Compare Asus ROG Strix XG27AQ vs Asus ROG Strix XG249CM vs ROG Strix XG309CM

Connectivity

Ports
2x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
1x USB 3.1 (Type-B; upstream), 1x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.2, 2x USB 3.1 (Type-A; downstream), 1x USB 3.1 (Type-C; upstream; 15W; DP Alt Mode)
1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-C; upstream; 15W)

Construction

Adjustment | Height
100 mm / 3.937 in
100 mm / 3.937 in
110 mm / 4.3307 in
Adjustment | Pivot
-0° ~ 90°
-0° ~ 90°
N/A
Adjustment | Swivel
-25° ~ 25°
-25° ~ 25°
-25° ~ 25°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 20°
-5° ~ 20°
Camera
No
No
No
Colors
Black
Black
Black
Speakers
2x 2W
2x 2W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
89.33% screen-to-body ratio
89.03% screen-to-body ratio
88.66% screen-to-body ratio
Size | Depth
3.23 in / 82 mm w/o stand, 10.04 in / 255 mm w/ stand
2.24 in / 57 mm w/o stand, 9.37 in / 238 mm w/ stand
2.91 in / 73.82 mm w/o stand, 10.43 in / 264.93 mm w/ stand
Size | Height
14.45 in / 367 mm w/o stand, 16.06 in / 408 mm w/ stand
12.8 in / 325 mm w/o stand, 15.28 in / 388 mm w/ stand
12.63 in / 320.68 mm w/o stand, 19.14 in / 486.14 mm w/ stand
Size | Width
24.06 in / 611 mm
21.26 in / 540 mm
27.85 in / 707.33 mm
Weight
50 kg / 110 lbs w/o stand , 8.6 kg / 19 lbs w/ stand
3.2 kg / 7 lbs w/o stand , 6.6 kg / 15 lbs w/ stand
4.56 kg / 10 lbs w/o stand , 7.5 kg / 17 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
21:9
Brightness
400 nits
350 nits
300 nits
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static)
1000:1 (static), 100000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
8 bits, 16777216 colors
Display Diagonal
27" (26.96 in / 684.66 mm)
24" (23.81 in / 604.7 mm)
30" (29.5 in / 749.358 mm)
Display Type
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte
Gamut
95% DCI-P3, 130% sRGB
105% sRGB
110% sRGB
Pixel Density
109 ppi
92 ppi
94 ppi
Pixel Pitch
0.233 mm
0.275 mm
0.27 mm
Refresh Rate
48 Hz ~ 170 Hz
48 Hz ~ 270 Hz
40 Hz ~ 220 Hz
Resolution
QHD (2560x1440)
FHD (1920x1080)
UW-FHD (2560x1080)
Response Time
1 ms (min)
1 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400, HDR10
HDR10
HDR10
Licenses
TUV Flicker-free, TUV Low Blue Light
TUV Flicker-free, TUV Low Blue Light
BSMI, CB, CCC, CE, CEL level 1, cTick, CU, eStandby, ENERGY STAR, FCC Class B, J-MOSS, KCC, PSE, RCM, RoHS, TÜV Flicker-free, TÜV Low Blue Light, UL/cUL, VCCI, WEEE, WHQL (Windows 10; Windows 8.1; Windows 7)
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
NVIDIA G-SYNC, AMD FreeSync Premium
NVIDIA G-SYNC, AMD FreeSync Premium
Video
Color Accuracy, Multi HDR Mode, Shadow Boost, Color Temperature Selection, GameVisual, Dynamic Shadow Boost, Fast IPS, Ultra-Low Blue Light, GameFast Input technology, Trace Free Technology, ELMB (Extreme Low Motion Blur) Sync, Display Widget, Adaptive...
ELMB (Extreme Low Motion Blur), ELMB (Extreme Low Motion Blur) Sync, Flicker-free technology, GameVisual, Shadow Boost, GamePlus, Fast IPS, Ultra-Low Blue Light, HDR Mode, Asus Display Widget, KVM Switch
ASUS DisplayWidget, Ultra-Low Blue Light, ASUS Smart Contrast Ratio (ASCR), KVM Switch, Color Accuracy - △EELMB Sync (Extreme Low Motion Blur Sync), Flicker-free technology, Trace Free Technology, Fast IPS technology, Aura Sync Lighting Effect, Adaptiv...

Performance

Power Consumption
35 W (average) / 0.5 W (sleep) / 0.5 W (off)
22.7 W (average) / 0.5 W (sleep) / 0.3 W (off)
28 W (average) / 0.5 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, HDMI cable, USB 3.0 cable
Color pre-calibration report, HDMI cable, USB 3.0 cable, USB-C cable
DisplayPort cable, HDMI cable, USB 3.0 cable, USB Type-C cable
Debut
2020
2021
2021

Reviews

Neofiliac score
87%
72%
70%
Pros
  • DisplayHDR 400, HDR10
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • 220Hz max refresh rate
  • Ultra-wide form factor
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
Cons
  • 8-bit display panel
  • 8-bit display panel
  • 8-bit display panel

Price

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