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Compare Dell P3421W vs Dell U2721DE vs Dell UltraSharp U4919DW

Connectivity

Ports
2x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps), 1x USB 3.2 (Type-B; Gen 1; upstream), 1x DisplayPort 1.2, 1x HDMI 2.0, 2x USB 2.0 (Type-A; downstream), 1x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
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)
2x USB 3.0 upstream + 5x USB 3.0 downstream + 1x USB-C (DP 1.4) + 1x DisplayPort 1.4 + 2x HDMI 2.0 + 1x Headphone

Construction

Adjustment | Height
150 mm / 5.9055 in
130 mm / 5.1181 in
Adjustment | Pivot
-4° ~ 4°
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-40° ~ 40°
-170° ~ 170°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
Colors
Black and Silver
Black
Form Factor
Curved monitor
Curved professional monitor
Speakers
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100x100 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
4.3 inch w/o stand
Size | Height
15.4 in / 391.1 mm w/ stand
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
14.6 inch w/o stand
Size | Width
32.11 in / 815.7 mm
24.1 in / 612.2 mm
47.8 inch
Weight
6.7 kg / 15 lbs w/o stand
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand
29.1 lbs

Display

Aspect Ratio
21:9
16:9
32:9
Brightness
300 nits
350 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1
Display Backlight
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
8 bits, 16777216 colors
1.07 billion (10-bit)
Display Curvature
3800R
3800R
Display Diagonal
34" (34.14 in / 867.2 mm)
27" (26.96 in / 684.7 mm)
49 inch
Display Type
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
IPS
Gamut
99% sRGB
89% DCI-P3, 99% sRGB
99% sRGB
Pixel Density
109 ppi
109 ppi
109 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.234 mm
Refresh Rate
60 Hz
56 Hz ~ 76 Hz
60 Hz
Resolution
UW-QHD (3440x1440)
QHD (2560x1440)
5120x1440
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
5 ms gray to gray in Fast mode, 8 ms gray to gray in Normal mode
Viewing Angle
178° H / 178° V
178° H / 178° V
178 degree

Function

Licenses
Energy Star, EPEAT, 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
0° to 40°C
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
32.75 W (average) / 126 W (max) / 0.3 W (sleep) / 0.3 W (off)
33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)
60 W (typical) / 230 W (max)
Power Supply
90W Power Delivery via USB-C

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
2019

Reviews

Neofiliac score
64%
56%
Pros
  • Ultra-wide form factor
  • 3800 curvature
  • Stand with tilt, swivel, pivot, 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
  • Bright, high-contrast IPS panel
  • Bright, contrast-rich panel
  • Wide viewing angles
Cons
  • No publicized HDR support
  • No publicized HDR support
  • 8-bit display panel
  • Mediocre color accuracy

Price

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