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Comparison between Dell S2721HN vs Dell U2720Q

General Info
Name Dell S2721HN Dell U2720Q
Image
Type Monitor Monitor
Year 2020 2020
Brand Dell Dell
Model Series UltraSharp
Model Number S2721HN U2720Q
Alias S2721NX UltraSharp U2720Q
Display
Screen Size Class 27" (inches) 27" (inches)
Diagonal Size 27 in
68.6 cm
685.891 mm
2.25 ft
26.96 in
68.5 cm
684.7 mm
2.25 ft
Screen Width 23.54 in
59.8 cm
597.89 mm
1.96 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 13.24 in
33.6 cm
336.312 mm
1.1 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Type IPS IPS
Display Bit Depth 8 bits 10 bits (8 bits + FRC)
Frame Rate Control Yes
Max Number of Colors 16777216 1073741824
Bits 24 30
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 3840 x 2160
Screen Pixel Pitch 0.311 mm 0.155 mm
Screen Pixel Density 81 ppi 163 ppi
Screen-to-Body Ratio 90.67 % 92.04 %
Backlight Source W-LED W-LED
DCI P3 95%
sRGB 99 %
NTSC 1953 72 %
Screen Brightness 300 cd/m² 350 cd/m²
Static Screen Contrast 1000 : 1 1300 : 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)
HDR DisplayHDR 400
3D No No
Size, weight, color
Case Depth 2.13 in
5.4 cm
54 mm
0.18 ft
1.96 in
5 cm
49.7 mm
0.16 ft
Case Weight 4.3 kg
9 lbs
4.4 kg
10 lbs
Case Width with Stand 24.01 in
61 cm
609.9 mm
2 ft
24.07 in
61.1 cm
611.3 mm
2.01 ft
Case Height with Stand 17.85 in
45.3 cm
453.3 mm
1.49 ft
15.56 in
39.5 cm
395.2 mm
1.3 ft
Case Depth with Stand 7.35 in
18.7 cm
186.8 mm
0.61 ft
7.28 in
18.5 cm
185 mm
0.61 ft
Case Weight with Stand 5.2 kg
11 lbs
6.6 kg
15 lbs
Case Color Black, Silver Black
Hardware
Built-in Camera No No
Connectivity 2 x HDMI 1.4
1 x 3.5 mm Audio Out
1 x USB 3.0 (Type-C; 90W; DisplayPort)
1 x USB 3.0 (Type-C; downstream; 15W)
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x HDMI 2.0 (CEC)
1 x USB 3.0 (downstream; BC 1.2 charging at 2A)
2 x USB 3.0 (Type-A; downstream)
Audio
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
S2721HN - silver
S2721NX - black
Security lock slot
Ergonomics
Case Width 24.01 in
61 cm
609.9 mm
2 ft
24.07 in
61.1 cm
611.3 mm
2.01 ft
Case Height 14.31 in
36.4 cm
363.6 mm
1.19 ft
14.02 in
35.6 cm
356 mm
1.17 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 48 Hz - 75 Hz 60 Hz
Horizontal Digital Frequency 30 kHz - 83 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras HDMI cable DisplayPort cable
USB Type-C to Type-C cable
USB Type-C to Type-A cable
Certificates and Standards
Licenses ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
BFR-free
CEL
ENERGY STAR 6.0
EPEAT
Mercury-free
NFPA 99
PVC-free
RoHS Compliant
TCO
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 % 10 % - 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 % 5 % - 90 %
Max Operating Altitude 5000 5000
Max Storage Altitude 12192 12192
Dell S2721HN Dell U2720Q