0 Compare Dell U2421HE vs ViewSonic VP2756-2K - DisplayDB

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Comparison between Dell U2421HE vs ViewSonic VP2756-2K

General Info
Model Number Dell U2421HE ViewSonic VP2756-2K
Price
Type Monitor Monitor
Year 2020 2021
Brand Dell ViewSonic
Model Number U2421HE VP2756-2K
Display
Screen Size Class 24" (inches) 27" (inches)
Diagonal Size 23.81 in
60.5 cm
604.7 mm
1.98 ft
26.96 in
68.5 cm
684.66 mm
2.25 ft
Screen Width 20.75 in
52.7 cm
527.04 mm
1.73 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 11.67 in
29.6 cm
296.46 mm
0.97 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Type IPS IPS
Display Bit Depth 8 bits 8 bits
Frame Rate Control No
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 2560 x 1440
Screen Pixel Pitch 0.275 mm 0.233 mm
Screen Pixel Density 92 ppi 109 ppi
Screen-to-Body Ratio 92.49 % 90.02 %
Backlight Source W-LED W-LED
DCI P3 89% 81%
sRGB 99 % 100 %
Adobe RGB 1998 78 %
NTSC 1953 78 %
Screen Brightness 250 cd/m² 350 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 20000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 5 ms 5 ms
Display Average Response Time 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Size, weight, color
Case Depth 1.54 in
3.9 cm
39 mm
0.13 ft
2.09 in
5.3 cm
53 mm
0.17 ft
Case Weight 3.37 kg
7 lbs
4.4 kg
10 lbs
Case Width with Stand 21.2 in
53.9 cm
538.5 mm
1.77 ft
24.13 in
61.3 cm
613 mm
2.01 ft
Case Height with Stand 13.72 in
34.8 cm
348.4 mm
1.14 ft
16.15 in
41 cm
410.31 mm
1.35 ft
Case Depth with Stand 6.5 in
16.5 cm
165 mm
0.54 ft
8.46 in
21.5 cm
215 mm
0.71 ft
Case Weight with Stand 5.32 kg
12 lbs
6.9 kg
15 lbs
Case Color Black Black
Hardware
Built-in Camera No
Connectivity 1 x USB 3.1 (Type-C; upstream; DP; 65W)
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
2 x USB 3.0 (downstream)
2 x USB 3.0 (downstream; BC 1.2)
1 x USB 3.2 (Type-C; Gen 1; upstream; 60W; DP Alt Mode)
1 x HDMI 1.4
1 x 3.5 mm Audio Out
1 x DisplayPort 1.2 (a)
2 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers 2 x 2W
Features
Cool Features Flicker-free technology
Low Blue Light
ColorPro Verified
Low Blue Light technology
Pre-Factory Calibration
Split Screen
Pantone Validated
30+ Working Modes
3-side borderlesss design
Extra Features Security lock slot Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 21.2 in
53.9 cm
538.5 mm
1.77 ft
24.13 in
61.3 cm
613 mm
2.01 ft
Case Height 12.35 in
31.4 cm
313.7 mm
1.03 ft
14.29 in
36.3 cm
363 mm
1.19 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 130 mm
13 cm
5.1181 in
0.4265 ft
130 mm
13 cm
5.1181 in
0.4265 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 40 ° 120 °
Right Swivel 40 ° 120 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 56 Hz - 76 Hz 24 Hz - 75 Hz
Horizontal Digital Frequency 30 kHz - 83 kHz 15 kHz - 130 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
USB Type-C to Type-C cable
HDMI cable
USB Type-A to Type-B cable
USB Type-C cable
Certificates and Standards
Licenses ENERGY STAR
EPEAT
TCO Certified
RoHS
NFPA 99
BSMI
CB
CE
CE EMC
CEC
cTUVus
EAC
Energy Star 8.0
EPEAT Silver
ErP
FCC-B
ICES003
macOS tested
Mexico Energy
NOM
REACH
RoHS
TÜV Rheinland Low Blue Light Certified
UKCA
UkrSEPRO
WEEE
Windows 10 Certified
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 % - 90 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
20 °C - 60 °C
68 °F - 140 °F
Internal Storage Humidity 5 % - 90 % 5 % - 90 %
Max Operating Altitude 5000
Max Storage Altitude 12192
Dell U2421HE ViewSonic VP2756-2K