Compare Dell P2423DE vs Dell P2421DC vs Dell S2721DS
Connectivity
Ports
1x Ethernet RJ45, 1x HDMI 1.4, 1x DisplayPort 1.4 (out with MST), 1x DisplayPort 1.4, 4x USB 3.2 (Type-A; Gen1; 5 Gbps downstream), 1x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode)
2x USB 3.0 (downstream), 1x HDMI 1.4, 1x DisplayPort 1.2 (in), 1x DisplayPort 1.2 (out), 1x USB (Type-C; 65W), 2x USB 2.0 (downstream)
1x 3.5 mm Audio Out, 2x HDMI 1.4, 1x DisplayPort 1.2
Construction
Adjustment | Height
150 mm / 5.9055 in
130 mm / 5.1181 in
110 mm / 4.3307 in
Adjustment | Pivot
-90° ~ 90°
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-45° ~ 45°
-45° ~ 45°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 21°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black and Silver
Silver
Speakers
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
91.15% screen-to-body ratio
90.13% screen-to-body ratio
89.83% screen-to-body ratio
Size | Depth
2.05 in / 52.15 mm w/o stand, 7.07 in / 179.57 mm w/ stand
1.68 in / 42.7 mm w/o stand, 6.54 in / 166 mm w/ stand
2.18 in / 55.4 mm w/o stand, 6.88 in / 174.7 mm w/ stand
Size | Height
12.54 in / 318.5 mm w/o stand, 14.33 in / 364 mm w/ stand
12.68 in / 322.1 mm w/o stand, 14.02 in / 356.1 mm w/ stand
14.35 in / 364.6 mm w/o stand, 15.75 in / 400.1 mm w/ stand
Size | Width
21.17 in / 537.8 mm
21.17 in / 537.8 mm
24.08 in / 611.6 mm
Weight
3.92 kg / 9 lbs w/o stand , 5.98 kg / 13 lbs w/ stand
3.77 kg / 8 lbs w/o stand
4.4 kg / 10 lbs w/o stand , 6.2 kg / 14 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
300 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
8 bits, 16777216 colors
Display Diagonal
24" (23.8 in / 604.478 mm)
24" (23.78 in / 604 mm)
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
99% sRGB
99% sRGB
99% sRGB
Pixel Density
123 ppi
123 ppi
109 ppi
Pixel Pitch
0.206 mm
0.206 mm
0.233 mm
Refresh Rate
49 Hz ~ 75 Hz
60 Hz
48 Hz ~ 75 Hz
Resolution
QHD (2560x1440)
QHD (2560x1440)
QHD (2560x1440)
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
EPEAT Gold, Energy Star, RoHS, TCO Certified Edge, TUV Rheinland Flicker-free Certified, TUV Rheinland Low Blue Light Certified (Hardware Solution)
ENERGY STAR, EPEAT, RoHS, TCO Certified Display
ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light
Operating Humidity
10 % ~ 80 %
10 % ~ 90 %
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
Dell Display Manager, Dell Express Daisy Chaining, Low Blue Light, On-Screen Display (OSD) menu, Flicker-free technology, 3-side bezelless design, ComfortView Plus
Low Blue Light, Daisy Chain Availability, Flicker-free technology
Flicker-free technology, Low Blue Light, 3-sided bezeless design
Performance
Power Consumption
20 W (average) / 170 W (max) / 0.3 W (sleep) / 0.3 W (off)
25 W (average) / 127 W (max) / 0.3 W (sleep) / 0.3 W (off)
19 W (average) / 40 W (max) / 17.5 W (eco) / 0.3 W (sleep) / 0.3 W (off)
Production
Accessory
DisplayPort cable, USB Type-C cable, USB Type-A to Type-C cable
DisplayPort cable, USB Type-C cable
HDMI cable
Debut
2022
2020
2020
Reviews
Neofiliac score
52%
56%
50%
Pros
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- High 91.15 % screen-to-body ratio
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- High 90.13 % screen-to-body ratio
- Integrated USB-C hub
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- Build-in speakers included
Cons
- No publicized HDR support
- 8-bit display panel
- Priced high for what it offers
- No publicized HDR support
- 8-bit display panel
- No publicized HDR support
- 8-bit display panel
Remove
Remove
Remove
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.