Comparison between Acer KG221Q Abmix vs Dell U3821DW

General Info
Model Number	Acer KG221Q Abmix	Dell U3821DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2021
Brand	Acer	Dell
Model Series		UltraSharp
Model Number	KG221Q Abmix	U3821DW
Alias	KG221QAbmix UM.WX1AA.A01
Display
Screen Size Class	22" (inches)	38" (inches)
Diagonal Size	21.5 in 54.6 cm 546.1 mm 1.79 ft	37.52 in 95.3 cm 952.9 mm 3.13 ft
Screen Width	18.77 in 47.7 cm 476.64 mm 1.56 ft	35.04 in 89 cm 890 mm 2.92 ft
Screen Height	10.56 in 26.8 cm 268.11 mm 0.88 ft	15.27 in 38.8 cm 387.8 mm 1.27 ft
Display Curvature		2300
Display Type	TN	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	24:10
Screen Resolution	1920 x 1080	3840 x 1600
Screen Pixel Pitch	0.248 mm	0.229 mm
Screen Pixel Density	102 ppi	109 ppi
Screen-to-Body Ratio	82.61 %	98.38 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB		100 %
Screen Brightness	200 cd/m²	300 cd/m²
Static Screen Contrast	600 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Display Minimum Response Time	1 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR		DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth	2.05 in 5.2 cm 52 mm 0.17 ft	4.03 in 10.2 cm 102.4 mm 0.34 ft
Case Weight	3 kg 7 lbs	8.8 kg 19 lbs
Case Width with Stand	20 in 50.8 cm 508 mm 1.67 ft	35.21 in 89.4 cm 894.3 mm 2.93 ft
Case Height with Stand	15.99 in 40.6 cm 406.1 mm 1.33 ft	17.47 in 44.4 cm 443.8 mm 1.46 ft
Case Depth with Stand	7.43 in 18.9 cm 188.8 mm 0.62 ft	9.89 in 25.1 cm 251.2 mm 0.82 ft
Case Weight with Stand	3.4 kg 7 lbs	13.6 kg 30 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	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 1W	2 x 9W
Features
Cool Features	Flicker-free technology AMD FreeSync technology Blue Light Filter	Low Blue Light Picture-by-Picture Picture-in-Picture Flicker-free technology KVM Switch
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	20 in 50.8 cm 508 mm 1.67 ft	35.21 in 89.4 cm 894.3 mm 2.93 ft
Case Height	11.99 in 30.5 cm 304.5 mm 1 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	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	15 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	55 Hz - 75 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 85 kHz	30 kHz - 100 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	D-sub cable	DisplayPort cable HDMI cable USB Type-C cable USB Type-B 3.2 Gen 1 cable
Certificates and Standards
Licenses	ENERGY STAR ErP TCO Certified Displays	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	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 65 °C -4 °F - 149 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer KG221Q Abmix

Dell U3821DW