Comparison between Acer XR382CQK vs Dell U3821DW

General Info
Model Number	Acer XR382CQK	Dell U3821DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2021
Brand	Acer	Dell
Model Series		UltraSharp
Model Number	XR382CQK	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	AH-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	0.23 mm	0.229 mm
Screen Pixel Density	110 ppi	109 ppi
Screen-to-Body Ratio		98.38 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB	100 %	100 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	172 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	13 ms
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)
HDR		DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth		4.03 in 10.2 cm 102.4 mm 0.34 ft
Case Weight		8.8 kg 19 lbs
Case Width with Stand	35.31 in 89.7 cm 896.8 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	1 x USB 3.0 (upstream) 1 x HDMI 2.0 (MHL 2.1) 1 x DisplayPort 1.2 (Input mini) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 1 x DisplayPort (Output) 1 x USB (Type-C) 4 x USB 3.0 (downstream)	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 HDCP (High-bandwidth Digital Content Protection) Picture-in-Picture Picture-by-Picture AMD FreeSync technology Blue Light Filter	Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch
Extra Features		Security lock slot
Ergonomics
Case Width		35.21 in 89.4 cm 894.3 mm 2.93 ft
Case Height		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	75 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 100 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable
Certificates and Standards
Licenses		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 XR382CQK

Dell U3821DW