Comparison between Dell Alienware AW2521HF vs Dell U2520D

General Info
Model Number	Dell Alienware AW2521HF	Dell U2520D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	Dell
Model Series		UltraSharp
Model Number	Alienware AW2521HF	U2520D
Alias	Alienware AW2521HFL	UltraSharp U2520D
Display
Screen Size Class	25" (inches)	25" (inches)
Diagonal Size	24.5 in 62.2 cm 622.3 mm 2.04 ft	24.98 in 63.4 cm 634.4 mm 2.08 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	21.77 in 55.3 cm 552.96 mm 1.81 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	12.25 in 31.1 cm 311.04 mm 1.02 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control		No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.283 mm	0.216 mm
Screen Pixel Density	89 ppi	117 ppi
Screen-to-Body Ratio	90.11 %	91.23 %
Backlight Source	W-LED	W-LED
DCI P3		95%
sRGB	99 %	99 %
Screen Brightness	400 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	1 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	2.87 in 7.3 cm 72.95 mm 0.24 ft	1.96 in 5 cm 49.9 mm 0.16 ft
Case Weight	3.55 kg 8 lbs	4.2 kg 9 lbs
Case Width with Stand	21.9 in 55.6 cm 556.29 mm 1.83 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height with Stand	16.58 in 42.1 cm 421.21 mm 1.38 ft	15.07 in 38.3 cm 382.9 mm 1.26 ft
Case Depth with Stand	9.92 in 25.2 cm 251.92 mm 0.83 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	7.17 kg 16 lbs	6.4 kg 14 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	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)	1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; Gen 1; downstream; 15W) 1 x DisplayPort 1.4 (in) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (out) 1 x HDMI 2.0 (CEC) 1 x USB 3.0 (downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream)
Audio
Features
Cool Features	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology	Flicker-free technology Low Blue Light
Extra Features		Security lock slot Anti-theft stand lock slot
Ergonomics
Case Width	21.9 in 55.6 cm 556.29 mm 1.83 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height	12.92 in 32.8 cm 328.24 mm 1.08 ft	13.07 in 33.2 cm 332.1 mm 1.09 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	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	20 °	45 °
Right Swivel	20 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 240Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 255 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable	DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable
Certificates and Standards
Licenses		BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant 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	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 80 °C -4 °F - 176 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Dell Alienware AW2521HF

Dell U2520D