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Compare Acer Predator X38 vs UltraSharp U3821DW vs Dell UltraSharp U4320Q

Connectivity

Ports
1x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (downstream), 1x USB 3.0 (upstream)
1x USB 3.2 (Type-C; upstream; 90W; DP Alt Mode), 4x USB 3.2 (Type-A; Gen 1; downstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out (line-out for speakers), 1x DisplayPort 1.4, 1x Ethernet RJ45, 1x USB 3.2 (Type-B; Gen 1; upstream), 1x USB 3.2 (Type-C; downstream)
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
130 mm / 5.1181 in
120 mm / 4.7244 in
60 mm / 2.3622 in
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
-30° ~ 30°
-30° ~ 30°
-20° ~ 20°
Adjustment | Tilt
-5° ~ 25°
-5° ~ 21°
-5° ~ 10°
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 7W
2x 9W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
98.38% screen-to-body ratio
91.28% screen-to-body ratio
Size | Depth
4.03 in / 102.4 mm w/o stand, 9.89 in / 251.2 mm w/ stand
2.32 in / 59 mm w/o stand, 9.8 in / 249 mm w/ stand
Size | Height
15.44 in / 392.3 mm w/o stand, 17.47 in / 443.8 mm w/ stand
22.22 in / 564.4 mm w/o stand, 23.43 in / 595.2 mm w/ stand
Size | Width
35.21 in / 894.3 mm
38.08 in / 967.2 mm
Weight
8.8 kg / 19 lbs w/o stand , 13.6 kg / 30 lbs w/ stand
13.2 kg / 29 lbs w/o stand , 17.6 kg / 39 lbs w/ stand

Display

Aspect Ratio
24:10
24:10
16:9
Brightness
450 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static), 5000000:1 (dynamic)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
10 bits, 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
2300R
2300R
Display Diagonal
38" (37.5 in / 952.5 mm)
38" (37.52 in / 952.9 mm)
43" (42.52 in / 1080 mm)
Display Type
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3, 135% sRGB
95% DCI-P3, 100% sRGB
96% sRGB
Pixel Density
110 ppi
109 ppi
103 ppi
Pixel Pitch
0.23 mm
0.229 mm
0.245 mm
Refresh Rate
144 Hz
56 Hz ~ 76 Hz
60 Hz
Resolution
UW4K (3840x1600)
UW4K (3840x1600)
4K (3840x2160)
Response Time
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
DisplayHDR 600
Licenses
ENERGY STAR 8.0, EPEAT Gold, RoHS, TAA Availability, TCO Certified Displays
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
Dark Boost, Flicker-free technology, Nano IPS, Quantum Dot Color, HDCP (High-bandwidth Digital Content Protection), Acer HDR Ultra, ComfyView
Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch
Picture-by-Picture, Picture-in-Picture, Flicker-free technology, Low Blue Light

Performance

Power Consumption
120 W (average) / 1.2 W (sleep) / 0.3 W (off)
36.5 W (average) / 230 W (max) / 0.3 W (sleep) / 0.3 W (off)
75 W (average) / 260 W (max) / 0.5 W (sleep) / 0.5 W (off)

Production

Accessory
DisplayPort cable, HDMI cable
DisplayPort cable, HDMI cable, USB Type-C cable, USB Type-B 3.2 Gen 1 cable
DisplayPort cable, HDMI cable, USB Type-C to Type-C cable, USB Type-C to Type-A cable
Debut
2019
2021
2020

Reviews

Neofiliac score
90%
90%
72%
Pros
  • DisplayHDR 400
  • Ultra-wide form factor
  • 2300R curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • DisplayHDR 600
  • Ultra-wide form factor
  • 2300 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 98.38 % screen-to-body ratio
  • 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
  • No publicized HDR support

Price

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