Comparison between:
- 27" HP 27m
- 27" Dell S2721H
- 27" Dell S2721D

Brand, series, model

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

HP 27mDell S2721HDell S2721D
HP 27mDell S2721HDell S2721D
Model alias3WL48AA--
Model year201920202020

Display

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

Size class27 in27 in27 in
Diagonal685.8 mm
68.58 cm
27 in
2.25 ft
685.9 mm
68.59 cm
27.0039 in
2.2503 ft
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
Width597.888 mm
59.7888 cm
23.5389 in
1.9616 ft
597.888 mm
59.7888 cm
23.5389 in
1.9616 ft
596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
Height336.312 mm
33.6312 cm
13.2406 in
1.1034 ft
336.312 mm
33.6312 cm
13.2406 in
1.1034 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
Panel typeIPSIPSIPS
Panel bit depth8 bits (6 bits + FRC)8 bits8 bits
FRCYes--
Colors16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density81 ppi
32 ppcm
81 ppi
32 ppcm
109 ppi
42 ppcm
Display area87.9 %90.67 %89.83 %
BacklightW-LEDW-LEDW-LED
sRGB--99 %
NTSC (1953)72 %72 %-
Brightness250 cd/m²300 cd/m²320 cd/m²
Static contrast1000 : 11000 : 11000 : 1
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time5 ms
0.0050 s
4 ms
0.0040 s
4 ms
0.0040 s
Average response time-8 ms
0.0080 s
8 ms
0.0080 s
Input lag--10 ms
0.0100 s
CoatingAnti-glare/MatteAnti-glare/Matte (3H)Anti-glare/Matte (3H)

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 - 80 kHz30 kHz - 83 kHz30 kHz - 115 kHz
Vertical frequency (digital)60 Hz48 Hz - 75 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 V
220V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)0.27 W0.3 W0.3 W
Power consumption (sleep)0.4 W0.3 W0.3 W
Power consumption (eco)-14.64 W17.5 W
Power consumption (average)31 W21 W19 W
Power consumption (maximum)35 W41 W40 W
Power consumption (annual)-46.14 kWh54.68 kWh
Energy efficiency classA+--

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.

Width615.1 mm
61.51 cm
24.2165 in
2.018 ft
609.9 mm
60.99 cm
24.0118 in
2.001 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
Height371.9 mm
37.19 cm
14.6417 in
1.2201 ft
363.6 mm
36.36 cm
14.315 in
1.1929 ft
364.6 mm
36.46 cm
14.3543 in
1.1962 ft
Depth37.5 mm
3.75 cm
1.4764 in
0.123 ft
54 mm
5.4 cm
2.126 in
0.1772 ft
55.4 mm
5.54 cm
2.1811 in
0.1818 ft
Weight-4.4 kg
9.7 lbs
4.4 kg
9.7 lbs
Width with stand615.1 mm
61.51 cm
24.2165 in
2.018 ft
609.9 mm
60.99 cm
24.0118 in
2.001 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
Height with stand460.5 mm
46.05 cm
18.1299 in
1.5108 ft
452.12 mm
45.212 cm
17.8 in
1.4833 ft
453.4 mm
45.34 cm
17.8504 in
1.4875 ft
Depth with stand189 mm
18.9 cm
7.4409 in
0.6201 ft
186.8 mm
18.68 cm
7.3543 in
0.6129 ft
186.8 mm
18.68 cm
7.3543 in
0.6129 ft
Weight with stand3.48 kg
7.67 lbs
5.4 kg
11.9 lbs
5.4 kg
11.9 lbs
Box weight-7.7 kg
16.98 lbs
7.9 kg
17.42 lbs
ColorsBlackSilverSilver

Ergonomics

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

VESA mountNoYesYes
VESA interface-100 x 100 mm100 x 100 mm
Removable stand-YesYes
Height adjustmentNoNoNo
Landscape/portrait pivotNoNoNo
Left/right swivelNoNoNo
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt20 °21 °21 °
-Stand width - 257.2 mm
Stand depth - 186.8 mm
Stand width - 257.2 mm
Stand depth - 186.8 mm

Audio

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

Speakers-2 x 3 W2 x 3 W

Camera

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

CameraNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity1 x HDMI 1.4
1 x D-sub
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x DisplayPort 1.2
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) 1.4

Features

Some additional functional features of the model.

FeaturesLow Blue Light3-sided bezeless design
AMD FreeSync technology
Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
Flicker-free technology
Low Blue Light

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBSMI
CB
CCC
CE
CSA
EAC
ENERGY STAR 7.0
FCC Class B
GEMS
IS 1121
ISC
KCC
MEPS
NOM
PSB
RCM
SABS
SASO
TÜV/GS
VCCI-B
WHQL (Windows 10)
ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light

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 temperature5 °C - 35 °C
41 °F - 95 °F
0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity20 % - 80 %10 % - 80 %10 % - 80 %
Operating altitude5000 m
16404.2 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 % - 95 %5 % - 90 %5 % - 90 %
Storage altitude12192 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.

AccessoriesD-sub cable
HDMI cable
HDMI cableHDMI cable

Additional features

Information about other features.

Additional featuresSecurity lock slotAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington
 HP 27mDell S2721HDell S2721D