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Compare Dell U3421WE vs Dell U2721DE vs UltraSharp U2422H

Connectivity

Ports
4x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps), 1x USB 3.2 (Type-B; Gen 1; upstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode), 1x USB 3.1 (Type-C; downstream; 15W)
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-C 3.2 Gen2 upstream + 3x USB 3.2 Gen2 downstream (1x PD) + 1x USB-C 3.2 Gen2 downstream + 1x HDMI 1.4 + 2x DisplayPort 1.4 (1 in, 1 out) + 1x Audio line-out

Construction

Adjustment | Height
150 mm / 5.9055 in
130 mm / 5.1181 in
Adjustment | Pivot
N/A
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-40° ~ 40°
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
Colors
Platinum Silver
Black
Form Factor
Curved monitor
Material
Anti-glare treatment of the front polarizer (3H) hard coating
Speakers
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
92.16% screen-to-body ratio
Size | Depth
9.35 in / 237.4 mm w/ stand
1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand
7.07 inch w/ stand
Size | Height
15.46 in / 392.8 mm w/ stand
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
14.33 ~ 19.53 inch w/ stand
Size | Width
32.02 in / 813.3 mm
24.1 in / 612.2 mm
21.17 inch
Weight
7.52 kg / 17 lbs w/o stand , 11.87 kg / 26 lbs w/ stand
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand
7.75 lbs w/ stand

Display

Aspect Ratio
21:9
16:9
16:9
Brightness
300 nits
350 nits
250 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1
Display Backlight
W-LED
W-LED
WLED edge-lit
Display Color Depth
10 bits, 1073741824 colors
8 bits, 16777216 colors
16.7M colors (8-bit)
Display Curvature
1900R
Display Diagonal
34" (34.14 in / 867.2 mm)
27" (26.96 in / 684.7 mm)
24 inch
Display Type
AH-IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
IPS, matte
Gamut
95% DCI-P3, 99% sRGB
89% DCI-P3, 99% sRGB
85% DCI-P3, 100% Rec 709, 100% sRGB
Pixel Density
109 ppi
109 ppi
92.5 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.2745 mm x 0.2745 mm
Refresh Rate
60 Hz
56 Hz ~ 76 Hz
60 Hz
Resolution
UW-QHD (3440x1440)
QHD (2560x1440)
FHD, 1920x1080
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
5ms (Fast Mode) / 8ms (Normal Mode)
Viewing Angle
178° H / 178° V
178° H / 178° V
178(V) / 178(H)

Function

Licenses
Energy Star, EPEAT Gold, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
32-104 °F
Video
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology
Flicker-free technology, Low Blue Light

Performance

Power Consumption
36 W (average) / 210 W (max) / 0.5 W (sleep) / 0.5 W (off)
33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)
11.6 W
Power Supply
15 W Via USB-C downstream

Production

Accessory
DisplayPort cable, HDMI cable, USB Type-A to Type-B cable, USB Type-C to Type-C cable
DisplayPort cable, USB Type-C to Type-C cable
Debut
2020
2020
2021-03

Reviews

Neofiliac score
77%
56%
Pros
  • Ultra-wide form factor
  • 1900 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 92.16 % screen-to-body ratio
Cons
  • No publicized HDR support
  • No publicized HDR support
  • 8-bit display panel

Price

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