Comparison between Dell Alienware AW5520QF vs Dell Alienware AW2521HF

General Info
Model Number	Dell Alienware AW5520QF	Dell Alienware AW2521HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2020
Brand	Dell	Dell
Model Number	Alienware AW5520QF	Alienware AW2521HF
Alias		Alienware AW2521HFL
Display
Screen Size Class	55" (inches)	25" (inches)
Diagonal Size	54.64 in 138.8 cm 1387.8 mm 4.55 ft	24.5 in 62.2 cm 622.3 mm 2.04 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	21.41 in 54.4 cm 543.744 mm 1.78 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	11.91 in 30.3 cm 302.616 mm 0.99 ft
Display Type	OLED	IPS
Display Bit Depth	10 bits	8 bits
Frame Rate Control	No
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	1920 x 1080
Screen Pixel Pitch	0.315 mm	0.283 mm
Screen Pixel Density	80 ppi	89 ppi
Screen-to-Body Ratio	93.61 %	90.11 %
Backlight Source		W-LED
DCI P3	98.5%
sRGB		99 %
Screen Brightness	130 cd/m²	400 cd/m²
Max Screen Brightness	400 cd/m²
Static Screen Contrast	130000 : 1	1000 : 1
Screen Horizontal Viewing Angle	120 °	178 °
Screen Vertical Viewing Angle	120 °	178 °
Display Minimum Response Time	0.5 ms	1 ms
Display Coating	Anti-glare/Matte (2H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	3.16 in 8 cm 80.3 mm 0.26 ft	2.87 in 7.3 cm 72.95 mm 0.24 ft
Case Weight	25.5 kg 56 lbs	3.55 kg 8 lbs
Case Width with Stand	48.26 in 122.6 cm 1225.9 mm 4.02 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height with Stand	30.34 in 77.1 cm 770.6 mm 2.53 ft	16.58 in 42.1 cm 421.21 mm 1.38 ft
Case Depth with Stand	10.39 in 26.4 cm 263.91 mm 0.87 ft	9.92 in 25.2 cm 251.92 mm 0.83 ft
Case Weight with Stand	26.1 kg 57 lbs	7.17 kg 16 lbs
Case Color	Black, Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.0 (downstream; BC 1.2) 3 x HDMI 2.0 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 3 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	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
Audio Speakers	2 x 14W
Features
Cool Features	AMD FreeSync technology	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Ergonomics
Case Width	48.26 in 122.6 cm 1225.9 mm 4.02 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height	28.24 in 71.7 cm 717.2 mm 2.35 ft	12.92 in 32.8 cm 328.24 mm 1.08 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 200	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		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	No	Yes
Left Swivel		20 °
Right Swivel		20 °
Forward and Backward Tilt Support	No	Yes
Forward Tilt		5 °
Backward Tilt		21 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 120 Hz	48 Hz - 240Hz
Horizontal Digital Frequency	27 kHz - 269 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplatPort cable HDMI cable USB 3.0 cable VESA adapter	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	10 % - 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 AW5520QF

Dell Alienware AW2521HF