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Compare ASUS Strix XG279Q vs Asus ROG Strix XG349C vs Sceptre C355W-3440UN

Connectivity

Ports
2x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 2x USB 3.0 (downstream), 1x USB 3.0 (upstream)
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)
1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 1x HDMI 1.4, 2x HDMI 2.0

Construction

Adjustment | Height
120 mm / 4.7244 in
100 mm / 3.937 in
N/A
Adjustment | Pivot
-0° ~ 90°
N/A
N/A
Adjustment | Swivel
-40° ~ 40°
-25° ~ 25°
N/A
Adjustment | Tilt
-5° ~ 20°
-5° ~ 20°
-5° ~ 15°
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
Curved monitor
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
89.77% screen-to-body ratio
89.63% screen-to-body ratio
Size | Depth
3.23 in / 82 mm w/o stand, 10.63 in / 270 mm w/ stand
5.59 in / 142 mm w/o stand, 10.98 in / 279 mm w/ stand
4.82 in / 122.43 mm w/o stand, 9.68 in / 245.87 mm w/ stand
Size | Height
14.45 in / 367 mm w/o stand, 16.22 in / 412 mm w/ stand
14.41 in / 366 mm w/o stand, 16.18 in / 411 mm w/ stand
14.87 in / 377.7 mm w/o stand, 19.04 in / 483.62 mm w/ stand
Size | Width
24.06 in / 611 mm
32.09 in / 815 mm
32.96 in / 837.18 mm
Weight
4 kg / 9 lbs w/o stand , 7 kg / 15 lbs w/ stand
5.6 kg / 12 lbs w/o stand , 9.2 kg / 20 lbs w/ stand
6.62 kg / 15 lbs w/o stand , 8.6 kg / 19 lbs w/ stand

Display

Aspect Ratio
16:9
21:9
21:9
Brightness
400 nits
400 nits
320 nits
Contrast Ratio
1000:1 (static)
1000:1 (static), 100000000:1 (dynamic)
3000:1 (static), 1000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
8 bits, 16777216 colors
8 bits, 16777216 colors
Display Curvature
1900R
1800R
Display Diagonal
27" (26.96 in / 684.7 mm)
34" (34 in / 863.6 mm)
35" (35 in / 889 mm)
Display Type
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte (3H)
VA, Anti-glare/Matte (3H)
Gamut
95% DCI-P3, 125% sRGB
98% DCI-P3, 135% sRGB
95% sRGB
Pixel Density
109 ppi
109 ppi
106 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.238 mm
Refresh Rate
23 Hz ~ 170 Hz
48 Hz ~ 180 Hz
48 Hz ~ 100 Hz
Resolution
QHD (2560x1440)
UW-QHD (3440x1440)
UW-QHD (3440x1440)
Response Time
1 ms (min)
1 ms (min)
4 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400
DisplayHDR 400, HDR, HDR10
Licenses
BSMI, cCSAus, FCC, CE, CCC, EPA, China RoHS, Win7
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)
cTUVus, FCC, ISTA
Operating Humidity
10 % ~ 80 %
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
NVIDIA G-SYNC, AMD FreeSync
Video
Asus FastIPS, Aura Sync, Low Blue Light, Flicker-free technology, GameFast Input technology, HDCP (High-bandwidth Digital Content Protection), ELMB (Extreme Low Motion Blur), 5-way OSD joystick, Shadow Boost, GamePlus, Adaptive-Sync Technology, GameVisual
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...
Blue Light Shield, Auto Dynamic Contrast Mode

Performance

Power Consumption
20 W (average) / 90 W (max) / 0.5 W (sleep) / 0.5 W (off)
40 W (average) / 0.5 W (sleep) / 0.3 W (off)
60 W (average) / 70 W (max) / 0.5 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable - optional, HDMI cable - optional, USB cable
Color pre-calibration report, DisplayPort cable, HDMI cable, USB Type-B to A cable, USB Type-C cable
DisplayPort cable
Debut
2019
2021
2020

Reviews

Neofiliac score
87%
87%
41%
Pros
  • DisplayHDR 400
  • 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
  • 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
  • Ultra-wide form factor
  • 1800R curvature
  • High 3000:1 contrast ratio
  • Support for NVIDIA G-SYNC
Cons
  • 8-bit display panel
  • 8-bit display panel
  • No publicized HDR support
  • Only tilt adjustment
  • 8-bit display panel

Price

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