Comparison between Dell U4021QW vs Asus VS239H

General Info
Model Number	Dell U4021QW	Asus VS239H

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Type	Monitor	Monitor
Year	2021	2012
Brand	Dell	Asus
Model Number	U4021QW	VS239H
Alias		VS239H-P
Display
Screen Size Class	40" (inches)	23" (inches)
Diagonal Size		22.99 in 58.4 cm 584 mm 1.92 ft
Screen Width	37.27 in 94.7 cm 946.6 mm 3.11 ft	20.07 in 51 cm 509.76 mm 1.67 ft
Screen Height		11.29 in 28.7 cm 286.74 mm 0.94 ft
Display Curvature	2500
Display Type	IPS	IPS
Display Bit Depth	10 bits	8 bits (6 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	21:9	16:9
Screen Resolution	5120 x 2160	1920 x 1080
Screen Pixel Pitch		0.266 mm
Screen Pixel Density		95 ppi
Screen-to-Body Ratio		79.28 %
Backlight Source	W-LED	W-LED
DCI P3	98%
sRGB	100 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		50000000 : 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 (3H)
3D	No	No
Size, weight, color
Case Depth		1.77 in 4.5 cm 45 mm 0.15 ft
Case Width with Stand	37.27 in 94.7 cm 946.6 mm 3.11 ft	21.73 in 55.2 cm 552 mm 1.81 ft
Case Height with Stand	18.02 in 45.8 cm 457.8 mm 1.5 ft	15.76 in 40 cm 400.3 mm 1.31 ft
Case Depth with Stand	9.76 in 24.8 cm 248 mm 0.81 ft	7.87 in 20 cm 200 mm 0.66 ft
Case Weight with Stand	9.5 kg 21 lbs	3.5 kg 8 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	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)	1 x D-sub 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DVI-D Dual Link
Audio
Audio Speakers	2 x 9W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology	HDCP (High-bandwidth Digital Content Protection) SPLENDID Video Intelligence Technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width		21.73 in 55.2 cm 552 mm 1.81 ft
Case Height		13.15 in 33.4 cm 334 mm 1.1 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	50 Hz - 75 Hz
Horizontal Digital Frequency		30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable	D-sub cable DVI-D cable
Certificates and Standards
Licenses		BSMI CB CCC CE C-Tick CU ENERGY STAR 5.0 Epeat Gold ErP FCC Class B RoHS UL/cUL VCCI WEEE WHQL (Windows 8; Windows 7)
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 50 °C 32 °F - 122 °F
Safe Operating Humidity Level	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	20 °C - 60 °C 68 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell U4021QW

Asus VS239H