Comparison between Asus VS239H vs Dell U4021QW

General Info
Model Number	Asus VS239H	Dell U4021QW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2012	2021
Brand	Asus	Dell
Model Number	VS239H	U4021QW
Alias	VS239H-P
Display
Screen Size Class	23" (inches)	40" (inches)
Diagonal Size	22.99 in 58.4 cm 584 mm 1.92 ft
Screen Width	20.07 in 51 cm 509.76 mm 1.67 ft	37.27 in 94.7 cm 946.6 mm 3.11 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	8 bits (6 bits + FRC)	10 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	1920 x 1080	5120 x 2160
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	250 cd/m²	300 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	14 ms	8 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	21.73 in 55.2 cm 552 mm 1.81 ft	37.27 in 94.7 cm 946.6 mm 3.11 ft
Case Height with Stand	15.76 in 40 cm 400.3 mm 1.31 ft	18.02 in 45.8 cm 457.8 mm 1.5 ft
Case Depth with Stand	7.87 in 20 cm 200 mm 0.66 ft	9.76 in 24.8 cm 248 mm 0.81 ft
Case Weight with Stand	3.5 kg 8 lbs	9.5 kg 21 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x D-sub 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DVI-D Dual Link	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	HDCP (High-bandwidth Digital Content Protection) SPLENDID Video Intelligence Technology	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
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	No	Yes
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	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable DVI-D cable	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B 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 - 50 °C 32 °F - 122 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature	20 °C - 60 °C 68 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Asus VS239H

Dell U4021QW