Comparison between Dell Alienware AW3423DW vs Dell AW3821DW

General Info
Model Number	Dell Alienware AW3423DW	Dell AW3821DW

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2020
Brand	Dell	Dell
Model Number	Alienware AW3423DW	AW3821DW
Display
Screen Size Class	34" (inches)	38" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	31.39 in 79.7 cm 797.22 mm 2.62 ft	34.63 in 88 cm 879.67 mm 2.89 ft
Screen Height	13.14 in 33.4 cm 333.72 mm 1.09 ft	14.43 in 36.7 cm 366.53 mm 1.2 ft
Display Curvature	1800	2300
Display Manufacturer		LG Display
Display Type		IPS
Display Bit Depth	10 bits	10 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	24:10
Screen Resolution	3440 x 1440	3840 x 1600
Screen Pixel Pitch	0.232 mm	0.229 mm
Screen Pixel Density	109 ppi	111 ppi
Screen-to-Body Ratio		90.21 %
Backlight Source		W-LED
DCI P3	99.3%	95%
sRGB		130.6 %
Screen Brightness	250 cd/m²	450 cd/m²
Max Screen Brightness	1000 cd/m²	600 cd/m²
Static Screen Contrast		1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	0.1 ms	1 ms
Display Average Response Time		3 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10 DisplayHDR 400 True Black	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
Case Height with Stand		17.7 in 45 cm 449.7 mm 1.48 ft
Case Depth with Stand		11.56 in 29.4 cm 293.5 mm 0.96 ft
Case Weight with Stand		12.1 kg 27 lbs
Case Color	White	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 4 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)	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)
Audio
Features
Cool Features	ComfortView Plus Flicker-free technology NVIDIA G-Sync technology Quantum Dot Color Low Blue Light 5-axis OSD joystick AlienFX Lighting	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
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	Yes
Height Adjustment Range	110 mm 11 cm 4.3307 in 0.3609 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel		20 °
Right Swivel		20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt		5 °
Backward Tilt		21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 175 Hz	24 Hz - 144 Hz
Horizontal Digital Frequency		30 kHz - 246 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras		DisplayPort cable HDMI cable Mini-DisplayPort to DisplayPort Cable USB Type-B 3.2 Gen 1 cable
Certificates and Standards
Licenses	TUV Rheinland Low Blue Light (Hardware Solution)	CECP CEL ENERGY STAR RoHS Compliant TCO Certified Displays TUV Rheonland Eye Safety Certified
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 Alienware AW3423DW

Dell AW3821DW