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Compare UltraSharp U3821DW vs Dell U2421E vs UltraSharp U2422H

Connectivity

Ports
1x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode), 4x USB 3.2 (Type-A; Gen 1; downstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out (line-out for speakers), 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.2 (Type-B; Gen 1; upstream), 1x USB 3.2 (Type-C; downstream)
1x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode), 1x Ethernet RJ45, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (Output MST), 1x HDMI 1.4, 4x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2), 1x USB 3.2 (Type-C; Gen 1; downstream; 15W)
1x USB-C 3.2 Gen2 upstream + 3x USB 3.2 Gen2 downstream (1x PD) + 1x USB-C 3.2 Gen2 downstream + 1x HDMI 1.4 + 2x DisplayPort 1.4 (1 in, 1 out) + 1x Audio line-out

Construction

Adjustment | Height
120 mm / 4.7244 in
150 mm / 5.9055 in
Adjustment | Pivot
N/A
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-45° ~ 45°
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
Colors
Black
Black
Form Factor
Curved monitor
Material
Anti-glare treatment of the front polarizer (3H) hard coating
Speakers
2x 9W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
98.38% screen-to-body ratio
100.87% screen-to-body ratio
Size | Depth
4.03 in / 102.4 mm w/o stand, 9.89 in / 251.2 mm w/ stand
1.54 in / 39 mm w/o stand, 6.81 in / 173 mm w/ stand
7.07 inch w/ stand
Size | Height
15.44 in / 392.3 mm w/o stand, 17.47 in / 443.8 mm w/ stand
12.35 in / 313.7 mm w/o stand, 14.33 in / 364 mm w/ stand
14.33 ~ 19.53 inch w/ stand
Size | Width
35.21 in / 894.3 mm
20.9 in / 530.8 mm
21.17 inch
Weight
8.8 kg / 19 lbs w/o stand , 13.6 kg / 30 lbs w/ stand
4 kg / 9 lbs w/o stand , 6.1 kg / 13 lbs w/ stand
7.75 lbs w/ stand

Display

Aspect Ratio
24:10
16:10
16:9
Brightness
300 nits
350 nits
250 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1
Display Backlight
W-LED
W-LED
WLED edge-lit
Display Color Depth
10 bits, 1073741824 colors
8 bits (6 bits + FRC), 16777216 colors
16.7M colors (8-bit)
Display Curvature
2300R
Display Diagonal
38" (37.52 in / 952.9 mm)
24" (24.06 in / 611 mm)
24 inch
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, matte
Gamut
95% DCI-P3, 100% sRGB
99% sRGB
85% DCI-P3, 100% Rec 709, 100% sRGB
Pixel Density
109 ppi
94 ppi
92.5 ppi
Pixel Pitch
0.229 mm
0.275 mm
0.2745 mm x 0.2745 mm
Refresh Rate
56 Hz ~ 76 Hz
60 Hz
60 Hz
Resolution
UW4K (3840x1600)
WUXGA (1920x1200)
FHD, 1920x1080
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
5ms (Fast Mode) / 8ms (Normal Mode)
Viewing Angle
178° H / 178° V
178° H / 178° V
178(V) / 178(H)

Function

HDR
DisplayHDR 600
Licenses
ENERGY STAR 8.0, EPEAT Gold, RoHS, TAA Availability, TCO Certified Displays
ENERGY STAR, EPEAT Golf, TCO Certified, TUV Rheinland Low Blue Light Certified
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
32-104 °F
Video
Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch
Easy Arrange, Flicker-free technology, Low Blue Light, Infinity Edge design, ComfortView Plus, Dell Display Manager

Performance

Power Consumption
36.5 W (average) / 230 W (max) / 0.3 W (sleep) / 0.3 W (off)
30 W (average) / 186 W (max)
11.6 W
Power Supply
15 W Via USB-C downstream

Production

Accessory
DisplayPort cable, HDMI cable, USB Type-C cable, USB Type-B 3.2 Gen 1 cable
DisplayPort cable, USB Type-C to Type-A cable, USB Type-C to Type-C cable
Debut
2021
2020
2021-03

Reviews

Neofiliac score
90%
56%
Pros
  • DisplayHDR 600
  • Ultra-wide form factor
  • 2300 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 98.38 % screen-to-body ratio
  • Build-in speakers included
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 100.87 % screen-to-body ratio
Cons
  • No publicized HDR support
  • 8-bit display panel

Price

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