0 Compare Dell U2424HE vs Dell S2421HN - 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 U2424HE vs Dell S2421HN

General Info
Model Number Dell U2424HE Dell S2421HN
Price
Type Monitor Monitor
Year 2023 2020
Brand Dell Dell
Model Series UltraSharp
Model Number U2424HE S2421HN
Alias UltraSharp U2424HE S2421NX
Display
Screen Size Class 24" (inches) 24" (inches)
Diagonal Size 23.81 in
60.5 cm
604.698 mm
1.98 ft
23.8 in
60.4 cm
604.478 mm
1.98 ft
Screen Width 20.75 in
52.7 cm
527.04 mm
1.73 ft
20.75 in
52.7 cm
527.04 mm
1.73 ft
Screen Height 11.67 in
29.6 cm
296.46 mm
0.97 ft
11.67 in
29.6 cm
296.46 mm
0.97 ft
Display Type IPS IPS
Display Bit Depth 8 bits (6 bits + FRC) 8 bits
Frame Rate Control Yes
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 1920 x 1080
Screen Pixel Pitch 0.275 mm 0.275 mm
Screen Pixel Density 92 ppi 92 ppi
Screen-to-Body Ratio 93.21 % 90.06 %
Backlight Source W-LED W-LED
DCI P3 85%
sRGB 100 %
NTSC 1953 72 %
Screen Brightness 250 cd/m² 250 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 5 ms 4 ms
Display Average Response Time 8 ms 8 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (3H)
3D No No
Size, weight, color
Case Depth 1.93 in
4.9 cm
49.1 mm
0.16 ft
2.12 in
5.4 cm
53.8 mm
0.18 ft
Case Weight 3.98 kg
9 lbs
3.3 kg
7 lbs
Case Width with Stand 21.21 in
53.9 cm
538.64 mm
1.77 ft
21.17 in
53.8 cm
537.8 mm
1.76 ft
Case Height with Stand 14.33 in
36.4 cm
364 mm
1.19 ft
16.25 in
41.3 cm
412.8 mm
1.35 ft
Case Depth with Stand 7.16 in
18.2 cm
181.75 mm
0.6 ft
6.02 in
15.3 cm
152.8 mm
0.5 ft
Case Weight with Stand 5.91 kg
13 lbs
4.1 kg
9 lbs
Case Color Black Black, Silver
Hardware
Built-in Camera No No
Network LAN
Connectivity 1 x USB 3.2 (Type-C; Gen 2; upstream; 90W; DP Alt Mode)
1 x USB 3.2 (Type-C; Gen 2; downstream; 15W)
1 x Ethernet RJ45
1 x DisplayPort 1.4 (out with MST)
1 x HDMI 1.4
4 x USB 3.2 (Type-A; Gen 2; downstream)
1 x USB (Type-C; Gen 2; upstream; data only)
1 x DisplayPort 1.4 (in; HBR3)
1 x USB 3.2 (Type-C; Gen 2; upstream; data only)
1 x 3.5 mm Audio Out
2 x HDMI 1.4
1 x 3.5 mm Audio Out
Audio
Features
Cool Features Dell Display Manager
Dell Power Button Sync
Flicker-free technology
Low Blue Light
KVM Switch
InfinityEdge design
Auto Brightness sensor
Multi-Monitor Sync
ComfortView Plus
Flicker-free technology
Low Blue Light
3-sided bezeless design
AMD FreeSync technology
Extra Features Anti-theft stand lock slot - Kensington Anti-theft stand lock slot - Kensington
S2421HN - silver
S2421NX - black
Ergonomics
Case Width 21.21 in
53.9 cm
538.64 mm
1.77 ft
21.17 in
53.8 cm
537.8 mm
1.76 ft
Case Height 12.25 in
31.1 cm
311.21 mm
1.02 ft
12.7 in
32.3 cm
322.6 mm
1.06 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes No
Height Adjustment Range 150 mm
15 cm
5.9055 in
0.4921 ft
Landscape or Portrait Pivot Support Yes No
Left Pivot 90 °
Right Pivot 90 °
Left or Right Swivel Support Yes No
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 - 120 Hz 48 Hz - 75 Hz
Horizontal Digital Frequency 31 kHz - 135 kHz 30 kHz - 83 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
USB Type-A to USB Type-C cable
USB Type-C cable
HDMI cable
Certificates and Standards
Licenses CEC
CECP
Energy Star
EPEAT
ErP
FCC
MEPS
NRCan
REACH
RoHS
TCO Certified
TÜV Rheinland Flicker-free Certified
TÜV Rheinland Low Blue Light Certified
ENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
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 U2424HE Dell S2421HN