0 Compare Dell U2421E vs Acer XV280K B - DisplayDB

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Comparison between Dell U2421E vs Acer XV280K B

General Info
Model Number Dell U2421E Acer XV280K B
Price
Type Monitor Monitor
Year 2020 2020
Brand Dell Acer
Model Series Nitro XV0
Model Number U2421E XV280K B
Alias Nitro XV280K
XV280KB
Display
Screen Size Class 24" (inches) 28" (inches)
Diagonal Size 24.06 in
61.1 cm
611 mm
2 ft
27.9 in
70.9 cm
708.538 mm
2.32 ft
Screen Width 20.41 in
51.8 cm
518.4 mm
1.7 ft
24.45 in
62.1 cm
620.928 mm
2.04 ft
Screen Height 12.76 in
32.4 cm
324 mm
1.06 ft
13.44 in
34.1 cm
341.28 mm
1.12 ft
Display Type IPS IPS
Display Bit Depth 8 bits (6 bits + FRC) 10 bits (8 bits + FRC)
Frame Rate Control Yes Yes
Max Number of Colors 16777216 1073741824
Bits 24 30
Screen Aspect Ratio 16:10 16:9
Screen Resolution 1920 x 1200 3840 x 2160
Screen Pixel Pitch 0.275 mm 0.161 mm
Screen Pixel Density 94 ppi 157 ppi
Screen-to-Body Ratio 100.87 % 89.67 %
Backlight Source W-LED W-LED
DCI P3 90%
sRGB 99 % 100 %
Screen Brightness 350 cd/m² 300 cd/m²
Max Screen Brightness 400 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 100000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 5 ms 4 ms
Display Average Response Time 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte
HDR DisplayHDR 400
HDR10
3D No No
Size, weight, color
Case Depth 1.54 in
3.9 cm
39 mm
0.13 ft
2.68 in
6.8 cm
68 mm
0.22 ft
Case Weight 4 kg
9 lbs
5.19 kg
11 lbs
Case Width with Stand 20.9 in
53.1 cm
530.8 mm
1.74 ft
25.08 in
63.7 cm
637 mm
2.09 ft
Case Height with Stand 14.33 in
36.4 cm
364 mm
1.19 ft
17.2 in
43.7 cm
437 mm
1.43 ft
Case Depth with Stand 6.81 in
17.3 cm
173 mm
0.57 ft
10.59 in
26.9 cm
269 mm
0.88 ft
Case Weight with Stand 6.1 kg
13 lbs
7.25 kg
16 lbs
Case Color Black Black
Hardware
Built-in Camera No No
Connectivity 1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode)
1 x Ethernet RJ45
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x DisplayPort 1.4 (Output MST)
1 x HDMI 1.4
4 x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2)
1 x USB 3.2 (Type-C; Gen 1; downstream; 15W)
1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
Audio
Audio Speakers 2 x 2W
Features
Cool Features Easy Arrange
Flicker-free technology
Low Blue Light
Infinity Edge design
ComfortView Plus
Dell Display Manager
Blue Light Filter
Black Boost
Flicker-free technology
Zero Frame Design
ComfyView
Adaptive Contrast Management (ACM)
AMD FreeSync technology
Extra Features Security lock slot Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 20.9 in
53.1 cm
530.8 mm
1.74 ft
25.08 in
63.7 cm
637 mm
2.09 ft
Case Height 12.35 in
31.4 cm
313.7 mm
1.03 ft
14.61 in
37.1 cm
371 mm
1.22 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes Yes
Height Adjustment Range 150 mm
15 cm
5.9055 in
0.4921 ft
180 mm
18 cm
7.0866 in
0.5906 ft
Landscape or Portrait Pivot Support Yes Yes
Left Pivot 90 ° 90 °
Right Pivot 90 ° 90 °
Left or Right Swivel Support Yes Yes
Left Swivel 45 ° 180 °
Right Swivel 45 ° 180 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 35 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 56 Hz - 76 Hz
Horizontal Digital Frequency 30 kHz - 83 kHz 30 kHz - 85 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
USB Type-C to Type-A cable
USB Type-C to Type-C cable
HDMI cable
Certificates and Standards
Licenses ENERGY STAR
EPEAT Golf
TCO Certified
TUV Rheinland Low Blue Light Certified
RoHS
PSE
MPRⅡ
ISO9241-307
VCCI-B
FCC
CE
CCC
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 80 % 20 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 90 %
Max Operating Altitude 5000
Max Storage Altitude 12192
Dell U2421E Acer XV280K B