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Compare LG 27GN650 vs Alienware AW5520QF vs Alienware AW2721D

Connectivity

Ports
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.4
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 (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
110 mm / 4.3307 in
N/A
130 mm / 5.1181 in
Adjustment | Pivot
-90° ~ 90°
N/A
-90° ~ 90°
Adjustment | Swivel
N/A
N/A
-20° ~ 20°
Adjustment | Tilt
-5° ~ 15°
N/A
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black, Silver
Black
Speakers
2x 5W
2x 14W
VESA Mount
100 x 100 mm
200 x 200 mm
100 x 100 mm

Dimensions

Bezels
69.68% screen-to-body ratio
93.61% screen-to-body ratio
92.6% screen-to-body ratio
Size | Depth
2.04 in / 51.7 mm w/o stand, 11.46 in / 291.2 mm w/ stand
3.16 in / 80.3 mm w/o stand, 10.39 in / 263.91 mm w/ stand
3.24 in / 82.4 mm w/o stand, 9.92 in / 251.9 mm w/ stand
Size | Height
14.36 in / 364.8 mm w/o stand, 18.34 in / 465.9 mm w/ stand
28.24 in / 717.2 mm w/o stand, 30.34 in / 770.6 mm w/ stand
14.02 in / 356 mm w/o stand, 17.44 in / 443.1 mm w/ stand
Size | Width
24.18 in / 614.2 mm
48.26 in / 1225.9 mm
23.93 in / 607.7 mm
Weight
5.9 kg / 13 lbs w/o stand , 7.2 kg / 16 lbs w/ stand
25.5 kg / 56 lbs w/o stand , 26.1 kg / 57 lbs w/ 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
350 nits
130 nits / 400 nits (peak)
450 nits / 600 nits (peak)
Contrast Ratio
1000:1 (static)
130000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
27" (26.96 in / 684.667 mm)
55" (54.64 in / 1387.8 mm)
27" (26.96 in / 684.667 mm)
Display Type
AH-IPS, Anti-glare/Matte (3H)
OLED, Anti-glare/Matte (2H)
IPS, Anti-glare/Matte (3H)
Gamut
99% sRGB
98.5% DCI-P3
98% DCI-P3, 131.3% sRGB
Input Lag
3 ms
Pixel Density
92 ppi
80 ppi
109 ppi
Pixel Pitch
0.274 mm
0.315 mm
0.233 mm
Refresh Rate
48 Hz ~ 144 Hz
40 Hz ~ 120 Hz
1 Hz ~ 240 Hz
Resolution
FHD (1920x1080)
4K (3840x2160)
QHD (2560x1440)
Response Time
5 ms (min)
0.5 ms (min)
1 ms (min) / 3 ms (avg)
Viewing Angle
178° H / 178° V
120° H / 120° V
178° H / 178° V

Function

HDR
HDR10
DisplayHDR 600
Licenses
BSMI, CCC, CE, cTick, ENERGY STAR 7.0, ErP, FCC Class B, UL/cUL
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
NVIDIA G-SYNC, AMD FreeSync Premium
AMD FreeSync
NVIDIA G-SYNC
Video
Smart Energy Saving, Black Stabilizer, Low Blue Light, DDC/CI, Dynamic Action Sync, Reader Mode, Dual Controller, Color Weakness, 3-Side Virtually Borderless Display, Picture-in-Picture, Flicker-free technology, Adaptive-Sync technology, HDR Effect
ComfortView, Flicker-free technology, Nano IPS, Picture-by-Picture, Low Blue Light, AlienFX Lighting, Picture-in-Picture, Ambient Light Sensor

Performance

Power Consumption
43 W (average) / 0.5 W (sleep) / 0.3 W (off)
100 W (average) / 390 W (max) / 84.75 W (eco) / 0.5 W (sleep) / 0.3 W (off)
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, Mini-DisplayPort to DisplayPort Cable, USB Type-B 3.2 Gen 1 cable
Debut
2020
2019
2020

Reviews

Neofiliac score
56%
64%
94%
Pros
  • Stand with tilt, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • 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 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
  • 8-bit display panel
  • Low screen-to-body ratio
  • No publicized HDR support
  • Stand lacks ergonomic adjustment
  • Display panel not very bright

Price

Offers (incl. referral links)
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