Comparison between Dell P2423D vs Dell U4021QW

General Info
Model Number	Dell P2423D	Dell U4021QW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2021
Brand	Dell	Dell
Model Number	P2423D	U4021QW
Display
Screen Size Class	24" (inches)	40" (inches)
Diagonal Size	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	20.74 in 52.7 cm 526.848 mm 1.73 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Screen Height	11.67 in 29.6 cm 296.352 mm 0.97 ft
Display Curvature		2500
Display Type	IPS	IPS
Display Bit Depth	8 bits	10 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	2560 x 1440	5120 x 2160
Screen Pixel Pitch	0.206 mm
Screen Pixel Density	123 ppi
Screen-to-Body Ratio	91.15 %
Backlight Source	W-LED	W-LED
DCI P3		98%
sRGB	99 %	100 %
Screen Brightness	300 cd/m²	300 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 (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.05 in 5.2 cm 52.15 mm 0.17 ft
Case Weight	3.92 kg 9 lbs
Case Width with Stand	21.17 in 53.8 cm 537.8 mm 1.76 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand	14.33 in 36.4 cm 364 mm 1.19 ft	18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand	7.07 in 18 cm 179.57 mm 0.59 ft	9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand	5.98 kg 13 lbs	9.5 kg 21 lbs
Case Color	Black and Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 4 x USB 3.2 (Type-A; Gen1; 5 Gbps downstream) 1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode)	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)
Audio
Audio Speakers		2 x 9W
Features
Cool Features	Dell Display Manager Flicker-free technology On-Screen Display (OSD) menu Low Blue Light 3-side bezelless design ComfortView Plus	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	12.54 in 31.9 cm 318.5 mm 1.04 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	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	45 °	30 °
Right Swivel	45 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	49 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	29 kHz - 115 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable USB Type-C cable USB Type-A to Type-C cable	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable
Certificates and Standards
Licenses	EPEAT Gold Energy Star RoHS TCO Certified Edge TUV Rheinland Flicker-free Certified TUV Rheinland Low Blue Light Certified (Hardware Solution)
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 P2423D

Dell U4021QW