Compare Dell U2721DE vs Dell U3223QE vs Dell S2721QS
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)
5x USB 3.2 (Type-A; Gen 2; 10 Gbps downstream), 1x USB 3.2 (Type-C; Gen 2; 10 Gbps upstream), 1x HDMI 2.0, 1x DisplayPort 1.4 (out with MST), 1x DisplayPort 1.4 (DSC), 1x Ethernet RJ45, 1x USB (Type-C; downstream; 15W), 1x 3.5 mm Audio Out, 1x USB (Typ...
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.2
Construction
Adjustment | Height
130 mm / 5.1181 in
150 mm / 5.9055 in
110 mm / 4.3307 in
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-40° ~ 40°
-30° ~ 30°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black and Silver
Silver
Speakers
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
92.16% screen-to-body ratio
93.6% screen-to-body ratio
89.83% screen-to-body ratio
Size | Depth
1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand
2.2 in / 55.78 mm w/o stand, 9.18 in / 233.17 mm w/ stand
2.18 in / 55.4 mm w/o stand, 6.88 in / 174.7 mm w/ stand
Size | Height
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
16.14 in / 410.04 mm w/o stand, 18.48 in / 469.34 mm w/ stand
14.35 in / 364.6 mm w/o stand, 15.75 in / 400.1 mm w/ stand
Size | Width
24.1 in / 612.2 mm
28.06 in / 712.61 mm
24.08 in / 611.6 mm
Weight
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand
5.65 kg / 12 lbs w/o stand , 10.36 kg / 23 lbs w/ stand
4.7 kg / 10 lbs w/o stand , 6.4 kg / 14 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits
400 nits
350 nits / 390 nits (peak)
Contrast Ratio
1000:1 (static)
2000:1 (static)
1300:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
10 bits, 1073741824 colors
Display Diagonal
27" (26.96 in / 684.7 mm)
32" (31.54 in / 801 mm)
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
89% DCI-P3, 99% sRGB
98% DCI-P3, 100% sRGB
99% sRGB
Pixel Density
109 ppi
140 ppi
163 ppi
Pixel Pitch
0.233 mm
0.182 mm
0.155 mm
Refresh Rate
56 Hz ~ 76 Hz
23 Hz ~ 87 Hz
40 Hz ~ 60 Hz
Resolution
QHD (2560x1440)
4K (3840x2160)
4K (3840x2160)
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
4 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V
Function
Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
EPEAT Gold, Energy Star, RoHS, TUV Rheinland Low Blue Light Certified (Hardware Solution)
ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
AMD FreeSync
Video
Flicker-free technology, Low Blue Light
Dell Power Button Sync (DPBS), Display Stream Compression (DSC), IPS Black panel technology, Multi-Monitor Sync (MMS), KVM Switch, Flicker-free technology, ComfortView Plus, Picture-by-Picture, Dell Display Manager Compatibility, Picture-in-Picture
Flicker-free technology, Low Blue Light, 3-sided bezeless design
Performance
Power Consumption
33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)
29.4 W (average) / 220 W (max) / 0.3 W (sleep) / 0.2 W (off)
28 W (average) / 52 W (max) / 24.3 W (eco) / 0.3 W (sleep) / 0.3 W (off)
Production
Accessory
DisplayPort cable, USB Type-C to Type-C cable
DisplayPort cable, USB Type-C cable, USB Type-A to Type-B cable
HDMI cable
Debut
2020
2022
2020
Reviews
Neofiliac score
56%
87%
64%
Pros
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- High 92.16 % screen-to-body ratio
- Rich color reproduction
- Stand with tilt, swivel, pivot, and height adjustments
- High 2000:1 contrast ratio
- 10-bit display panel
- High 93.6 % screen-to-body ratio
- Stand with tilt, swivel, pivot, and height adjustments
- High 1300:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
Cons
- No publicized HDR support
- 8-bit display panel
- No publicized HDR support
- No publicized HDR support
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