Compare Dell U2421HE vs Dell U3023E
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 3.2 (Type-C; Gen 2; 10 Gbps upstream; 90W; Dp Alt Mode), 1x USB 3.2 (Type-C; Gen 2; upstream), 1x HDMI 1.4, 1x DisplayPort 1.4 (DSC), 1x DisplayPort 1.4 (out with MST), 1x Ethernet RJ45 (MAC Address pass-through; PXE Boot; Wake-on-LAN), 4x USB 3...
Construction
Adjustment | Height
130 mm / 5.1181 in
150 mm / 5.9055 in
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-40° ~ 40°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
Camera
No
No
Colors
Black
Black and Silver
VESA Mount
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
92.49% screen-to-body ratio
93.61% screen-to-body ratio
Size | Depth
1.54 in / 39 mm w/o stand, 6.5 in / 165 mm w/ stand
2.09 in / 53 mm w/o stand, 9.06 in / 230 mm w/ stand
Size | Height
12.35 in / 313.7 mm w/o stand, 13.72 in / 348.4 mm w/ stand
16.48 in / 418.6 mm w/o stand, 18.61 in / 472.7 mm w/ stand
Size | Width
21.2 in / 538.5 mm
25.82 in / 655.9 mm
Weight
3.37 kg / 7 lbs w/o stand , 5.32 kg / 12 lbs w/ stand
6.48 kg / 14 lbs w/o stand , 11.13 kg / 24 lbs w/ stand
Display
Aspect Ratio
16:9
16:10
Brightness
250 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static), 2000000:1 (dynamic)
Display Backlight
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
Display Diagonal
24" (23.81 in / 604.7 mm)
30" (29.77 in / 756.2 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
89% DCI-P3, 99% sRGB
95% DCI-P3, 100% sRGB
Pixel Density
92 ppi
101 ppi
Pixel Pitch
0.275 mm
0.251 mm
Refresh Rate
56 Hz ~ 76 Hz
56 Hz ~ 76 Hz
Resolution
FHD (1920x1080)
WQXGA (2560x1600)
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
Function
Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
Energy Star, EPEAT Gold, RoHS, TCO Certified, TCO Edge, TUV Rheinland Low Blue Light Certified (Hardware Solution)
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Video
Flicker-free technology, Low Blue Light
Display Stream Compression (DSC), Flicker-free technology, Low Blue Light, Picture-in-Picture, Picture-by-Picture, KVM Switch, ComfortView Plus, Dell Display Manager (DDM) Compatibility
Performance
Power Consumption
17.5 W (average) / 140 W (max) / 12.87 W (eco) / 0.3 W (sleep) / 0.3 W (off)
26.6 W (average) / 210 W (max) / 0.3 W (sleep) / 0.2 W (off)
Production
Accessory
DisplayPort cable, USB Type-C to Type-C cable
DisplayPort cable, USB Gen 2 Type-A to Type-C cable, USB Gen 2 Type-C PD 3.0 cable
Debut
2020
2022
Reviews
Neofiliac score
50%
83%
Pros
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- High 92.49 % screen-to-body ratio
- Rich color reproduction
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
- High 93.61 % screen-to-body ratio
- USB-C hub
Cons
- No publicized HDR support
- 8-bit display panel
- Display panel not very bright
- No publicized HDR support
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