Comparison between Asus VX239H vs Dell U3421WE

General Info
Model Number	Asus VX239H	Dell U3421WE

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Type	Monitor	Monitor
Year	2013	2020
Brand	Asus	Dell
Model Series		UltraSharp
Model Number	VX239H	U3421WE
Alias	VX239H-W	UltraSharp U3421WE
Display
Screen Size Class	23" (inches)	34" (inches)
Diagonal Size	22.99 in 58.4 cm 584 mm 1.92 ft	34.14 in 86.7 cm 867.2 mm 2.85 ft
Screen Width	20.05 in 50.9 cm 509.184 mm 1.67 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	11.28 in 28.6 cm 286.416 mm 0.94 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature		1900
Display Manufacturer	LG Display	LG Display
Display Type	AH-IPS	AH-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	3440 x 1440
Screen Pixel Pitch	0.265 mm	0.233 mm
Screen Pixel Density	95 ppi	109 ppi
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB		99 %
Screen Brightness	250 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	80000000 : 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 Weight		7.52 kg 17 lbs
Case Width with Stand	20.98 in 53.3 cm 532.9 mm 1.75 ft	32.02 in 81.3 cm 813.3 mm 2.67 ft
Case Height with Stand	15.35 in 39 cm 389.8 mm 1.28 ft	15.46 in 39.3 cm 392.8 mm 1.29 ft
Case Depth with Stand	8.27 in 21 cm 210.1 mm 0.69 ft	9.35 in 23.7 cm 237.4 mm 0.78 ft
Case Weight with Stand	3.8 kg 8 lbs	11.87 kg 26 lbs
Case Color	Black, White	Platinum Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 (MHL) 1 x D-sub	4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode) 1 x USB 3.1 (Type-C; downstream; 15W)
Audio
Audio Speakers	2 x 1W	2 x 5W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Low Blue Light SPLENDID Video Intelligence Technology Flicker-free technology GamePlus (Crosshair/Timer)	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width		32.02 in 81.3 cm 813.3 mm 2.67 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		150 mm 15 cm 5.9055 in 0.4921 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	56 Hz - 76 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 80 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable D-sub cable HDMI cable - optional	DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	BSMI CB CCC CE C-Tick CU ENERGY STAR ErP FCC Class B RoHS TÜV Flicker Free TÜV Low Blue Light UL/cUL VCCI WEEE WHQL (Windows 8; Windows 7)	Energy Star EPEAT Gold RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified
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 VX239H

Dell U3421WE