Comparison between Dell E2420H vs Dell U2421E

General Info
Model Number	Dell E2420H	Dell U2421E

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	Dell
Model Number	E2420H	U2421E
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	24.06 in 61.1 cm 611 mm 2 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	20.41 in 51.8 cm 518.4 mm 1.7 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	12.76 in 32.4 cm 324 mm 1.06 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:10
Screen Resolution	1920 x 1080	1920 x 1200
Screen Pixel Pitch	0.275 mm	0.275 mm
Screen Pixel Density	92 ppi	94 ppi
Screen-to-Body Ratio		100.87 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	350 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	5 ms
Display Average Response Time	8 ms	8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth		1.54 in 3.9 cm 39 mm 0.13 ft
Case Weight	3.25 kg 7 lbs	4 kg 9 lbs
Case Width with Stand	21.68 in 55.1 cm 550.672 mm 1.81 ft	20.9 in 53.1 cm 530.8 mm 1.74 ft
Case Height with Stand	16.52 in 42 cm 419.61 mm 1.38 ft	14.33 in 36.4 cm 364 mm 1.19 ft
Case Depth with Stand	6.73 in 17.1 cm 170.942 mm 0.56 ft	6.81 in 17.3 cm 173 mm 0.57 ft
Case Weight with Stand	4.27 kg 9 lbs	6.1 kg 13 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 1 x D-sub	1 x USB 3.2 (Type-C; Gen 1; upstream; 90W; DP Alt Mode) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 4 x USB 3.2 (Type-A; Gen 1; downstream; 2x BC 1.2) 1 x USB 3.2 (Type-C; Gen 1; downstream; 15W)
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) 1.2 Low Blue Light PowerNap Dell Display Manager Flicker-free technology	Easy Arrange Flicker-free technology Low Blue Light Infinity Edge design ComfortView Plus Dell Display Manager
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	21.68 in 55.1 cm 550.672 mm 1.81 ft	20.9 in 53.1 cm 530.8 mm 1.74 ft
Case Height		12.35 in 31.4 cm 313.7 mm 1.03 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		150 mm 15 cm 5.9055 in 0.4921 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	60 Hz	60 Hz
Horizontal Digital Frequency		30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable VGA cable (EMEA and Japan only)	DisplayPort cable USB Type-C to Type-A cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	Energy Star EPEAT TCO Certified Display	ENERGY STAR EPEAT Golf TCO Certified TUV Rheinland Low Blue Light Certified
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 E2420H

Dell U2421E