Comparison between:
- 27" Asus PB278QV
- 23.8" Asus PB247Q
- 21.5" Asus PQ22UC

Brand, series, model

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

Asus PB278QVAsus PB247QAsus PQ22UC
Series--ProArt
Asus PB278QVAsus PB247QAsus PQ22UC

Display

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

Size class27 in23.8 in21.5 in
Diagonal685.8 mm
68.58 cm
27 in
2.25 ft
604 mm
60.4 cm
23.7795 in
1.9816 ft
546.1 mm
54.61 cm
21.5 in
1.7917 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
527.04 mm
52.704 cm
20.7496 in
1.7291 ft
478.08 mm
47.808 cm
18.822 in
1.5685 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
296.46 mm
29.646 cm
11.6717 in
0.9726 ft
268.92 mm
26.892 cm
10.5874 in
0.8823 ft
Panel typeIPSIPSOLED
Panel bit depth10 bits (8 bits + FRC)8 bits (6 bits + FRC)10 bits
FRCYesYesNo
LUT--14 bits
Colors1073741824 colors
30 bits
16777216 colors
24 bits
1073741824 colors
30 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
1920 x 1080 pixels
Full HD / 1080p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.275 mm
0.0275 cm
0.0108 in
0.0009 ft
0.125 mm
0.0125 cm
0.0049 in
0.0004 ft
Pixel density109 ppi
42 ppcm
92 ppi
36 ppcm
204 ppi
80 ppcm
Display area80.66 %92.94 %80.17 %
BacklightW-LEDW-LED-
sRGB100 %100 %100 %
Adobe RGB (1998)71 %-99.5 %
DCI P3--99 %
Brightness300 cd/m²250 cd/m²140 cd/m²
Peak brightness--335 cd/m²
Static contrast1000 : 11000 : 110000000 : 1
Dynamic contrast80000000 : 1100000000 : 1-
HDR--HDR10
HLG (Hybrid Log Gamma)
Horizontal viewing angle178 °178 °178 °
Vertical viewing angle178 °178 °178 °
Minimum response time5 ms
0.0050 s
5 ms
0.0050 s
0.1 ms
0.0001 s
CoatingAnti-glare/Matte (3H)Anti-glare/MatteAnti-glare/Matte (3H)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoYesNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)24 kHz - 83 kHz30 kHz - 80 kHz27 kHz - 134 kHz
Vertical frequency (digital)50 Hz - 75 Hz56 Hz - 75 Hz24 Hz - 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
Power consumption (off)0.5 W0.5 W0.35 W
Power consumption (sleep)0.5 W0.5 W0.8 W
Power consumption (average)-25 W38 W
Power consumption (maximum)42 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.

Width643 mm
64.3 cm
25.315 in
2.1096 ft
539.5 mm
53.95 cm
21.2402 in
1.77 ft
510.9 mm
51.09 cm
20.1142 in
1.6762 ft
Height386.2 mm
38.62 cm
15.2047 in
1.2671 ft
311.61 mm
31.161 cm
12.2681 in
1.0223 ft
313.9 mm
31.39 cm
12.3583 in
1.0299 ft
Depth69.6 mm
6.96 cm
2.7402 in
0.2283 ft
54.33 mm
5.433 cm
2.139 in
0.1782 ft
8.5 mm
0.85 cm
0.3346 in
0.0279 ft
Weight4.8 kg
10.58 lbs
3.4 kg
7.5 lbs
1.5 kg
3.31 lbs
Width with stand643 mm
64.3 cm
25.315 in
2.1096 ft
539.5 mm
53.95 cm
21.2402 in
1.77 ft
510.9 mm
51.09 cm
20.1142 in
1.6762 ft
Height with stand432.3 mm
43.23 cm
17.0197 in
1.4183 ft
349.68 mm
34.968 cm
13.7669 in
1.1472 ft
382.1 mm
38.21 cm
15.0433 in
1.2536 ft
Depth with stand218 mm
21.8 cm
8.5827 in
0.7152 ft
211.34 mm
21.134 cm
8.3205 in
0.6934 ft
128.2 mm
12.82 cm
5.0472 in
0.4206 ft
Weight with stand7.8 kg
17.2 lbs
5.7 kg
12.57 lbs
2.1 kg
4.63 lbs
ColorsBlackBlackGray

Ergonomics

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

VESA mountYesYesNo
VESA interface100 x 100 mm100 x 100 mm-
Removable standYesYesYes
Height adjustmentYesYesNo
Height adjustment range120 mm
12 cm
4.7244 in
0.3937 ft
130 mm
13 cm
5.1181 in
0.4265 ft
-
Landscape/portrait pivotYesYesNo
Left pivot0 °90 °-
Right pivot90 °90 °-
Left/right swivelYesYesNo
Left swivel60 °90 °-
Right swivel60 °90 °-
Forward/backward tiltYesYesYes
Forward tilt5 °5 °2 °
Backward tilt20 °35 °20 °

Audio

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

Speakers2 x 2 W2 x 1.5 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 DisplayPort 1.2
1 x DVI-D Dual Link
1 x D-sub
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
3 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
2 x HDMI 1.4
1 x DisplayPort 1.2
1 x DisplayPort 1.2 (Input mini)
1 x DisplayPort 1.2 (Output MST)
1 x 3.5 mm Audio Out
2 x USB 3.0 (Type-C)
1 x HDMI 2.0 (Micro)
1 x DisplayPort 1.2 (through Type-C)

Features

Some additional functional features of the model.

FeaturesAdaptive-Sync Technology
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Low Blue Light
Picture-by-Picture
Picture-in-Picture
SPLENDID Video Intelligence Technology
Flicker-free technology
GamePlus (Crosshair/Timer/FPS Counter/Display Alignment)
HDCP (High-bandwidth Digital Content Protection)
Low Blue Light
SPLENDID Video Intelligence Technology
Trace Free Technology
Gamma adjustment
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
SPLENDID Video Intelligence Technology

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesBSMI
CB
CCC
CE
CEL Level 2
cTick
ErP
ENERGY STAR
FCC Class B
PSE
RoHS
TCO Certified Displays 8.0
TÜV Flicker-free
TÜV Low Blue Light
UL/cUL
VCCI
WEEE
WHQL (Windows 8; Windows 7)
BSMI
CB
CCC
CE
cTick
CU
ENERGY STAR
ErP
eStandby
FCC Class B
J-MOSS
KCC
PCB
PSE
RCM
RoHS
TCO Certified Displays 7.0
TÜV Low Blue Light
TÜV Flicker-free
UL/cUL
VCCI
WEEE
WHQL (Windows 10; Windows 8.1; Windows 7)
BSMI
C-Tick
CB
CCC
CE
CU
ENERGY STAR
ErP
FCC
J-MOSS
RoHS
UL/cUL
VCCI
WEEE
WHQL (Windows 10; Windows 8.1; 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 temperature-0 °C - 40 °C
32 °F - 104 °F
0 °C - 50 °C
32 °F - 122 °F
Storage temperature--20 °C - 60 °C
-4 °F - 140 °F
20 °C - 60 °C
68 °F - 140 °F

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
DVI-D cable - optional
HDMI cable - optional
DisplayPort cable - optional
DisplayPort cable - mini-DP to DP
HDMI cable - optional
USB 3.0 cable
Micro HDMI to HDMI cable
USB Type-C cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington-
 Asus PB278QVAsus PB247QAsus PQ22UC