Compare Dell S2722QC vs Dell S2721HS vs Dell P2422HE
Connectivity
Ports
2x HDMI 2.0, 1x DisplayPort 1.2, 2x 3.5 mm Audio Out, 1x USB (Type-C; upstream; 65W; DP Alt Mode), 2x USB 3.2 (Type-A; Gen 1; downstream)
1x 3.5 mm Audio Out, 1x HDMI 1.4, 1x DisplayPort 1.2
1x Ethernet RJ45 (PXE boot; wake-on-LAN; MAC address pass-through), 1x HDMI 1.4, 1x DisplayPort 1.2 (Output MST), 1x DisplayPort 1.2, 1x USB 3.1 (Type-C; Gen 1; upstream; 65W; DP Alt Mode), 4x USB 3.2 (Type-A; Gen 1; downstream)
Construction
Adjustment | Height
110 mm / 4.3307 in
110 mm / 4.3307 in
150 mm / 5.9055 in
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-30° ~ 30°
-45° ~ 45°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Silver
Black, Silver
Black
Speakers
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
89.82% screen-to-body ratio
90.67% screen-to-body ratio
Size | Depth
2.18 in / 55.43 mm w/o stand, 6.88 in / 174.72 mm w/ stand
2.13 in / 54 mm w/o stand, 6.88 in / 174.7 mm w/ stand
7.07 in / 179.57 mm w/ stand
Size | Height
14.36 in / 364.64 mm w/o stand, 15.75 in / 400.05 mm w/ stand
14.31 in / 363.6 mm w/o stand, 15.71 in / 399 mm w/ stand
13.63 in / 346.11 mm w/ stand
Size | Width
24.08 in / 611.6 mm
24.01 in / 609.9 mm
21.21 in / 538.8 mm
Weight
5.37 kg / 12 lbs w/o stand , 7.1 kg / 16 lbs w/ stand
4.3 kg / 9 lbs w/o stand , 6 kg / 13 lbs w/ stand
3.81 kg / 8 lbs w/o stand , 6 kg / 13 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits
300 nits
250 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
8 bits, 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
Display Diagonal
27" (26.96 in / 684.7 mm)
27" (27 in / 685.891 mm)
24" (23.81 in / 604.698 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
99% sRGB
72% NTSC
99% sRGB
Pixel Density
163 ppi
81 ppi
92 ppi
Pixel Pitch
0.155 mm
0.311 mm
0.275 mm
Refresh Rate
24 Hz ~ 76 Hz
48 Hz ~ 75 Hz
60 Hz
Resolution
4K (3840x2160)
FHD (1920x1080)
FHD (1920x1080)
Response Time
4 ms (min) / 5 ms (avg) / 8 ms (max)
4 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V
Function
Licenses
TUV Rheinland Low Blue Light (Hardware Solution)
ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light
BFR/PVC free monitor, Energy Star, EPEAT Gold, RoHS, TCO Edge Certified Displays
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
AMD FreeSync
Video
Dell Display Manager, Flicker-free technology, Low Blue Light, ComfortView
Flicker-free technology, Low Blue Light, 3-sided bezeless design
Dell Express Daisy Chaining, Flicker-free technology, Low Blue Light, ComfortView Plus, Dell Display Manager
Performance
Energy Efficiency
F
Power Consumption
24.8 W (average) / 155 W (max) / 0.3 W (sleep) / 0.2 W (off)
20 W (average) / 31 W (max) / 12.59 W (eco) / 0.3 W (sleep) / 0.3 W (off)
14.5 W (average) / 118 W (max) / 0.3 W (sleep) / 0.2 W (off)
Power Supply
65 W Power Delivery via USB-C
65 W Power Delivery via USB-C
Production
Accessory
DisplayPort cable, HDMI cable
HDMI cable
DisplayPort cable, USB Type-C cable
Debut
2021
2020
2021
Reviews
Neofiliac score
64%
56%
41%
Pros
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
- Integrated USB-C hub
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- High 90.67 % screen-to-body ratio
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- Integrated USB-C hub
Cons
- No publicized HDR support
- No publicized HDR support
- 8-bit display panel
- No publicized HDR support
- 8-bit display panel
- Display panel not very bright
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