Comparison between HP Z27k G3 4K vs Dell P2421

General Info
Model Number	HP Z27k G3 4K	Dell P2421

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2020
Brand	HP	Dell
Model Number	Z27k G3 4K	P2421
Alias	1B9T0AA
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	24.06 in 61.1 cm 611 mm 2 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	20.41 in 51.8 cm 518.4 mm 1.7 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	12.76 in 32.4 cm 324 mm 1.06 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:10
Screen Resolution	3840 x 2160	1920 x 1200
Screen Pixel Pitch	0.155 mm	0.27 mm
Screen Pixel Density	163 ppi	94 ppi
Screen-to-Body Ratio	91.89 %	86.78 %
Backlight Source	W-LED	W-LED
DCI P3	85%
sRGB	99 %	99 %
Screen Brightness	350 cd/m²	300 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	14 ms	8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No
Size, weight, color
Case Depth	1.53 in 3.9 cm 38.9 mm 0.13 ft	1.74 in 4.4 cm 44.1 mm 0.14 ft
Case Weight	4.5 kg 10 lbs	3.5 kg 8 lbs
Case Width with Stand	24.11 in 61.2 cm 612.3 mm 2.01 ft	20.91 in 53.1 cm 531 mm 1.74 ft
Case Height with Stand	14.97 in 38 cm 380.3 mm 1.25 ft	14.6 in 37.1 cm 370.8 mm 1.22 ft
Case Depth with Stand	8.07 in 20.5 cm 205 mm 0.67 ft	6.54 in 16.6 cm 166 mm 0.54 ft
Case Weight with Stand	6.2 kg 14 lbs
Case Color	Turbo Silver
Hardware
Built-in Camera	No	No
Network	LAN
Connectivity	1 x Ethernet RJ45 1 x HDMI 2.0 1 x DisplayPort 1.4 (out) 1 x DisplayPort 1.4 (in) 1 x USB (Type-C; upstream; 100W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream)	1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DVI-D 1 x D-sub 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream)
Audio
Features
Cool Features	Low Blue Light Picture-by-Picture Picture-in-Picture 4-sided Micro Edge Design Flicker-free technology	Flicker-free technology Low Blue Light
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	24.11 in 61.2 cm 612.3 mm 2.01 ft	20.91 in 53.1 cm 531 mm 1.74 ft
Case Height	14.02 in 35.6 cm 356 mm 1.17 ft	14.35 in 36.5 cm 364.5 mm 1.2 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	150 mm 15 cm 5.9055 in 0.4921 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	45 °
Right Swivel	45 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 60 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 90 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable USB Type-A to Type-B cable	DisplayPort cable D-Sub cable (Japan only)
Certificates and Standards
Licenses	Australian-New Zealand MEPS; BIS BSMI CB CCC CE CECP CEL cTUVus EAC ENERGY STAR FCC GS Mark ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TCO Certified Edge TUV-S VCCI WEEE Ukraine Energy label WW application UAE	ENERGY STAR EPEAT RoHS TCO Certified Display
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 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 % - 95 %	10 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

HP Z27k G3 4K

Dell P2421