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Compare Dell UP3221Q vs UltraSharp U3821DW vs Dell U2421HE

Connectivity

Ports
1x USB 3.2 (Type-A; Gen 2; downstream; 10 Gbps), 2x HDMI 2.0, 1x Thunderbolt 3.0 (ownstream; 15W), 1x 3.5 mm Audio Out, 1x Thunderbolt 3.0 (upstream; 90W; DP Alt Mode), 1x DisplayPort 1.4, 1x USB (Type-A; external colorimeter), 1x USB 3.2 (Type-A; Gen ...
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 3.1 (Type-C; upstream; DP; 65W), 1x Ethernet RJ45, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (Output MST), 1x HDMI 1.4, 2x USB 3.0 (downstream), 2x USB 3.0 (downstream; BC 1.2)

Construction

Adjustment | Height
160 mm / 6.2992 in
120 mm / 4.7244 in
130 mm / 5.1181 in
Adjustment | Pivot
-90° ~ 90°
N/A
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-30° ~ 30°
-40° ~ 40°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
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
92.49% screen-to-body ratio
Size | Depth
9.84 in / 250 mm w/ stand
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, 6.5 in / 165 mm w/ stand
Size | Height
18.26 in / 463.7 mm w/ stand
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, 13.72 in / 348.4 mm w/ stand
Size | Width
28.05 in / 712.5 mm
35.21 in / 894.3 mm
21.2 in / 538.5 mm
Weight
11.31 kg / 25 lbs w/o stand , 18.07 kg / 40 lbs w/ stand
8.8 kg / 19 lbs w/o stand , 13.6 kg / 30 lbs w/ stand
3.37 kg / 7 lbs w/o stand , 5.32 kg / 12 lbs w/ stand

Display

Aspect Ratio
16:9
24:10
16:9
Brightness
350 nits / 1000 nits (peak)
300 nits
250 nits
Contrast Ratio
1300:1 (static), 1000000:1 (dynamic)
1000:1 (static)
1000:1 (static)
Display Backlight
Mini LED
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits, 1073741824 colors
8 bits, 16777216 colors
Display Curvature
2300R
Display Diagonal
32" (31.5 in / 800.1 mm)
38" (37.52 in / 952.9 mm)
24" (23.81 in / 604.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
93% Adobe RGB, 99.8% DCI-P3, 83% Rec.2020
95% DCI-P3, 100% sRGB
89% DCI-P3, 99% sRGB
Pixel Density
140 ppi
109 ppi
92 ppi
Pixel Pitch
0.182 mm
0.229 mm
0.275 mm
Refresh Rate
60 Hz
56 Hz ~ 76 Hz
56 Hz ~ 76 Hz
Resolution
4K (3840x2160)
UW4K (3840x1600)
FHD (1920x1080)
Response Time
6 ms (min) / 8 ms (avg) / 14 ms (max)
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 1000, HLG (Hybrid Log Gamma)
DisplayHDR 600
Licenses
RoHS
ENERGY STAR 8.0, EPEAT Gold, RoHS, TAA Availability, TCO Certified Displays
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Video
Flicker-free technology, Picture-by-Picture, Picture-in-Picture, CalMAN Powered built-in colorimeter, DDC/CI
Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch
Flicker-free technology, Low Blue Light

Performance

Power Consumption
70 W (average) / 380 W (max) / 0.5 W (sleep) / 0.3 W (off)
36.5 W (average) / 230 W (max) / 0.3 W (sleep) / 0.3 W (off)
17.5 W (average) / 140 W (max) / 12.87 W (eco) / 0.3 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, HDMI cable, Monitor Hood, Thunderbolt 3 (USB Type-C) cable, USB Type-C to Type-A cable
DisplayPort cable, HDMI cable, USB Type-C cable, USB Type-B 3.2 Gen 1 cable
DisplayPort cable, USB Type-C to Type-C cable
Debut
2020
2021
2020

Reviews

Neofiliac score
87%
90%
50%
Pros
  • Mini LED backlighting
  • DisplayHDR 1000, HLG (Hybrid Log Gamma)
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1300:1 contrast ratio
  • 10-bit display panel
  • 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 92.49 % screen-to-body ratio
Cons
  • No publicized HDR support
  • 8-bit display panel
  • Display panel not very bright

Price

Offers (incl. referral links)
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