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Compare Dell U2721DE vs Dell UltraSharp U4919DW vs Dell U2720Q

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)
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
1x USB 3.0 (Type-C; 90W; DisplayPort), 1x USB 3.0 (Type-C; downstream; 15W), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x HDMI 2.0 (CEC), 1x USB 3.0 (downstream; BC 1.2 charging at 2A), 2x USB 3.0 (Type-A; downstream)

Construction

Adjustment | Height
130 mm / 5.1181 in
130 mm / 5.1181 in
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-40° ~ 40°
-170° ~ 170°
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
Colors
Black
Black
Form Factor
Curved professional monitor
VESA Mount
100 x 100 mm
100x100 mm
100 x 100 mm

Dimensions

Bezels
92.16% screen-to-body ratio
92.04% screen-to-body ratio
Size | Depth
1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand
4.3 inch w/o stand
1.96 in / 49.7 mm w/o stand, 7.28 in / 185 mm w/ stand
Size | Height
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
14.6 inch w/o stand
14.02 in / 356 mm w/o stand, 15.56 in / 395.2 mm w/ stand
Size | Width
24.1 in / 612.2 mm
47.8 inch
24.07 in / 611.3 mm
Weight
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand
29.1 lbs
4.4 kg / 10 lbs w/o stand , 6.6 kg / 15 lbs w/ stand

Display

Aspect Ratio
16:9
32:9
16:9
Brightness
350 nits
350 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1
1300:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
1.07 billion (10-bit)
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
3800R
Display Diagonal
27" (26.96 in / 684.7 mm)
49 inch
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS
IPS, Anti-glare/Matte (3H)
Gamut
89% DCI-P3, 99% sRGB
99% sRGB
95% DCI-P3, 99% sRGB
Pixel Density
109 ppi
109 ppi
163 ppi
Pixel Pitch
0.233 mm
0.234 mm
0.155 mm
Refresh Rate
56 Hz ~ 76 Hz
60 Hz
60 Hz
Resolution
QHD (2560x1440)
5120x1440
4K (3840x2160)
Response Time
5 ms (min) / 8 ms (avg)
5 ms gray to gray in Fast mode, 8 ms gray to gray in Normal mode
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178 degree
178° H / 178° V

Function

HDR
DisplayHDR 400
Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
BFR-free, CEL, ENERGY STAR 6.0, EPEAT, Mercury-free, NFPA 99, PVC-free, RoHS Compliant, TCO
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0° to 40°C
0 °C ~ 40 °C , 32 °F ~ 104 °F
Video
Flicker-free technology, Low Blue Light
Flicker-free technology, Low Blue Light

Performance

Power Consumption
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)
33 W (average) / 200 W (max) / 0.3 W (sleep) / 0.3 W (off)
Power Supply
90W Power Delivery via USB-C

Production

Accessory
DisplayPort cable, USB Type-C to Type-C cable
DisplayPort cable, USB Type-C to Type-C cable, USB Type-C to Type-A cable
Debut
2020
2019
2020

Reviews

Neofiliac score
56%
90%
Pros
  • 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
  • DisplayHDR 400
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1300:1 contrast ratio
  • 10-bit display panel
  • High 92.04 % screen-to-body ratio
  • Integrated USB-C hub
Cons
  • No publicized HDR support
  • 8-bit display panel
  • Mediocre color accuracy

Price

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