Comparison between Dell U2421HE vs HP Z27n G2

General Info
Model Number	Dell U2421HE	HP Z27n G2

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2018
Brand	Dell	HP
Model Number	U2421HE	Z27n G2
Alias		Z27n-G2 1JS10A4
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer		LG Display Samsung
Display Type	IPS	AH3-IPS, PLS
Display Bit Depth	8 bits	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	2560 x 1440
Screen Pixel Pitch	0.275 mm	0.233 mm
Screen Pixel Density	92 ppi	109 ppi
Screen-to-Body Ratio	92.49 %	89.77 %
Backlight Source	W-LED	W-LED
DCI P3	89%
sRGB	99 %	99 %
Screen Brightness	250 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		10000000 : 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	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D	No	No
Size, weight, color
Case Depth	1.54 in 3.9 cm 39 mm 0.13 ft	1.85 in 4.7 cm 47.1 mm 0.15 ft
Case Weight	3.37 kg 7 lbs	5.2 kg 11 lbs
Case Width with Stand	21.2 in 53.9 cm 538.5 mm 1.77 ft	24.13 in 61.3 cm 613 mm 2.01 ft
Case Height with Stand	13.72 in 34.8 cm 348.4 mm 1.14 ft	20.04 in 50.9 cm 509 mm 1.67 ft
Case Depth with Stand	6.5 in 16.5 cm 165 mm 0.54 ft	8.43 in 21.4 cm 214 mm 0.7 ft
Case Weight with Stand	5.32 kg 12 lbs	8 kg 18 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.1 (Type-C; upstream; DP; 65W) 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 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2)	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Output) 3 x USB 3.0 (downstream) 2 x USB 3.1 (Type-C)
Audio
Features
Cool Features	Flicker-free technology Low Blue Light	Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	21.2 in 53.9 cm 538.5 mm 1.77 ft	24.13 in 61.3 cm 613 mm 2.01 ft
Case Height	12.35 in 31.4 cm 313.7 mm 1.03 ft	14.33 in 36.4 cm 364 mm 1.19 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	40 °	45 °
Right Swivel	40 °	45 °
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	24 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	27 kHz - 112 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable USB Type-C to Type-C cable	DisplayPort cable - mini-DP to DP USB 3.1 Type-C cable
Certificates and Standards
Licenses	ENERGY STAR EPEAT TCO Certified RoHS NFPA 99	BSMI CB CCC CE CSA EAC ENERGY STAR 7.0 Epeat Gold/Silver (market dependent) FCC Class B GEMS IS 1121 ISC KCC MEPS NOM PSB RCM SABS SASO TÜV/GS VCCI-B WHQL (Windows 10)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	10 % - 80 %	20 % - 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 U2421HE

HP Z27n G2