Comparison between Acer XR383CUR vs Dell U3821DW

General Info
Model Number	Acer XR383CUR	Dell U3821DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2021
Brand	Acer	Dell
Model Series		UltraSharp
Model Number	XR383CUR	U3821DW
Display
Screen Size Class	38" (inches)	38" (inches)
Diagonal Size	37.5 in 95.3 cm 952.5 mm 3.13 ft	37.52 in 95.3 cm 952.9 mm 3.13 ft
Screen Width	34.76 in 88.3 cm 882.816 mm 2.9 ft	35.04 in 89 cm 890 mm 2.92 ft
Screen Height	14.48 in 36.8 cm 367.84 mm 1.21 ft	15.27 in 38.8 cm 387.8 mm 1.27 ft
Display Curvature	2300	2300
Display Manufacturer	LG Display
Display Type	IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	24:10	24:10
Screen Resolution	3840 x 1600	3840 x 1600
Screen Pixel Pitch	0.229 mm	0.229 mm
Screen Pixel Density	110 ppi	109 ppi
Screen-to-Body Ratio	91.85 %	98.38 %
Backlight Source	W-LED	W-LED
DCI P3	95%	95%
sRGB		100 %
Screen Brightness		300 cd/m²
Max Screen Brightness	750 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	1 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 600	DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth	4.38 in 11.1 cm 111.3 mm 0.37 ft	4.03 in 10.2 cm 102.4 mm 0.34 ft
Case Weight		8.8 kg 19 lbs
Case Width with Stand	35.29 in 89.6 cm 896.4 mm 2.94 ft	35.21 in 89.4 cm 894.3 mm 2.93 ft
Case Height with Stand	18.02 in 45.8 cm 457.6 mm 1.5 ft	17.47 in 44.4 cm 443.8 mm 1.46 ft
Case Depth with Stand	12.16 in 30.9 cm 308.9 mm 1.01 ft	9.89 in 25.1 cm 251.2 mm 0.82 ft
Case Weight with Stand		13.6 kg 30 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.1 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-C; Gen 1; 65W; DP Alt Mode)	1 x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode) 4 x USB 3.2 (Type-A; Gen 1; downstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out (line-out for speakers) 1 x DisplayPort 1.4 1 x Ethernet RJ45 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x USB 3.2 (Type-C; downstream)
Audio
Audio Speakers	2 x 7W	2 x 9W
Features
Cool Features	Flicker-free technology Low Blue Light NVIDIA G-Sync Compatible Picture-in-Picture Picture-by-Picture Agile-Splendor IPS AMD FreeSync Premium ComfyView	Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch
Extra Features		Security lock slot
Ergonomics
Case Width	35.29 in 89.6 cm 896.4 mm 2.94 ft	35.21 in 89.4 cm 894.3 mm 2.93 ft
Case Height	15.53 in 39.4 cm 394.4 mm 1.29 ft	15.44 in 39.2 cm 392.3 mm 1.29 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	130 mm 13 cm 5.1181 in 0.4265 ft	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	30 °
Right Swivel	30 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 165 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 100 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras		DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable
Certificates and Standards
Licenses	BSMI cCSAus CCC CE China RoHS Energy Star EPA FCC Win7	ENERGY STAR 8.0 EPEAT Gold RoHS TAA Availability TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer XR383CUR

Dell U3821DW