Comparison between Dell S2817Q vs Dell Alienware AW2521HF

General Info
Model Number	Dell S2817Q	Dell Alienware AW2521HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2016	2020
Brand	Dell	Dell
Model Number	S2817Q	Alienware AW2521HF
Alias		Alienware AW2521HFL
Display
Screen Size Class	28" (inches)	25" (inches)
Diagonal Size	27.9 in 70.9 cm 708.6 mm 2.32 ft	24.5 in 62.2 cm 622.3 mm 2.04 ft
Screen Width	24.45 in 62.1 cm 620.93 mm 2.04 ft	21.41 in 54.4 cm 543.744 mm 1.78 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	11.91 in 30.3 cm 302.616 mm 0.99 ft
Display Type	TN	IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes
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	0.162 mm	0.283 mm
Screen Pixel Density	157 ppi	89 ppi
Screen-to-Body Ratio	84.23 %	90.11 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	300 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	8000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	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	2.5 in 6.3 cm 63.4 mm 0.21 ft	2.87 in 7.3 cm 72.95 mm 0.24 ft
Case Weight	5.05 kg 11 lbs	3.55 kg 8 lbs
Case Width with Stand	25.9 in 65.8 cm 657.9 mm 2.16 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height with Stand	18.53 in 47.1 cm 470.6 mm 1.54 ft	16.58 in 42.1 cm 421.21 mm 1.38 ft
Case Depth with Stand	7.3 in 18.5 cm 185.4 mm 0.61 ft	9.92 in 25.2 cm 251.92 mm 0.83 ft
Case Weight with Stand	6.6 kg 15 lbs	7.17 kg 16 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 (MHL) 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (Input mini) 2 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 3W
Built-in Subwoofer	1 x 6
Features
Cool Features	Picture-by-Picture Picture-in-Picture DDC/CI HDCP (High-bandwidth Digital Content Protection)	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Extra Features	Security lock slot
Ergonomics
Case Width	25.9 in 65.8 cm 657.9 mm 2.16 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height	15.06 in 38.2 cm 382.4 mm 1.25 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	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	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 75 Hz	48 Hz - 240Hz
Horizontal Digital Frequency	31 kHz - 140 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 upstream cable	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 Epeat Silver RoHS 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 - 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 S2817Q

Dell Alienware AW2521HF