Comparison between Dell U4021QW vs Dell Alienware AW3423DWF

General Info
Model Number	Dell U4021QW	Dell Alienware AW3423DWF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2022
Brand	Dell	Dell
Model Number	U4021QW	Alienware AW3423DWF
Display
Screen Size Class	40" (inches)	34" (inches)
Diagonal Size		34.18 in 86.8 cm 868.21 mm 2.85 ft
Screen Width	37.27 in 94.7 cm 946.6 mm 3.11 ft	31.5 in 80 cm 800.1 mm 2.63 ft
Screen Height		13.27 in 33.7 cm 337.1 mm 1.11 ft
Display Curvature	2500	1800
Display Manufacturer		Samsung
Display Type	IPS	QD-OLED
Display Bit Depth	10 bits	10 bits
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	21:9
Screen Resolution	5120 x 2160	3440 x 1440
Screen Pixel Pitch		0.23 mm
Screen Pixel Density		109 ppi
Screen-to-Body Ratio		90.85 %
Backlight Source	W-LED
DCI P3	98%	99.3%
sRGB	100 %	149 %
Screen Brightness	300 cd/m²	250 cd/m²
Max Screen Brightness		1000 cd/m²
Static Screen Contrast	1000 : 1
Dynamic Screen Contrast		1000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		7.9 ms
Display Minimum Response Time	5 ms	0.1 ms
Display Average Response Time	8 ms	3.3 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10 DisplayHDR 400 True Black
3D	No	No
Size, weight, color
Case Depth		5.4 in 13.7 cm 137.11 mm 0.45 ft
Case Weight		6.92 kg 15 lbs
Case Width with Stand	37.27 in 94.7 cm 946.6 mm 3.11 ft	32.1 in 81.5 cm 815.25 mm 2.67 ft
Case Height with Stand	18.02 in 45.8 cm 457.8 mm 1.5 ft	16.36 in 41.6 cm 415.57 mm 1.36 ft
Case Depth with Stand	9.76 in 24.8 cm 248 mm 0.81 ft	12.04 in 30.6 cm 305.71 mm 1 ft
Case Weight with Stand	9.5 kg 21 lbs	10.37 kg 23 lbs
Case Color	Black	White and Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.2 (Type-C; downstream; 15W) 1 x Ethernet RJ45 (Gigabit) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (line-out for speakers) 1 x Thunderbolt 3.0 (Type-C; upstream; 90W; DP Alt Mode) 2 x HDMI 2.0 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)	1 x HDMI 2.0 2 x DisplayPort 1.4 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out 4 x USB 3.2 (Type-A; Gen 1; 5 Gbps downstream) 1 x USB 3.2 (Type-B; Gen 1; 5 Gbps upstream)
Audio
Audio Speakers	2 x 9W
Features
Cool Features	KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Plus Flicker-free technology	5-axis OSD joystick AlienFX Lighting Quantum Dot Color Ambient Light Sensor Flicker-free technology Stadium Loop AlienFX Lighting ComfortView Plus AMD FreeSync Premium Pro 3-sided bezelless design VESA AdaptiveSync Display Legend 2.0 ID 360-degree ventilation Low Blue Light
Extra Features	Security lock slot	Security lock slot
Ergonomics
Case Width		32.1 in 81.5 cm 815.25 mm 2.67 ft
Case Height		14.34 in 36.4 cm 364.15 mm 1.19 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	120 mm 12 cm 4.7244 in 0.3937 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °	20 °
Right Swivel	30 °	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	48 Hz - 165 Hz
Horizontal Digital Frequency		30 kHz - 274 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable Thunderbolt 4 (USB-C) Active Cable USB Type-A to Type-B cable	DisplayPort to DisplayPort cable Mini DisplayPort to DisplayPort cable HDMI cable USB 3.2 Type-B cable
Certificates and Standards
Licenses		RoHS TUV Rheinland Low Blue Light (Hardware Solution)
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	10 % - 80 %	10 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	10 % - 80 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell U4021QW

Dell Alienware AW3423DWF