Comparison between Dell E2421HN vs Lenovo L22i-30

General Info
Model Number	Dell E2421HN	Lenovo L22i-30

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Dell	Lenovo
Model Number	E2421HN	L22i-30
Alias		66CAKAC1
Display
Screen Size Class	24" (inches)	22" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	21.5 in 54.6 cm 546.1 mm 1.79 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	18.74 in 47.6 cm 476.064 mm 1.56 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	10.54 in 26.8 cm 267.786 mm 0.88 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits (6 bits + FRC)
Frame Rate Control	Yes	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	0.248 mm
Screen Pixel Density	92 ppi	102 ppi
Screen-to-Body Ratio	86.91 %	87.78 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		3000000 : 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	6 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	2.06 in 5.2 cm 52.4 mm 0.17 ft	1.79 in 4.6 cm 45.5 mm 0.15 ft
Case Weight	3.25 kg 7 lbs	2.39 kg 5 lbs
Case Width with Stand	21.68 in 55.1 cm 550.6 mm 1.81 ft	19.26 in 48.9 cm 489.3 mm 1.61 ft
Case Height with Stand	16.52 in 42 cm 419.7 mm 1.38 ft	15.91 in 40.4 cm 404.1 mm 1.33 ft
Case Depth with Stand	6.73 in 17.1 cm 171 mm 0.56 ft	6.5 in 16.5 cm 165 mm 0.54 ft
Case Weight with Stand	4.27 kg 9 lbs	3.06 kg 7 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x D-sub	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub
Audio
Features
Cool Features	Flicker-free technology Low Blue Light Power Nap ComfortView Dell Display Manager	Blue Light Filter DDC/CI Flicker-free technology 3-side NearEdgeless Design AMD FreeSync technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	21.68 in 55.1 cm 550.6 mm 1.81 ft	19.26 in 48.9 cm 489.3 mm 1.61 ft
Case Height	12.85 in 32.7 cm 326.5 mm 1.07 ft	11.69 in 29.7 cm 296.8 mm 0.97 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	22 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 76 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	D-Sub cable HDMI cable	HDMI cable
Certificates and Standards
Licenses	Energy Star EPEAT TCO Certified Display	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 RoHS TCO Certified Display 8.0 TCO Edge 2.0 TÜV Rheinland Flicker-free TÜV Rheinland Low Blue Light WHQL (Windows 10; Windows 7)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 45 °C 32 °F - 113 °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 % - 95 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell E2421HN

Lenovo L22i-30