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Comparison between Dell Alienware AW2521HF vs Dell UltraSharp U2715H

General Info
Model Number Dell Alienware AW2521HF Dell UltraSharp U2715H
Price
Type Monitor Monitor
Year 2020 2014
Brand Dell Dell
Model Number Alienware AW2521HF UltraSharp U2715H
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
596.74 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 LG Display
Display Type IPS AH-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 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 % 89.96 %
Backlight Source W-LED W-LED
sRGB 99 % 99 %
NTSC 1953 72 %
Screen Brightness 400 cd/m² 350 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 2000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 12 ms
Display Minimum Response Time 1 ms 6 ms
Display Maximum 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
1.83 in
4.6 cm
46.4 mm
0.15 ft
Case Weight 3.55 kg
8 lbs
4.91 kg
11 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
16.14 in
41 cm
409.9 mm
1.34 ft
Case Depth with Stand 9.92 in
25.2 cm
251.92 mm
0.83 ft
8.07 in
20.5 cm
205 mm
0.67 ft
Case Weight with Stand 7.17 kg
16 lbs
7.02 kg
15 lbs
Case Color Black 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)
2 x HDMI 1.4 (MHL 2.0)
1 x DisplayPort (Output MST)
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
1 x DisplayPort (Input mini)
5 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
Audio
Features
Cool Features Low Blue Light
NVIDIA G-SYNC Compatible
AMD FreeSync Premium
Flicker-free technology
Extra Features Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 21.9 in
55.6 cm
556.29 mm
1.83 ft
24.12 in
61.3 cm
612.7 mm
2.01 ft
Case Height 12.92 in
32.8 cm
328.24 mm
1.08 ft
14.31 in
36.3 cm
363.4 mm
1.19 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
100 mm
10 cm
3.937 in
0.3281 ft
Landscape or Portrait Pivot Support Yes Yes
Left Pivot 90 ° 90 °
Right Pivot 90 ° 0 °
Left or Right Swivel Support Yes Yes
Left Swivel 20 ° 45 °
Right Swivel 20 ° 45 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 21 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 240Hz 56 Hz - 86 Hz
Horizontal Digital Frequency 30 kHz - 255 kHz 30 kHz - 113 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable
HDMI cable
USB 3.0 Type-B to Type-A cable
DisplayPort cable - mini-DP to DP
Factory calibration report
HDMI cable
USB 3.0 upstream cable
Certificates and Standards
Licenses ENERGY STAR 6.0
Epeat Gold
RoHS Compliant
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 - 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 UltraSharp U2715H