Comparison between Dell Alienware AW2521H vs Dell Alienware AW2720HF

General Info
Model Number	Dell Alienware AW2521H	Dell Alienware AW2720HF

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2019
Brand	Dell	Dell
Model Number	Alienware AW2521H	Alienware AW2720HF
Display
Screen Size Class	25" (inches)	27" (inches)
Diagonal Size	24.5 in 62.2 cm 622.28 mm 2.04 ft	26.97 in 68.5 cm 685 mm 2.25 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	23.49 in 59.7 cm 596.7 mm 1.96 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	13.22 in 33.6 cm 335.7 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.283 mm	0.311 mm
Screen Pixel Density	89 ppi	81 ppi
Screen-to-Body Ratio	90.11 %	89.12 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
Adobe RGB 1998	73 %
Screen Brightness	430 cd/m²	350 cd/m²
Max Screen Brightness	460 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	2 ms
Display Minimum Response Time	1 ms	1 ms
Display Average Response Time	3 ms
Display Maximum Response Time	7 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	3.1 in 7.9 cm 78.7 mm 0.26 ft
Case Weight	4.52 kg 10 lbs	4.6 kg 10 lbs
Case Width with Stand	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.12 in 61.3 cm 612.7 mm 2.01 ft
Case Height with Stand	16.58 in 42.1 cm 421.21 mm 1.38 ft	17.44 in 44.3 cm 443.1 mm 1.45 ft
Case Depth with Stand	9.92 in 25.2 cm 251.92 mm 0.83 ft	9.92 in 25.2 cm 251.9 mm 0.83 ft
Case Weight with Stand	7.17 kg 16 lbs	8.8 kg 19 lbs
Case Color	Dark Side of the Moon, Lunar Light	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out (headphones) 1 x 3.5 mm Audio Out (line-out) 3 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-A; Gen 1; downstream; NVIDIA Reflex Latency Analyzer)	1 x USB 3.1 (Gen 1; BC 1.2) 2 x USB 3.1 (Gen 1; downstream) 1 x DisplayPort 1.2 2 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x USB 3.0 (Type-B; upstream) 1 x USB 3.1 (Gen 1)
Audio
Features
Cool Features	Flicker-free technology Low Blue Light NVIDIA Reflex Latency Analyzer Ventilation and cooling design NVIDIA G-SYNC technology AlienFX RGB lights AMD FreeSync Premium	Built in cable-management Flicker-free technology Dynamic on-screen display AlienFX custom lighting AMD FreeSync technology
Extra Features	AW2521HF - Dark Side of the Moon AW2521HFL - Lunar Light
Ergonomics
Case Width	21.9 in 55.6 cm 556.29 mm 1.83 ft	24.12 in 61.3 cm 612.7 mm 2.01 ft
Case Height	12.92 in 32.8 cm 328.24 mm 1.08 ft	14.44 in 36.7 cm 366.83 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	130 mm 13 cm 5.1181 in 0.4265 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 °	20 °
Right Swivel	20 °	20 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 360 Hz	48 Hz - 240 Hz
Horizontal Digital Frequency	30 kHz - 255 kHz	30 kHz - 255 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable USB 3.0 Type-B to Type-A cable	DisplayPort cable HDMI cable USB 3.0 upstream cable Stand base Stand riser I/O cover
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 - 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 AW2521H

Dell Alienware AW2720HF