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Compare Dell U2421HE vs Dell U2421E vs HP V27i FHD

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 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 HDMI 1.4, 1x D-sub

Construction

Adjustment | Height
130 mm / 5.1181 in
150 mm / 5.9055 in
N/A
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
N/A
Adjustment | Swivel
-40° ~ 40°
-45° ~ 45°
N/A
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 20°
Camera
No
No
No
Colors
Black
Black
Black
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
92.49% screen-to-body ratio
100.87% screen-to-body ratio
89.33% screen-to-body ratio
Size | Depth
1.54 in / 39 mm w/o stand, 6.5 in / 165 mm w/ stand
1.54 in / 39 mm w/o stand, 6.81 in / 173 mm w/ stand
1.88 in / 47.7 mm w/o stand, 7.88 in / 200.1 mm w/ stand
Size | Height
12.35 in / 313.7 mm w/o stand, 13.72 in / 348.4 mm w/ stand
12.35 in / 313.7 mm w/o stand, 14.33 in / 364 mm w/ stand
14.48 in / 367.7 mm w/o stand, 17.63 in / 447.7 mm w/ stand
Size | Width
21.2 in / 538.5 mm
20.9 in / 530.8 mm
24.1 in / 612.2 mm
Weight
3.37 kg / 7 lbs w/o stand , 5.32 kg / 12 lbs w/ stand
4 kg / 9 lbs w/o stand , 6.1 kg / 13 lbs w/ stand
4.5 kg / 10 lbs w/o stand

Display

Aspect Ratio
16:9
16:10
16:10
Brightness
250 nits
350 nits
300 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
Display Diagonal
24" (23.81 in / 604.7 mm)
24" (24.06 in / 611 mm)
27" (27 in / 685.8 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte
Gamut
89% DCI-P3, 99% sRGB
99% sRGB
Pixel Density
92 ppi
94 ppi
81 ppi
Pixel Pitch
0.275 mm
0.275 mm
0.311 mm
Refresh Rate
56 Hz ~ 76 Hz
60 Hz
50 Hz ~ 60 Hz
Resolution
FHD (1920x1080)
WUXGA (1920x1200)
WUXGA (1920x1200)
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
5 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
ENERGY STAR, EPEAT Golf, TCO Certified, TUV Rheinland Low Blue Light Certified
BIS, BSMI, CB, CCC, CE, CECP, CEL, EAC, ENERGY STAR, EPEAT, FCC, ISO 9241-307, KC/KCC, NOM, PSB, SEPA, TCO Certified, TCO Certified Edge, TUV LBL, TUV-S, VCCI, WEEE, ISC, California Energy Commission (CEC), WW application, ICE, TGM, TUV-GS
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
20 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
5 °C ~ 35 °C , 41 °F ~ 95 °F
Video
Flicker-free technology, Low Blue Light
Easy Arrange, Flicker-free technology, Low Blue Light, Infinity Edge design, ComfortView Plus, Dell Display Manager
Low Blue Light, 3-sided Micro Edge Design, Flicker-free technology

Performance

Power Consumption
17.5 W (average) / 140 W (max) / 12.87 W (eco) / 0.3 W (sleep) / 0.3 W (off)
30 W (average) / 186 W (max)
28 W (average) / 32 W (max) / 0.5 W (sleep)

Production

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

Reviews

Neofiliac score
50%
56%
33%
Pros
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 92.49 % screen-to-body ratio
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 100.87 % screen-to-body ratio
  • High 1000:1 contrast ratio
Cons
  • No publicized HDR support
  • 8-bit display panel
  • Display panel not very bright
  • No publicized HDR support
  • 8-bit display panel
  • No publicized HDR support
  • Only tilt adjustment
  • 8-bit display panel

Price

Offers (incl. referral links)
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