE1976 - 82%
CIE1931 - 72%
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.

Horizontal frequency (digital)30 kHz - 83 kHz30 kHz - 83 kHz-
Vertical frequency (digital)56 Hz - 76 Hz56 Hz - 76 Hz60 Hz
-DisplayPort - 3840 x 2160 @ 60 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)1.2 A2 A3 A
Power consumption (off)0.5 W0.3 W0.5 W
Power consumption (sleep)0.5 W0.3 W0.5 W
Power consumption (eco)11 W70 W-
Power consumption (average)21 W-56 W
Power consumption (maximum)35 W160 W250 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.

Width641.9 mm
64.19 cm
25.2717 in
2.106 ft
973.1 mm
97.31 cm
38.311 in
3.1926 ft
894 mm
89.4 cm
35.1969 in
2.9331 ft
Height380.3 mm
38.03 cm
14.9724 in
1.2477 ft
566.4 mm
56.64 cm
22.2992 in
1.8583 ft
396.8 mm
39.68 cm
15.622 in
1.3018 ft
Depth61.9 mm
6.19 cm
2.437 in
0.2031 ft
83 mm
8.3 cm
3.2677 in
0.2723 ft
55.5 mm
5.55 cm
2.185 in
0.1821 ft
Weight5.28 kg
11.64 lbs
14.11 kg
31.11 lbs
9.05 kg
19.95 lbs
Width with stand641.9 mm
64.19 cm
25.2717 in
2.106 ft
973.1 mm
97.31 cm
38.311 in
3.1926 ft
894 mm
89.4 cm
35.1969 in
2.9331 ft
Height with stand458.7 mm
45.87 cm
18.0591 in
1.5049 ft
658 mm
65.8 cm
25.9055 in
2.1588 ft
432 mm
43.2 cm
17.0079 in
1.4173 ft
Depth with stand215.8 mm
21.58 cm
8.4961 in
0.708 ft
250 mm
25 cm
9.8425 in
0.8202 ft
226.4 mm
22.64 cm
8.9134 in
0.7428 ft
Weight with stand7.56 kg
16.67 lbs
17.93 kg
39.53 lbs
12.14 kg
26.76 lbs
ColorsBlackGrayBlack

Ergonomics

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

VESA mountYesYesYes
VESA interface100 x 100 mm100 x 100 mm
200 x 200 mm
-
Removable standYesYesYes
Height adjustmentNoNoYes
Height adjustment range--115 mm
11.5 cm
4.5276 in
0.3773 ft
Landscape/portrait pivotNoNoNo
Left/right swivelNoNoYes
Left swivel--30 °
Right swivel--30 °
Forward/backward tiltYesYesYes
Forward tilt4 °5 °5 °
Backward tilt21 °10 °21 °

Audio

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

Speakers-2 x 8 W2 x 9 W

Camera

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

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x USB 2.0 (downstream)
1 x USB 2.0 (upstream)
1 x HDMI
1 x DVI-D Dual Link
1 x D-sub
1 x 3.5 mm Audio Out
4 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
2 x HDMI 1.4 (MHL)
1 x DisplayPort 1.2
1 x DisplayPort 1.2 (Input mini)
1 x D-sub
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
1 x RS232 (C)
4 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

Features

Some additional functional features of the model.

FeaturesDDC/CI
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR
Epeat Silver
ENERGY STAR 6.0
RoHS Compliant
TCO Certified Displays
CECP
CEL
ENERGY STAR
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
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 80 %10 % - 80 %
Operating altitude3048 m
10000 ft
5000 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 % - 90 %
Storage altitude10668 m
35000 ft
12192 m
40000 ft
12192 m
40000 ft

Accessories

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

AccessoriesD-sub cable
DVI-D cable
USB upstream cable
DisplayPort cable
DisplayPort cable - mini-DP to DP
HDMI cable
USB 3.0 upstream cable
DisplayPort cable
Factory Calibration Report
HDMI cable
USB 3.0 upstream cable
USB Type-C cable

Additional features

Information about other features.

Additional features-Security lock slotSecurity lock slot
 Dell S2740LDell P4317QDell UltraSharp U3818DW