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Comparison between Dell U4021QW vs Dell P3421W

General Info
Name Dell U4021QW Dell P3421W
Image
Type Monitor Monitor
Year 2021 2020
Brand Dell Dell
Model Number U4021QW P3421W
Display
Screen Size Class 40" (inches) 34" (inches)
Diagonal Size 34.14 in
86.7 cm
867.2 mm
2.85 ft
Screen Width 37.27 in
94.7 cm
946.6 mm
3.11 ft
31.49 in
80 cm
799.8 mm
2.62 ft
Screen Height 13.18 in
33.5 cm
334.8 mm
1.1 ft
Display Curvature 2500 3800
Display Manufacturer LG Display
Display Type IPS IPS
Display Bit Depth 10 bits 10 bits
Max Number of Colors 1073741824 1073741824
Bits 30 30
Screen Aspect Ratio 21:9 21:9
Screen Resolution 5120 x 2160 3440 x 1440
Screen Pixel Pitch 0.233 mm
Screen Pixel Density 109 ppi
Backlight Source W-LED W-LED
DCI P3 98%
sRGB 100 % 99 %
Screen Brightness 300 cd/m² 300 cd/m²
Static Screen Contrast 1000 : 1 1000 : 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 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Size, weight, color
Case Weight 6.7 kg
15 lbs
Case Width with Stand 37.26 in
94.7 cm
946.504 mm
3.11 ft
32.11 in
81.6 cm
815.7 mm
2.68 ft
Case Height with Stand 18.01 in
45.7 cm
457.372 mm
1.5 ft
15.4 in
39.1 cm
391.1 mm
1.28 ft
Case Depth with Stand 9.77 in
24.8 cm
248.263 mm
0.81 ft
9.35 in
23.7 cm
237.4 mm
0.78 ft
Case Weight with Stand 9.431 kg
21 lbs
Case Color Black Black and Silver
Hardware
Built-in Camera No No
Connectivity 1 x USB 3.2 (Type-C; downstream; 15W)
1 x Ethernet RJ45 (Gigabit)
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out (line-out for speakers)
1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode)
2 x HDMI 2.0
4 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-B; Gen 1; upstream)
2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps)
1 x USB 3.2 (Type-B; Gen 1; upstream)
1 x DisplayPort 1.2
1 x HDMI 2.0
2 x USB 2.0 (Type-A; downstream)
1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
Audio
Audio Speakers 2 x 9W 2 x 5W
Features
Cool Features KVM Switch
Low Blue Light
Picture-in-Picture
Picture-by-Picture
ComfortView Plus
Flicker-free technology
KVM Switch
Low Blue Light
Picture-in-Picture
Picture-by-Picture
ComfortView
Flicker-free technology
Extra Features Security lock slot Security lock slot
Ergonomics
Case Width 32.11 in
81.6 cm
815.7 mm
2.68 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 120 mm
12 cm
4.7244 in
0.3937 ft
150 mm
15 cm
5.9055 in
0.4921 ft
Landscape or Portrait Pivot Support No Yes
Left Pivot 4 °
Right Pivot 4 °
Left or Right Swivel Support Yes Yes
Left Swivel 30 ° 30 °
Right Swivel 30 ° 30 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 60 Hz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
HDMI cable
USB Type-A to Type-B cable
USB Type-C to Type-C cable
Certificates and Standards
Licenses Energy Star
EPEAT
RoHS
TCO Certified Displays
TUV Rheinland Flicker Free Certified
TUV Rheinland Low Blue Light 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 % 10 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 90 % 5 % - 90 %
Max Operating Altitude 5000 5000
Max Storage Altitude 12192 12192
Dell U4021QW Dell P3421W