Comparison between:
- 27" Asus PA278QV
- 27" Dell S2721DGF
- 27" Asus VA27AQSB

Brand, series, model

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

Asus PA278QVDell S2721DGFAsus VA27AQSB
SeriesProArt--
Asus PA278QVDell S2721DGFAsus VA27AQSB
Model year202020202020

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
684.7 mm
68.47 cm
26.9567 in
2.2464 ft
684.667 mm
68.4667 cm
26.9554 in
2.2463 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
596.74 mm
59.674 cm
23.4937 in
1.9578 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
Panel typeIPSIPSIPS
Panel bit depth8 bits10 bits (8 bits + FRC)8 bits
FRCNoYes-
Colors16777216 colors
24 bits
1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density109 ppi
42 ppcm
109 ppi
42 ppcm
109 ppi
42 ppcm
Display area87.55 %90.07 %89.2 %
BacklightW-LEDW-LEDW-LED
sRGB100 %144 %-
Adobe RGB (1998)-85 %-
DCI P3-98 %-
Brightness350 cd/m²360 cd/m²350 cd/m²
Peak brightness-480 cd/m²-
Static contrast1000 : 11000 : 11000 : 1
Dynamic contrast100000000 : 1-100000000 : 1
HDR-DisplayHDR 400-
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time5 ms
0.0050 s
1 ms
0.0010 s
5 ms
0.0050 s
Average response time-4 ms
0.0040 s
-
Maximum response time-6 ms
0.0060 s
-
Input lag-3.7 ms
0.0037 s
-
CoatingAnti-glare/MatteAnti-glare/Matte (3H)Anti-glare/Matte

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 (analog)30 kHz - 105 kHz--
Horizontal frequency (digital)30 kHz - 105 kHz-24 kHz - 112 kHz
Vertical frequency (analog)49 Hz - 75 Hz--
Vertical frequency (digital)49 Hz - 75 Hz30 Hz - 165 Hz48 Hz - 75 Hz
-DisplayPort - 2560 x 1440 @ 165 Hz
HDMI - 2560 x 1440 @ 144 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)-1.6 A-
Power consumption (off)--0.5 W
Power consumption (sleep)0.5 W0.3 W0.5 W
Power consumption (average)18.6 W32 W40 W
Power consumption (maximum)-90 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.

Width615 mm
61.5 cm
24.2126 in
2.0177 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
613.83 mm
61.383 cm
24.1665 in
2.0139 ft
Height372 mm
37.2 cm
14.6457 in
1.2205 ft
363.6 mm
36.36 cm
14.315 in
1.1929 ft
365.81 mm
36.581 cm
14.402 in
1.2002 ft
Depth51 mm
5.1 cm
2.0079 in
0.1673 ft
67.8 mm
6.78 cm
2.6693 in
0.2224 ft
51.54 mm
5.154 cm
2.0291 in
0.1691 ft
Weight4.96 kg
10.93 lbs
4.5 kg
9.92 lbs
4.41 kg
9.72 lbs
Width with stand615 mm
61.5 cm
24.2126 in
2.0177 ft
611.6 mm
61.16 cm
24.0787 in
2.0066 ft
613.83 mm
61.383 cm
24.1665 in
2.0139 ft
Height with stand382 mm
38.2 cm
15.0394 in
1.2533 ft
393.9 mm
39.39 cm
15.5079 in
1.2923 ft
367.9 mm
36.79 cm
14.4843 in
1.207 ft
Depth with stand226 mm
22.6 cm
8.8976 in
0.7415 ft
200.3 mm
20.03 cm
7.8858 in
0.6572 ft
226.3 mm
22.63 cm
8.9094 in
0.7425 ft
Weight with stand7.72 kg
17.02 lbs
-6.69 kg
14.75 lbs
Box width735 mm
73.5 cm
28.937 in
2.4114 ft
-712 mm
71.2 cm
28.0315 in
2.336 ft
Box height464 mm
46.4 cm
18.2677 in
1.5223 ft
-441 mm
44.1 cm
17.3622 in
1.4469 ft
Box depth216 mm
21.6 cm
8.5039 in
0.7087 ft
-207 mm
20.7 cm
8.1496 in
0.6791 ft
Box weight10.77 kg
23.74 lbs
9.7 kg
21.38 lbs
8.54 kg
18.83 lbs
ColorsBlackBlackBlack

