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Compare Asus ROG Strix XG27UQ vs Acer XR343CK vs ROG Strix XG309CM

Connectivity

Ports
2x HDMI 2.0, 2x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (downstream), 1x USB 3.0 (Type-B; upstream)
1x USB 3.0 (Type-C; Gen 1; 65W; DP Alt Mode), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 2x DisplayPort 1.4, 4x USB 3.0 (Type-A; Gen 1; downstream), 1x USB 3.0 (Type-B; upstream)
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
120 mm / 4.7244 in
130 mm / 5.1181 in
110 mm / 4.3307 in
Adjustment | Pivot
-0° ~ 90°
N/A
N/A
Adjustment | Swivel
-40° ~ 40°
-30° ~ 30°
-25° ~ 25°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 35°
-5° ~ 20°
Camera
No
No
No
Colors
Black
Silver
Black
Form Factor
Curved monitor
Speakers
2x 7W
2x 2W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
82.79% screen-to-body ratio
89.22% screen-to-body ratio
88.66% screen-to-body ratio
Size | Depth
3.71 in / 94.3 mm w/o stand, 10.61 in / 269.546 mm w/ stand
4.91 in / 124.7 mm w/o stand, 12.17 in / 309.1 mm w/ stand
2.91 in / 73.82 mm w/o stand, 10.43 in / 264.93 mm w/ stand
Size | Height
15 in / 381.1 mm w/o stand, 17.19 in / 436.5 mm w/ stand
14.48 in / 367.7 mm w/o stand, 17.15 in / 435.5 mm w/ stand
12.63 in / 320.68 mm w/o stand, 19.14 in / 486.14 mm w/ stand
Size | Width
24.95 in / 633.64 mm
32.13 in / 816.2 mm
27.85 in / 707.33 mm
Weight
7.5 kg / 17 lbs w/ stand
4.56 kg / 10 lbs w/o stand , 7.5 kg / 17 lbs w/ stand

Display

Aspect Ratio
16:9
21:9
21:9
Brightness
350 nits / 400 nits (peak)
400 nits / 550 nits (peak)
300 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static), 100000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits (8 bits + FRC), 1073741824 colors
8 bits, 16777216 colors
Display Curvature
1900R
Display Diagonal
27" (26.95 in / 684.47 mm)
34" (34 in / 863.6 mm)
30" (29.5 in / 749.358 mm)
Display Type
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte
Gamut
90% DCI-P3
98% DCI-P3
110% sRGB
Pixel Density
163 ppi
109 ppi
94 ppi
Pixel Pitch
0.155 mm
0.233 mm
0.27 mm
Refresh Rate
48 Hz ~ 144 Hz
48 Hz ~ 180 Hz
40 Hz ~ 220 Hz
Resolution
4K (3840x2160)
UW-QHD (3440x1440)
UW-FHD (2560x1080)
Response Time
4 ms (min)
1 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400
DisplayHDR 400
HDR10
Licenses
BSMI, CB, CCC, CE, CEC, CEL, CU, ErP, E-Standby, FCC, ICES-3, J-MOSS, KCC, PSE, RCM, RoHS, TUV-Flicker Free, TUV-Low Blue Light, UkrSEPRO, UL/cUL, VCCI, WEEE, Windows 7 WHQL, Windows 8.1 WHQL, Windows 10 WHQL
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
Variable Framerate
NVIDIA G-SYNC
NVIDIA G-SYNC, AMD FreeSync
NVIDIA G-SYNC, AMD FreeSync Premium
Video
Color Accuracy, Display Widget, Low Blue Light, Flicker-free technology, GamePlus, VESA DSC (Display Stream Compression), HDCP (High-bandwidth Digital Content Protection), ELMB (Extreme Low Motion Blur), Adaptive-Sync technology, Shadow Boost, GameVisu...
Flicker-free technology, Low Blue Light, Picture-in-Picture, Picture-by-Picture, Nano IPS technology, Adaptive-Sync technology
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
90 W (max) / 0.5 W (sleep) / 0.5 W (off)
80 W (average)
28 W (average) / 0.5 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable - optional, HDMI cable - optional, USB 3.0 cable, Acrylic LED light covers
DisplayPort cable, USB Type-C cable
DisplayPort cable, HDMI cable, USB 3.0 cable, USB Type-C cable
Debut
2020
2020
2021

Reviews

Neofiliac score
83%
93%
70%
Pros
  • DisplayHDR 400
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • DisplayHDR 400
  • Ultra-wide form factor
  • 1900R curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • 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

Price

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