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Compare Alienware AW3423DW vs Dell U3421WE vs Dell UltraSharp U4320Q

Connectivity

Ports
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 4x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
4x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps), 1x USB 3.2 (Type-B; Gen 1; upstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode), 1x USB 3.1 (Type-C; downstream; 15W)
1x USB 3.0 (Type-C; 90W; DisplayPort), 1x USB 3.0 (Type-C; downstream; 15W), 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x HDMI 2.0 (CEC), 1x USB 3.0 (BC charging 2A), 2x USB 3.0 (Type-A; downstream)

Construction

Adjustment | Height
110 mm / 4.3307 in
150 mm / 5.9055 in
60 mm / 2.3622 in
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
N/A
-30° ~ 30°
-20° ~ 20°
Adjustment | Tilt
N/A
-5° ~ 21°
-5° ~ 10°
Camera
No
No
No
Colors
White
Platinum Silver
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
91.28% screen-to-body ratio
Size | Depth
9.35 in / 237.4 mm w/ stand
2.32 in / 59 mm w/o stand, 9.8 in / 249 mm w/ stand
Size | Height
15.46 in / 392.8 mm w/ stand
22.22 in / 564.4 mm w/o stand, 23.43 in / 595.2 mm w/ stand
Size | Width
32.02 in / 813.3 mm
38.08 in / 967.2 mm
Weight
7.52 kg / 17 lbs w/o stand , 11.87 kg / 26 lbs w/ stand
13.2 kg / 29 lbs w/o stand , 17.6 kg / 39 lbs w/ stand

Display

Aspect Ratio
21:9
21:9
16:9
Brightness
250 nits / 1000 nits (peak)
300 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
10 bits, 1073741824 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
1800R
1900R
Display Diagonal
34" (34 in / 863.6 mm)
34" (34.14 in / 867.2 mm)
43" (42.52 in / 1080 mm)
Display Type
QD-OLED, Anti-glare/Matte (3H)
AH-IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
99.3% DCI-P3
95% DCI-P3, 99% sRGB
96% sRGB
Pixel Density
109 ppi
109 ppi
103 ppi
Pixel Pitch
0.232 mm
0.233 mm
0.245 mm
Refresh Rate
48 Hz ~ 175 Hz
60 Hz
60 Hz
Resolution
UW-QHD (3440x1440)
UW-QHD (3440x1440)
4K (3840x2160)
Response Time
0.1 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
HDR10, DisplayHDR 400 True Black
Licenses
TUV Rheinland Low Blue Light (Hardware Solution)
Energy Star, EPEAT Gold, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified
BFR-free, CEL, ENERGY STAR 6.0, EPEAT, Mercury-free, NFPA 99, PVC-free, RoHS Compliant
Operating Humidity
10 % ~ 80 %
10 % ~ 90 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
NVIDIA G-SYNC
Video
ComfortView Plus, Flicker-free technology, Quantum Dot Color, Low Blue Light, 5-axis OSD joystick, AlienFX Lighting
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology
Picture-by-Picture, Picture-in-Picture, Flicker-free technology, Low Blue Light

Performance

Power Consumption
36 W (average) / 210 W (max) / 0.5 W (sleep) / 0.5 W (off)
75 W (average) / 260 W (max) / 0.5 W (sleep) / 0.5 W (off)

Production

Accessory
DisplayPort cable, HDMI cable, USB Type-A to Type-B cable, USB Type-C to Type-C cable
DisplayPort cable, HDMI cable, USB Type-C to Type-C cable, USB Type-C to Type-A cable
Debut
2022
2020
2020

Reviews

Neofiliac score
98%
77%
72%
Pros
  • QD-OLED panel
  • HDR10, DisplayHDR 400 True Black
  • Ultra-wide form factor
  • 1800R curvature
  • Fast 0.1 ms response time
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • Ultra-wide form factor
  • 1900 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 91.28 % screen-to-body ratio
Cons
  • Only height adjustment
  • Display panel not very bright
  • No publicized HDR support
  • No publicized HDR support

Price

Offers (incl. referral links)
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