Ergonomics

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

VESA mountYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYes
Height adjustmentYesYesYes
Height adjustment range130 mm
13 cm
5.1181 in
0.4265 ft
130 mm
13 cm
5.1181 in
0.4265 ft
150 mm
15 cm
5.9055 in
0.4921 ft
Landscape/portrait pivotYesYesYes
Left pivot90 °90 °90 °
Right pivot90 °90 °90 °
Left/right swivelYesYesYes
Left swivel90 °45 °180 °
Right swivel90 °45 °180 °
Forward/backward tiltYesYesYes
Forward tilt5 °5 °5 °
Backward tilt35 °21 °35 °

Audio

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

Speakers2 x 2 W-2 x 2 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 HDMI 1.4
1 x DisplayPort (Mini)
1 x DisplayPort 1.2
1 x DVI-D Dual Link
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
1 x USB 3.0 (Type-B; upstream)
4 x USB 3.0 (Type-A; 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
2 x USB 2.0
1 x HDMI 1.4
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 1.4High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

Features6-axis color adjustment
Adaptive-Sync technology
Asus ProArt Preset (8 modes)
Asus ProArt Palette
CalMAN Verified
Color Accuracy - △E<2
Color Temperature Selection (4 modes)
Flicker-free technology
Gamma adjustment
Low Blue Light
Motion Sync
Picture-by-Picture
Picture-in-Picture
QuickFit (3 modes)
Skin-Tone Selection (3 modes)
SPLENDID Video Intelligence Technology
Trace Free Technology
AMD FreeSync Premium Pro
Flicker-free technology
Low Blue Light
NVIDIA G-SYNC Compatible
RGB lights
Adaptive-Sync technology
AMD FreeSync technology
Color Temperature Selection (4 modes)
Flicker-free technology
GamePlus (Crosshair/Timer/FPS Counter/Display Alignment)
Low Blue Light
Motion Sync
NVIDIA G-Sync compatible
QuickFit (Alignment Grid/Paper/Photo Modes)
Skin-Tone Selection (3 modes)
Splendid Video Preset Modes (sRGB/Scenery/Theater/Standard/Night View/Game/Reading/Darkroom)
Trace Free technology
VividPixel

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBSMI
CB
CCC
CE
CEC
CU
Energy Star
ErP
eStandby
FCC
ICES-3
ISO-9241-307
J-MOSS
KC
KCC
MEPS
PC recycle
PSB
PSE
RCM
RoHS
TCO8.0
TUV-Ergo
TUV Flicker-free
TUV-GS
TUV Low Blue Light
UL/cUL
VCCI
WEEE
WHQL (Windows 10
Windows 7)
ENERGY STAR
EPEAT
TCO Certified
RoHS
ENERGY STAR
BSMI
CB
CCC
CE
CEL level 0
CU
FCC
ISO-9241-307
KCC
RoHS
TCO8.0
TUV-Ergo
TUV-GS
UkrSEPRO
WEEE
WHQL
RCM
UL
TUV Flicker-free
KC
eStandby
TUV Low Blue Light
Vietnam MEPS
Australia MEPS
ICES-3
CEC

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 temperature-0 °C - 40 °C
32 °F - 104 °F
-
Operating humidity-10 % - 80 %-
Operating altitude-5000 m
16404.2 ft
-
Storage temperature--20 °C - 60 °C
-4 °F - 140 °F
-
Storage humidity-5 % - 90 %-
Storage altitude-12192 m
40000 ft
-

Accessories

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

AccessoriesAudio cable (optional)
D-sub cable (optional)
DisplayPort cable (optional)
HDMI cable (optional)
USB 3.0 cable (optional)
DisplayPort cable
HDMI cable
USB 3.0 cable
DisplayPort cable (optional)
HDMI cable (optional)
USB cable (optional)

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonSecurity lock slotAnti-theft stand lock slot - Kensington
 Asus PA278QVDell S2721DGFAsus VA27AQSB