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Compare Dell U2721DE vs Dell U3223QZ vs Dell C2423H

Connectivity

Ports
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)
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 HDMI 1.4, 1x DisplayPort 1.2 (in), 1x 3.5 mm Audio Out, 1x DisplayPort 1.2 (out with MST), 4x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 (Type-B; Gen 1; upstream)

Construction

Adjustment | Height
130 mm / 5.1181 in
N/A
150 mm / 5.9055 in
Adjustment | Pivot
-90° ~ 90°
N/A
-90° ~ 90°
Adjustment | Swivel
-40° ~ 40°
N/A
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
Yes
Yes
Colors
Black
Black and Silver
Black and Silver
Speakers
2x 14W
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
92.16% screen-to-body ratio
91.11% screen-to-body ratio
Size | Depth
1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand
2.28 in / 57.85 mm w/o stand, 7.07 in / 179.57 mm w/ stand
Size | Height
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
12.55 in / 318.89 mm w/o stand, 14.33 in / 364 mm w/ stand
Size | Width
24.1 in / 612.2 mm
21.17 in / 537.8 mm
Weight
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand
3.83 kg / 8 lbs w/o stand , 6.02 kg / 13 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits
400 nits
250 nits
Contrast Ratio
1000:1 (static)
2000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
8 bits, 16777216 colors
Display Diagonal
27" (26.96 in / 684.7 mm)
32" (31.54 in / 801 mm)
24" (23.81 in / 604.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
89% DCI-P3, 99% sRGB
98% DCI-P3, 100% sRGB
99% sRGB
Pixel Density
109 ppi
140 ppi
92 ppi
Pixel Pitch
0.233 mm
0.182 mm
0.275 mm
Refresh Rate
56 Hz ~ 76 Hz
60 Hz
56 Hz ~ 76 Hz
Resolution
QHD (2560x1440)
4K (3840x2160)
FHD (1920x1080)
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
Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
Energy Star 8.0, EPEAT Gold, RoHS, TCO Certified Displays, Microsoft Teams Certified, Windows Hello (Cortana)
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, Low Blue Light
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, Picture-by-Picture, Picture-in-Picture, KVM Switch (auto), ComfortView Plus, Dell Display Manager

Performance

Energy Efficiency
D
Power Consumption
33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)
0.5 W (sleep) / 0.3 W (off)
12.6 W (average) / 82 W (max) / 0.3 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, USB Type-C to Type-C cable
DisplayPort cable, USB Type-C cable
DisplayPort cable, HDMI cable, USB Type-A to Type-B cable
Debut
2020
2022
2022

Reviews

Neofiliac score
56%
84%
38%
Pros
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 92.16 % screen-to-body ratio
  • Built-in camera
  • DisplayHDR 400
  • Rich color reproduction
  • High 2000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Built-in camera
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 91.11 % screen-to-body ratio
  • Build-in speakers included
Cons
  • No publicized HDR support
  • 8-bit display panel
  • Ugly top bezel
  • No publicized HDR support
  • 8-bit display panel
  • Display panel not very bright
  • Priced too high for what it offers

Price

Offers (incl. referral links)
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