0 Compare Dell E2421HN vs Dell UltraSharp U2518D - 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 E2421HN vs Dell UltraSharp U2518D

General Info
Model Number Dell E2421HN Dell UltraSharp U2518D
Price
Type Monitor Monitor
Year 2020 2017
Brand Dell Dell
Model Number E2421HN UltraSharp U2518D
Display
Screen Size Class 24" (inches) 25" (inches)
Diagonal Size 23.81 in
60.5 cm
604.7 mm
1.98 ft
24.98 in
63.4 cm
634.4 mm
2.08 ft
Screen Width 20.75 in
52.7 cm
527.04 mm
1.73 ft
21.77 in
55.3 cm
552.96 mm
1.81 ft
Screen Height 11.67 in
29.6 cm
296.46 mm
0.97 ft
12.25 in
31.1 cm
311.04 mm
1.02 ft
Display Manufacturer LG Display
Display Type IPS AH-IPS
Display Bit Depth 8 bits (6 bits + FRC) 8 bits
Frame Rate Control Yes No
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 16:9 16:9
Screen Resolution 1920 x 1080 2560 x 1440
Screen Pixel Pitch 0.275 mm 0.216 mm
Screen Pixel Density 92 ppi 117 ppi
Screen-to-Body Ratio 86.91 % 91.41 %
Backlight Source W-LED W-LED
DCI P3 79.3%
sRGB 99 %
Adobe RGB 1998 65 %
NTSC 1953 72 %
Screen Brightness 250 cd/m² 350 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 2000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 5 ms
Display Minimum Response Time 5 ms 5 ms
Display Average Response Time 8 ms 8 ms
Display Coating Anti-glare/Matte Anti-glare/Matte (3H)
HDR HDR10
3D No No
Size, weight, color
Case Depth 2.06 in
5.2 cm
52.4 mm
0.17 ft
1.94 in
4.9 cm
49.2 mm
0.16 ft
Case Weight 3.25 kg
7 lbs
3.44 kg
8 lbs
Case Width with Stand 21.68 in
55.1 cm
550.6 mm
1.81 ft
22.35 in
56.8 cm
567.6 mm
1.86 ft
Case Height with Stand 16.52 in
42 cm
419.7 mm
1.38 ft
15.64 in
39.7 cm
397.2 mm
1.3 ft
Case Depth with Stand 6.73 in
17.1 cm
171 mm
0.56 ft
7.88 in
20 cm
200.1 mm
0.66 ft
Case Weight with Stand 4.27 kg
9 lbs
6.24 kg
14 lbs
Case Color Black Silver
Hardware
Built-in Camera No No
Connectivity 1 x HDMI 1.4
1 x D-sub
1 x USB 3.0 (upstream)
1 x HDMI 2.0
1 x DisplayPort 1.2 (Input mini)
1 x 3.5 mm Audio Out
1 x DisplayPort 1.2 (Output MST)
1 x DisplayPort 1.2
2 x USB 3.0 (charger - 5V/2.0A)
2 x USB 3.0 (downstream)
Audio
Features
Cool Features Flicker-free technology
Low Blue Light
Power Nap
ComfortView
Dell Display Manager
Low Blue Light
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Extra Features Security lock slot Anti-theft stand lock slot
Security lock slot
Ergonomics
Case Width 21.68 in
55.1 cm
550.6 mm
1.81 ft
22.35 in
56.8 cm
567.6 mm
1.86 ft
Case Height 12.85 in
32.7 cm
326.5 mm
1.07 ft
13.05 in
33.2 cm
331.5 mm
1.09 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 56 Hz - 76 Hz 56 Hz - 76 Hz
Horizontal Digital Frequency 30 kHz - 83 kHz 30 kHz - 144 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras D-Sub cable
HDMI cable
DisplayPort cable - mini-DP to DP
Factory calibration report
USB 3.0 upstream cable
Certificates and Standards
Licenses Energy Star
EPEAT
TCO Certified Display
ENERGY STAR
Epeat Gold
RoHS Compliant
TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 35 °C
32 °F - 95 °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 E2421HN Dell UltraSharp U2518D