Comparison between Dell Alienware AW2521HF vs Acer XG270HU

General Info
Model Number	Dell Alienware AW2521HF	Acer XG270HU

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2015
Brand	Dell	Acer
Model Number	Alienware AW2521HF	XG270HU
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	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	23.49 in 59.7 cm 596.74 mm 1.96 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	13.21 in 33.6 cm 335.66 mm 1.1 ft
Display Manufacturer		AU Optronics
Display Type	IPS	TN
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	0.233 mm
Screen Pixel Density	89 ppi	109 ppi
Screen-to-Body Ratio	90.11 %	88.65 %
Backlight Source	W-LED	W-LED
sRGB	99 %
NTSC 1953		72 %
Screen Brightness	400 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 1
Screen Horizontal Viewing Angle	178 °	170 °
Screen Vertical Viewing Angle	178 °	160 °
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	2.87 in 7.3 cm 72.95 mm 0.24 ft	1.48 in 3.8 cm 37.5 mm 0.12 ft
Case Weight	3.55 kg 8 lbs	3.5 kg 8 lbs
Case Width with Stand	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.17 in 61.4 cm 614 mm 2.01 ft
Case Height with Stand	16.58 in 42.1 cm 421.21 mm 1.38 ft	17.76 in 45.1 cm 451 mm 1.48 ft
Case Depth with Stand	9.92 in 25.2 cm 251.92 mm 0.83 ft	8.11 in 20.6 cm 206 mm 0.68 ft
Case Weight with Stand	7.17 kg 16 lbs	3.86 kg 8 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 DVI-D 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1 x DisplayPort
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Low Blue Light NVIDIA G-SYNC Compatible AMD FreeSync Premium Flicker-free technology	AMD FreeSync technology Flicker-free technology
Ergonomics
Case Width	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.17 in 61.4 cm 614 mm 2.01 ft
Case Height	12.92 in 32.8 cm 328.24 mm 1.08 ft	14.49 in 36.8 cm 368 mm 1.21 ft
Vesa Mount Support	Yes	No
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
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	21 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 240Hz	40 Hz - 144 Hz
Horizontal Digital Frequency	30 kHz - 255 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable	Audio cable DVI cable DisplayPort 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

Dell Alienware AW2521HF

Acer XG270HU