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Compare Dell UltraSharp U4021QW vs Dell U3223QZ vs Dell U2720Q

Connectivity

Ports
1x USB 3.2 (Type-C; downstream; 15W), 1x Ethernet RJ45 (Gigabit), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out (line-out for speakers), 1x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode), 2x HDMI 2.0, 4x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 ...
1x USB (Type-C; upstream; 90W; DP Alt Mode), 1x Ethernet RJ45 (1 Gbps), 1x DisplayPort 1.4 (DSC), 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (out), 1x HDMI 2.0, 1x USB (Type-C; 10 Gbps upstream), 4x USB (Type-A; 10 Gbps downstream)
1x USB 3.0 (Type-C; 90W; DisplayPort), 1x USB 3.0 (Type-C; downstream; 15W), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x HDMI 2.0 (CEC), 1x USB 3.0 (downstream; BC 1.2 charging at 2A), 2x USB 3.0 (Type-A; downstream)

Construction

Adjustment | Height
120 mm / 4.7244 in
N/A
130 mm / 5.1181 in
Adjustment | Pivot
N/A
N/A
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
N/A
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
Yes
No
Colors
Black
Black and Silver
Black
Form Factor
Curved monitor
Speakers
2x 9W
2x 14W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
92.04% screen-to-body ratio
Size | Depth
9.76 in / 248 mm w/ stand
1.96 in / 49.7 mm w/o stand, 7.28 in / 185 mm w/ stand
Size | Height
18.02 in / 457.8 mm w/ stand
14.02 in / 356 mm w/o stand, 15.56 in / 395.2 mm w/ stand
Size | Width
37.27 in / 946.6 mm
24.07 in / 611.3 mm
Weight
9.5 kg / 21 lbs w/ stand
4.4 kg / 10 lbs w/o stand , 6.6 kg / 15 lbs w/ stand

Display

Aspect Ratio
21:9
16:9
16:9
Brightness
300 nits
400 nits
350 nits
Contrast Ratio
1000:1 (static)
2000:1 (static)
1300:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
2500R
Display Diagonal
40"
32" (31.54 in / 801 mm)
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3, 100% sRGB
98% DCI-P3, 100% sRGB
95% DCI-P3, 99% sRGB
Pixel Density
140 ppi
163 ppi
Pixel Pitch
0.182 mm
0.155 mm
Refresh Rate
60 Hz
60 Hz
60 Hz
Resolution
5K2K WUHD (5120x2160)
4K (3840x2160)
4K (3840x2160)
Response Time
5 ms (min) / 8 ms (avg)
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 400
DisplayHDR 400
Licenses
BFR-free, CEL, ENERGY STAR 6.0, EPEAT, Mercury-free, NFPA 99, PVC-free, RoHS Compliant, TCO
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
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView Plus, Flicker-free technology
Flicker-free technology, IPS Black panel technology, Picture-by-Picture, Picture-in-Picture, KVM Switch, ComfortView Plus, Display Stream Compression (DSC)
Flicker-free technology, Low Blue Light

Performance

Power Consumption
51.5 W (average) / 240 W (max) / 0.5 W (sleep)
0.5 W (sleep) / 0.3 W (off)
33 W (average) / 200 W (max) / 0.3 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, HDMI cable, Thunderbolt 4 (USB-C) Active Cable, USB Type-A to Type-B cable
DisplayPort cable, USB Type-C cable
DisplayPort cable, USB Type-C to Type-C cable, USB Type-C to Type-A cable
Debut
2021
2022
2020

Reviews

Neofiliac score
77%
84%
90%
Pros
  • Ultra-wide form factor
  • 2500 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Built-in camera
  • DisplayHDR 400
  • Rich color reproduction
  • High 2000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • DisplayHDR 400
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1300:1 contrast ratio
  • 10-bit display panel
  • High 92.04 % screen-to-body ratio
  • Integrated USB-C hub
Cons
  • No publicized HDR support
  • Ugly top bezel

Price

Offers (incl. referral links)
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