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Compare Alienware AW5520QF vs Dell S2721DGF vs Alienware AW2721D

Connectivity

Ports
1x USB 3.0 (downstream; BC 1.2), 3x HDMI 2.0, 1x S/PDIF, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4, 3x USB 3.0 (downstream), 1x USB 3.0 (upstream)
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x 3.5 mm Audio In, 4x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out (line-out for speakers), 1x 3.5 mm Audio Out (headphones), 4x USB 3.2 (Type-A; Gen 1; downstream), 1x USB 3.2 (Type-B; Gen 1; upstream)

Construction

Adjustment | Height
N/A
130 mm / 5.1181 in
130 mm / 5.1181 in
Adjustment | Pivot
N/A
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
N/A
-45° ~ 45°
-20° ~ 20°
Adjustment | Tilt
N/A
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black, Silver
Black
Black
Speakers
2x 14W
VESA Mount
200 x 200 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
93.61% screen-to-body ratio
90.07% screen-to-body ratio
92.6% screen-to-body ratio
Size | Depth
3.16 in / 80.3 mm w/o stand, 10.39 in / 263.91 mm w/ stand
2.67 in / 67.8 mm w/o stand, 7.89 in / 200.3 mm w/ stand
3.24 in / 82.4 mm w/o stand, 9.92 in / 251.9 mm w/ stand
Size | Height
28.24 in / 717.2 mm w/o stand, 30.34 in / 770.6 mm w/ stand
14.31 in / 363.6 mm w/o stand, 15.51 in / 393.9 mm w/ stand
14.02 in / 356 mm w/o stand, 17.44 in / 443.1 mm w/ stand
Size | Width
48.26 in / 1225.9 mm
24.08 in / 611.6 mm
23.93 in / 607.7 mm
Weight
25.5 kg / 56 lbs w/o stand , 26.1 kg / 57 lbs w/ stand
4.5 kg / 10 lbs w/o stand
6.3 kg / 14 lbs w/o stand , 10.9 kg / 24 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
16:9
Brightness
130 nits / 400 nits (peak)
400 nits
450 nits / 600 nits (peak)
Contrast Ratio
130000:1 (static)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
55" (54.64 in / 1387.8 mm)
27" (26.96 in / 684.7 mm)
27" (26.96 in / 684.667 mm)
Display Type
OLED, Anti-glare/Matte (2H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
98.5% DCI-P3
98% DCI-P3
98% DCI-P3, 131.3% sRGB
Input Lag
3 ms
Pixel Density
80 ppi
109 ppi
109 ppi
Pixel Pitch
0.315 mm
0.233 mm
0.233 mm
Refresh Rate
40 Hz ~ 120 Hz
30 Hz ~ 165 Hz
1 Hz ~ 240 Hz
Resolution
4K (3840x2160)
QHD (2560x1440)
QHD (2560x1440)
Response Time
0.5 ms (min)
1 ms (min)
1 ms (min) / 3 ms (avg)
Viewing Angle
120° H / 120° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400
DisplayHDR 600
Licenses
ENERGY STAR, EPEAT, TCO Certified, RoHS
CECP, CEL, ENERGY STAR, RoHS Compliant, TCO Certified Displays, TUV Rheonland Eye Safety Certified
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
AMD FreeSync
NVIDIA G-SYNC, AMD FreeSync Premium
NVIDIA G-SYNC
Video
Low Blue Light, RGB lights, Flicker-free technology
ComfortView, Flicker-free technology, Nano IPS, Picture-by-Picture, Low Blue Light, AlienFX Lighting, Picture-in-Picture, Ambient Light Sensor

Performance

Power Consumption
100 W (average) / 390 W (max) / 84.75 W (eco) / 0.5 W (sleep) / 0.3 W (off)
32 W (average) / 90 W (max) / 0.3 W (sleep)
31 W (average) / 95 W (max) / 0.3 W (sleep) / 0.2 W (off)

Production

Accessory
DisplatPort cable, HDMI cable, USB 3.0 cable, VESA adapter
DisplayPort cable, HDMI cable, USB 3.0 cable
DisplayPort cable, Mini-DisplayPort to DisplayPort Cable, USB Type-B 3.2 Gen 1 cable
Debut
2019
2020
2020

Reviews

Neofiliac score
64%
94%
94%
Pros
  • Gorgeous OLED panel
  • Fast 0.5 ms response time
  • High 130000:1 contrast ratio
  • 10-bit display panel
  • High 93.61 % screen-to-body ratio
  • Build-in speakers included
  • DisplayHDR 400
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • High 90.07 % screen-to-body ratio
  • DisplayHDR 600
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • High 92.6 % screen-to-body ratio
Cons
  • No publicized HDR support
  • Stand lacks ergonomic adjustment
  • Display panel not very bright

Price

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