Comparison between Dell AW3821DW vs Acer KG281K

General Info
Model Number	Dell AW3821DW	Acer KG281K

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2017
Brand	Dell	Acer
Model Number	AW3821DW	KG281K
Alias		KG281Kbmiipx
Display
Screen Size Class	38" (inches)	28" (inches)
Diagonal Size	37.5 in 95.3 cm 952.5 mm 3.13 ft	28 in 71.1 cm 711.2 mm 2.33 ft
Screen Width	34.63 in 88 cm 879.67 mm 2.89 ft	24.45 in 62.1 cm 620.93 mm 2.04 ft
Screen Height	14.43 in 36.7 cm 366.53 mm 1.2 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Curvature	2300
Display Manufacturer	LG Display
Display Type	IPS	TN
Display Bit Depth	10 bits	10 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	24:10	16:9
Screen Resolution	3840 x 1600	3840 x 2160
Screen Pixel Pitch	0.229 mm	0.162 mm
Screen Pixel Density	111 ppi	157 ppi
Screen-to-Body Ratio	90.21 %
Backlight Source	W-LED	W-LED
DCI P3	95%
sRGB	130.6 %
NTSC 1953		72 %
Screen Brightness	450 cd/m²	300 cd/m²
Max Screen Brightness	600 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 1
Screen Horizontal Viewing Angle	178 °	170 °
Screen Vertical Viewing Angle	178 °	160 °
Display Minimum Response Time	1 ms	1 ms
Display Average Response Time	3 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	DisplayHDR 600
3D	No	No
Size, weight, color
Case Depth	5.12 in 13 cm 130.1 mm 0.43 ft
Case Weight	7.9 kg 17 lbs
Case Width with Stand	35.23 in 89.5 cm 894.9 mm 2.94 ft	25.94 in 65.9 cm 658.9 mm 2.16 ft
Case Height with Stand	17.7 in 45 cm 449.7 mm 1.48 ft	18.98 in 48.2 cm 482.1 mm 1.58 ft
Case Depth with Stand	11.56 in 29.4 cm 293.5 mm 0.96 ft	9.49 in 24.1 cm 241 mm 0.79 ft
Case Weight with Stand	12.1 kg 27 lbs	5.5 kg 12 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out (line-out for speakers) 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)	1 x 3.5 mm Audio Out 1 x HDMI 1.4 (MHL) 1 x DisplayPort 1.2
Audio
Audio Speakers		2 x 2W
Features
Cool Features	ComfortView Flicker-free technology Nano IPS Picture-by-Picture NVIDIA G-Sync Ultimate Certified Low Blue Light AlienFX Lighting Picture-in-Picture Ambient Light Sensor	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Blue Light Filter
Extra Features	Security lock slot
Ergonomics
Case Width	35.23 in 89.5 cm 894.9 mm 2.94 ft
Case Height	15.72 in 39.9 cm 399.4 mm 1.31 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	20 °
Right Swivel	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	24 Hz - 144 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 246 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable Mini-DisplayPort to DisplayPort Cable USB Type-B 3.2 Gen 1 cable	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays TUV Rheonland Eye Safety Certified	ENERGY STAR ErP 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

Dell AW3821DW

Acer KG281K