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Compare Asus ROG Strix XG349C vs ASUS ROG Swift PG279QM vs Asus PA27UCX

Variants
Monitor only
W/ Colorimeter

Connectivity

Ports
1x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x USB 3.0 (Type-C; upstream; 18W; DP Alt Mode), 2x USB 3.0 (Type-A; downstream)
3x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
1x USB-C + 4x USB 3.0 + 2x HDMI 2.0 + 1x DisplayPort 1.2 + 1x Headphone

Construction

Adjustment | Height
100 mm / 3.937 in
100 mm / 3.937 in
Adjustment | Pivot
N/A
-0° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-25° ~ 25°
-25° ~ 25°
-60° ~ 60°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 20°
-5° ~ 23°
Camera
No
No
Colors
Black
Black
Form Factor
Curved monitor
Speakers
2x 2W
2x 2W
2x 2W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
89.77% screen-to-body ratio
4660.4% screen-to-body ratio
Size | Depth
5.59 in / 142 mm w/o stand, 10.98 in / 279 mm w/ stand
3.54 in / 90 mm w/o stand, 10.04 in / 255 mm w/ stand
367.2 mm w/o stand
Size | Height
14.41 in / 366 mm w/o stand, 16.18 in / 411 mm w/ stand
0.28 in / 7 mm w/o stand, 16.06 in / 408 mm w/ stand
91.3 mm w/o stand
Size | Width
32.09 in / 815 mm
24.17 in / 614 mm
625.2 mm
Weight
5.6 kg / 12 lbs w/o stand , 9.2 kg / 20 lbs w/ stand
4.5 kg / 10 lbs w/o stand , 8.1 kg / 18 lbs w/ stand
7.6 kg w/o stand

Display

Aspect Ratio
21:9
16:9
16:9
Brightness
400 nits
350 nits / 400 nits (peak)
300 nits (typical) / 1000 nits (HDR, peak)
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static)
1000:1 (typical) / 1000000:1 (HDR, max)
Display Backlight
W-LED
W-LED
Full-Array LED (Mini-LED) w/ 576-zone local dimming
Display Color Depth
8 bits, 16777216 colors
8 bits, 16777216 colors
1073.7M (10-bit)
Display Curvature
1900R
Display Diagonal
34" (34 in / 863.6 mm)
27" (27 in / 685.8 mm)
27 inch
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte
IPS matte w/ Quantum-dot technology
Gamut
98% DCI-P3, 135% sRGB
97% DCI-P3, 150% sRGB
99.5% Adobe RGB, 97% DCI-P3, 100% sRGB, 83% Rec. 2020
Pixel Density
109 ppi
109 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.155 mm
Refresh Rate
48 Hz ~ 180 Hz
1 Hz ~ 240 Hz
60 Hz
Resolution
UW-QHD (3440x1440)
QHD (2560x1440)
4K UHD (3840x2160)
Response Time
1 ms (min)
1 ms (min)
4 ms (gray to gray)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° (H) / 178° (V)

Function

HDR
DisplayHDR 400, HDR, HDR10
DisplayHDR 400, HDR10
HDR10, HLG, Dolby Vision, VESA DisplayHDR 1000
Licenses
BSMI, CB, CCC, CE, CEL level 1, cTick, CU, ErP, ENERGY STAR, FCC Class B, J-MOSS, KCC, PSE, RCM, RoHS, TÜV Low Blue Light, TÜV Flicker-free, UL/cUL, VCI, WEEE, WHQL (Windows 10; Windows 8.1; Windows 7)
TÜV Low Blue Light, TÜV Flicker-free
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
Adaptive-Sync, 48 ~ 75 Hz
Video
Color Temperature Selection, Shadow Boost, Picture-in-Picture, Trace Free Technology, DisplayWidget, GameVisual, Extreme Low Motion Blur Sync (ELMB Sync), Flicker-free technology, Picture-by-Picture, Gamma adjustment, Ultra-low Blue Light, Fast IPS, Ex...
Dark Boost, Fast IPS, Ultra Low Blue Light, GamePlus (Stopwatch/Crosshair/Timer/FPS Counter/Display Alignment), GameVisual, Flicker-free technology, Asus Aura Sync Lighting, NVIDIA Reflex Latency Analyzer, Customized heatsink, Trace Free Technology

Performance

Energy Efficiency
C
Power Consumption
40 W (average) / 0.5 W (sleep) / 0.3 W (off)
42 W (average) / 0.5 W (sleep) / 0.5 W (off)
46 W
Power Supply
60 W Power Deliver via USB-C

Production

Accessory
Color pre-calibration report, DisplayPort cable, HDMI cable, USB Type-B to A cable, USB Type-C cable
DisplayPort cable, HDMI cable, USB 3.0 cable
Debut
2021
2021
2019

Reviews

Neofiliac score
87%
90%
96%
Pros
  • DisplayHDR 400, HDR, HDR10
  • 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
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • 180Hz r
  • 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
  • High 4660.4 % screen-to-body ratio
  • Build-in speakers included
  • Mini LED backlighting
  • Full-Array LED local dimming
  • HDR10, HLG (Hybrid Log Gamma), Dolby Vision, DisplayHDR 1000
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
Cons
  • 8-bit display panel
  • 8-bit display panel

Price

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