Comparison between Dell Alienware AW2521HF vs Dell S2721QS

General Info
Model Number	Dell Alienware AW2521HF	Dell S2721QS

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	Dell	Dell
Model Number	Alienware AW2521HF	S2721QS
Alias	Alienware AW2521HFL
Display
Screen Size Class	25" (inches)	27" (inches)
Diagonal Size	24.5 in 62.2 cm 622.3 mm 2.04 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	10 bits
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	3840 x 2160
Screen Pixel Pitch	0.283 mm	0.155 mm
Screen Pixel Density	89 ppi	163 ppi
Screen-to-Body Ratio	90.11 %	89.83 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
Screen Brightness	400 cd/m²	350 cd/m²
Max Screen Brightness		390 cd/m²
Static Screen Contrast	1000 : 1	1300 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	1 ms	4 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.87 in 7.3 cm 72.95 mm 0.24 ft	2.18 in 5.5 cm 55.4 mm 0.18 ft
Case Weight	3.55 kg 8 lbs	4.7 kg 10 lbs
Case Width with Stand	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height with Stand	16.58 in 42.1 cm 421.21 mm 1.38 ft	15.75 in 40 cm 400.1 mm 1.31 ft
Case Depth with Stand	9.92 in 25.2 cm 251.92 mm 0.83 ft	6.88 in 17.5 cm 174.7 mm 0.57 ft
Case Weight with Stand	7.17 kg 16 lbs	6.4 kg 14 lbs
Case Color	Black	Silver
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 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers		2 x 3W
Features
Cool Features	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.08 in 61.2 cm 611.6 mm 2.01 ft
Case Height	12.92 in 32.8 cm 328.24 mm 1.08 ft	14.35 in 36.5 cm 364.6 mm 1.2 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	110 mm 11 cm 4.3307 in 0.3609 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 °	30 °
Right Swivel	20 °	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 240Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 255 kHz	130 kHz - 137 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable	HDMI cable
Certificates and Standards
Licenses		ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
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 S2721QS