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Compare Asus ROG Strix XG349C vs Dell P3421W vs Dell P2720DC

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)
2x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps), 1x USB 3.2 (Type-B; Gen 1; upstream), 1x DisplayPort 1.2, 1x HDMI 2.0, 2x USB 2.0 (Type-A; downstream), 1x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
1x USB 3.1 (Type-C; DisplayPort; 65W), 1x HDMI 1.4, 1x DisplayPort 1.2 (in), 1x DisplayPort 1.2 (out), 2x USB 2.0 (downstream), 2x USB 3.0 (downstream)

Construction

Adjustment | Height
100 mm / 3.937 in
150 mm / 5.9055 in
130 mm / 5.1181 in
Adjustment | Pivot
N/A
-4° ~ 4°
-90° ~ 90°
Adjustment | Swivel
-25° ~ 25°
-30° ~ 30°
-45° ~ 45°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black and Silver
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 2W
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
89.77% screen-to-body ratio
89.95% screen-to-body ratio
Size | Depth
5.59 in / 142 mm w/o stand, 10.98 in / 279 mm w/ stand
9.35 in / 237.4 mm w/ stand
1.72 in / 43.6 mm w/o stand, 7.28 in / 185 mm w/ stand
Size | Height
14.41 in / 366 mm w/o stand, 16.18 in / 411 mm w/ stand
15.4 in / 391.1 mm w/ stand
14.33 in / 364.1 mm w/o stand, 15.56 in / 395.3 mm w/ stand
Size | Width
32.09 in / 815 mm
32.11 in / 815.7 mm
24.08 in / 611.6 mm
Weight
5.6 kg / 12 lbs w/o stand , 9.2 kg / 20 lbs w/ stand
6.7 kg / 15 lbs w/o stand
4.97 kg / 11 lbs w/o stand , 7.27 kg / 16 lbs w/ stand

Display

Aspect Ratio
21:9
21:9
16:9
Brightness
400 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
8 bits, 16777216 colors
Display Curvature
1900R
3800R
Display Diagonal
34" (34 in / 863.6 mm)
34" (34.14 in / 867.2 mm)
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3, 135% sRGB
99% sRGB
99% sRGB
Pixel Density
109 ppi
109 ppi
109 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.233 mm
Refresh Rate
48 Hz ~ 180 Hz
60 Hz
49 Hz ~ 75 Hz
Resolution
UW-QHD (3440x1440)
UW-QHD (3440x1440)
QHD (2560x1440)
Response Time
1 ms (min)
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400, HDR, HDR10
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)
Energy Star, EPEAT, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified
EnergyStar, EPEAT, TCO-certified, RoHS, BFR/PVC free, NFPA 99
Operating Humidity
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
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...
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology
Dell Express Daisy Chaining, Always On power delivery, Flicker-free technology, Low Blue Light

Performance

Power Consumption
40 W (average) / 0.5 W (sleep) / 0.3 W (off)
32.75 W (average) / 126 W (max) / 0.3 W (sleep) / 0.3 W (off)
24 W (average) / 130 W (max) / 19.2 W (eco) / 0.3 W (sleep) / 0.3 W (off)

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 Type-A to Type-B cable, USB Type-C to Type-C cable
DisplayPort cable, USB Type-C cable
Debut
2021
2020
2019

Reviews

Neofiliac score
87%
64%
50%
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
  • Ultra-wide form factor
  • 3800 curvature
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Integrated USB-C hub
Cons
  • 8-bit display panel
  • No publicized HDR support
  • No publicized HDR support
  • 8-bit display panel

Price

Offers (incl. referral links)
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