Comparison between Dell Alienware AW3420DW vs Dell Alienware AW2521HF

General Info
Model Number	Dell Alienware AW3420DW	Dell Alienware AW2521HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2020
Brand	Dell	Dell
Model Number	Alienware AW3420DW	Alienware AW2521HF
Alias		Alienware AW2521HFL
Display
Screen Size Class	34" (inches)	25" (inches)
Diagonal Size	34.14 in 86.7 cm 867.2 mm 2.85 ft	24.5 in 62.2 cm 622.3 mm 2.04 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	21.41 in 54.4 cm 543.744 mm 1.78 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	11.91 in 30.3 cm 302.616 mm 0.99 ft
Display Curvature	1900
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	21:9	16:9
Screen Resolution	3440 x 1440	1920 x 1080
Screen Pixel Pitch	0.233 mm	0.283 mm
Screen Pixel Density	109 ppi	89 ppi
Screen-to-Body Ratio	90.48 %	90.11 %
Backlight Source	W-LED	W-LED
DCI P3	98%
sRGB	134.5 %	99 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast		1000 : 1
Dynamic Screen Contrast	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	2 ms	1 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	4.64 in 11.8 cm 117.9 mm 0.39 ft	2.87 in 7.3 cm 72.95 mm 0.24 ft
Case Weight	6.8 kg 15 lbs	3.55 kg 8 lbs
Case Width with Stand	32.01 in 81.3 cm 813 mm 2.67 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height with Stand	16.92 in 43 cm 429.8 mm 1.41 ft	16.58 in 42.1 cm 421.21 mm 1.38 ft
Case Depth with Stand	10.78 in 27.4 cm 273.8 mm 0.9 ft	9.92 in 25.2 cm 251.92 mm 0.83 ft
Case Weight with Stand	11.1 kg 24 lbs	7.17 kg 16 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	3 x USB 3.0 (downstream) 1 x HDMI 1.4 1 x 3.5 mm Audio Out (line-out) 1 x 3.5 mm Audio Out (headphone) 1 x DisplayPort 1.2 1 x USB 3.0 (Type-B; upstream) 1 x USB 3.0 (downstream; BC 1.2)	1 x USB 3.0 (Type-B; upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out (line-out) 1 x DisplayPort 1.2 3 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-A; downstream; BC 1.2 2A)
Audio
Features
Cool Features	Built in cable-management Flicker-free technology Dynamic on-screen display AlienFX custom lighting Nvidia G-SYNC Technology	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Ergonomics
Case Width	32.01 in 81.3 cm 813 mm 2.67 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height	14.33 in 36.4 cm 364 mm 1.19 ft	12.92 in 32.8 cm 328.24 mm 1.08 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	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	20 °	20 °
Right Swivel	20 °	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 120 Hz	48 Hz - 240Hz
Horizontal Digital Frequency	73 kHz - 180 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 upstream cable Stand base Stand riser I/O cover	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable
Certificates and Standards
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	0 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 80 °C -4 °F - 176 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell Alienware AW3420DW

Dell Alienware AW2521HF