0 Compare Dell S2721Q vs Dell P2421 - DisplayDB

Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between Dell S2721Q vs Dell P2421

General Info
Model Number Dell S2721Q Dell P2421
Price
Type Monitor Monitor
Year 2020 2020
Brand Dell Dell
Model Number S2721Q P2421
Display
Screen Size Class 27" (inches) 24" (inches)
Diagonal Size 26.96 in
68.5 cm
684.7 mm
2.25 ft
24.06 in
61.1 cm
611 mm
2 ft
Screen Width 23.49 in
59.7 cm
596.736 mm
1.96 ft
20.41 in
51.8 cm
518.4 mm
1.7 ft
Screen Height 13.22 in
33.6 cm
335.664 mm
1.1 ft
12.76 in
32.4 cm
324 mm
1.06 ft
Display Type IPS IPS
Display Bit Depth 10 bits 8 bits
Max Number of Colors 1073741824 16777216
Bits 30 24
Screen Aspect Ratio 16:9 16:10
Screen Resolution 3840 x 2160 1920 x 1200
Screen Pixel Pitch 0.155 mm 0.27 mm
Screen Pixel Density 163 ppi 94 ppi
Screen-to-Body Ratio 89.83 % 86.78 %
Backlight Source W-LED W-LED
sRGB 99 % 99 %
Screen Brightness 350 cd/m² 300 cd/m²
Static Screen Contrast 1300 : 1 1000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 4 ms 5 ms
Display Average Response Time 8 ms 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No
Size, weight, color
Case Depth 2.18 in
5.5 cm
55.4 mm
0.18 ft
1.74 in
4.4 cm
44.1 mm
0.14 ft
Case Weight 4.7 kg
10 lbs
3.5 kg
8 lbs
Case Width with Stand 24.08 in
61.2 cm
611.6 mm
2.01 ft
20.91 in
53.1 cm
531 mm
1.74 ft
Case Height with Stand 17.85 in
45.3 cm
453.4 mm
1.49 ft
14.6 in
37.1 cm
370.8 mm
1.22 ft
Case Depth with Stand 7.35 in
18.7 cm
186.8 mm
0.61 ft
6.54 in
16.6 cm
166 mm
0.54 ft
Case Weight with Stand 5.6 kg
12 lbs
Case Color Silver
Hardware
Built-in Camera No No
Connectivity 1 x 3.5 mm Audio Out
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x USB 3.0 (upstream)
1 x HDMI 1.4
1 x DVI-D
1 x D-sub
1 x DisplayPort 1.2
2 x USB 2.0 (downstream)
2 x USB 3.0 (downstream)
Audio
Audio Speakers 2 x 3W
Features
Cool Features Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
Flicker-free technology
Low Blue Light
Extra Features Anti-theft stand lock slot - Kensington Security lock slot
Ergonomics
Case Width 24.08 in
61.2 cm
611.6 mm
2.01 ft
20.91 in
53.1 cm
531 mm
1.74 ft
Case Height 14.35 in
36.5 cm
364.6 mm
1.2 ft
14.35 in
36.5 cm
364.5 mm
1.2 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment No Yes
Height Adjustment Range 130 mm
13 cm
5.1181 in
0.4265 ft
Landscape or Portrait Pivot Support No Yes
Left Pivot 90 °
Right Pivot 90 °
Left or Right Swivel Support No Yes
Left Swivel 45 °
Right Swivel 45 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 40 Hz - 60 Hz 60 Hz
Horizontal Digital Frequency 130 kHz - 137 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras HDMI cable DisplayPort cable
D-Sub cable (Japan only)
Certificates and Standards
Licenses ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
ENERGY STAR
EPEAT
RoHS
TCO Certified Display
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 80 % 20 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 90 % 10 % - 90 %
Max Operating Altitude 5000 5000
Max Storage Altitude 12192 12192
Dell S2721Q Dell P2421