Comparison between Acer XG270HU vs Dell Alienware AW2521HF

General Info
Model Number	Acer XG270HU	Dell Alienware AW2521HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2015	2020
Brand	Acer	Dell
Model Number	XG270HU	Alienware AW2521HF
Alias		Alienware AW2521HFL
Display
Screen Size Class	27" (inches)	25" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	24.5 in 62.2 cm 622.3 mm 2.04 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	21.41 in 54.4 cm 543.744 mm 1.78 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	11.91 in 30.3 cm 302.616 mm 0.99 ft
Display Manufacturer	AU Optronics
Display Type	TN	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	2560 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	88.65 %	90.11 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Screen Input Lag	5 ms
Display Minimum Response Time	1 ms	1 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.48 in 3.8 cm 37.5 mm 0.12 ft	2.87 in 7.3 cm 72.95 mm 0.24 ft
Case Weight	3.5 kg 8 lbs	3.55 kg 8 lbs
Case Width with Stand	24.17 in 61.4 cm 614 mm 2.01 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height with Stand	17.76 in 45.1 cm 451 mm 1.48 ft	16.58 in 42.1 cm 421.21 mm 1.38 ft
Case Depth with Stand	8.11 in 20.6 cm 206 mm 0.68 ft	9.92 in 25.2 cm 251.92 mm 0.83 ft
Case Weight with Stand	3.86 kg 8 lbs	7.17 kg 16 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DVI-D 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1 x DisplayPort	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 2W
Features
Cool Features	AMD FreeSync technology Flicker-free technology	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology
Ergonomics
Case Width	24.17 in 61.4 cm 614 mm 2.01 ft	21.9 in 55.6 cm 556.29 mm 1.83 ft
Case Height	14.49 in 36.8 cm 368 mm 1.21 ft	12.92 in 32.8 cm 328.24 mm 1.08 ft
Vesa Mount Support	No	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		Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support		Yes
Left Swivel		20 °
Right Swivel		20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 144 Hz	48 Hz - 240Hz
Horizontal Digital Frequency		30 kHz - 255 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable DVI cable DisplayPort cable	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable
Certificates and Standards
Licenses	ENERGY STAR
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-20 °C - 80 °C -4 °F - 176 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Acer XG270HU

Dell Alienware AW2521HF