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Compare Acer CB382CUR vs UltraSharp U3821DW vs Dell U3023E

Connectivity

Ports
1x USB 3.1 (Type-C; upstream; 90W; DP Alt Mode), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.2 (in), 4x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; 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 3.2 (Type-C; Gen 2; 10 Gbps upstream; 90W; Dp Alt Mode), 1x USB 3.2 (Type-C; Gen 2; upstream), 1x HDMI 1.4, 1x DisplayPort 1.4 (DSC), 1x DisplayPort 1.4 (out with MST), 1x Ethernet RJ45 (MAC Address pass-through; PXE Boot; Wake-on-LAN), 4x USB 3...

Construction

Adjustment | Height
150 mm / 5.9055 in
120 mm / 4.7244 in
150 mm / 5.9055 in
Adjustment | Pivot
N/A
N/A
-90° ~ 90°
Adjustment | Swivel
-180° ~ 180°
-30° ~ 30°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 35°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Silver
Black
Black and Silver
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
90.25% screen-to-body ratio
98.38% screen-to-body ratio
93.61% screen-to-body ratio
Size | Depth
4.98 in / 126.6 mm w/o stand, 10.59 in / 269 mm w/ stand
4.03 in / 102.4 mm w/o stand, 9.89 in / 251.2 mm w/ stand
2.09 in / 53 mm w/o stand, 9.06 in / 230 mm w/ stand
Size | Height
15.8 in / 401.2 mm w/o stand, 17.58 in / 446.5 mm w/ stand
15.44 in / 392.3 mm w/o stand, 17.47 in / 443.8 mm w/ stand
16.48 in / 418.6 mm w/o stand, 18.61 in / 472.7 mm w/ stand
Size | Width
35.31 in / 896.9 mm
35.21 in / 894.3 mm
25.82 in / 655.9 mm
Weight
10.06 kg / 22 lbs w/o stand , 13.95 kg / 31 lbs w/ stand
8.8 kg / 19 lbs w/o stand , 13.6 kg / 30 lbs w/ stand
6.48 kg / 14 lbs w/o stand , 11.13 kg / 24 lbs w/ stand

Display

Aspect Ratio
24:10
24:10
16:10
Brightness
300 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static)
1000:1 (static), 2000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
10 bits, 1073741824 colors
10 bits, 1073741824 colors
Display Curvature
1900R
2300R
Display Diagonal
38" (37.5 in / 952.5 mm)
38" (37.52 in / 952.9 mm)
30" (29.77 in / 756.2 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
95% DCI-P3, 100% sRGB
95% DCI-P3, 100% sRGB
95% DCI-P3, 100% sRGB
Pixel Density
110 ppi
109 ppi
101 ppi
Pixel Pitch
0.23 mm
0.229 mm
0.251 mm
Refresh Rate
48 Hz ~ 75 Hz
56 Hz ~ 76 Hz
56 Hz ~ 76 Hz
Resolution
UW4K (3840x1600)
UW4K (3840x1600)
WQXGA (2560x1600)
Response Time
5 ms (min) / 8 ms (avg)
5 ms (min) / 8 ms (avg)
Viewing Angle
172° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
HDR10
DisplayHDR 600
Licenses
CCC, CE, EAC, EnergyStar, EPEAT, FCC, ISO 0241-307, MPR II, RoHS, TCO Certified Displays 8.0, VCCI
ENERGY STAR 8.0, EPEAT Gold, RoHS, TAA Availability, TCO Certified Displays
Energy Star, EPEAT Gold, RoHS, TCO Certified, TCO Edge, TUV Rheinland Low Blue Light Certified (Hardware Solution)
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
AMD FreeSync
Video
Blue Light Filter, Flicker-free technology, KVM Switch, Picture-in-Picture, Picture-by-Picture, HDR Ready, 6-axis color adjustment, ZeroFrame Design
Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch
Display Stream Compression (DSC), Flicker-free technology, Low Blue Light, Picture-in-Picture, Picture-by-Picture, KVM Switch, ComfortView Plus, Dell Display Manager (DDM) Compatibility

Performance

Energy Efficiency
G
Power Consumption
42 W (average) / 65 W (max) / 0.5 W (sleep) / 0.3 W (off)
36.5 W (average) / 230 W (max) / 0.3 W (sleep) / 0.3 W (off)
26.6 W (average) / 210 W (max) / 0.3 W (sleep) / 0.2 W (off)

Production

Accessory
DisplayPort cable (optional), HDMI cable (optional), USB 3.1 Type-C cable (optional), USB Type-A to Type-B cable (optional)
DisplayPort cable, HDMI cable, USB Type-C cable, USB Type-B 3.2 Gen 1 cable
DisplayPort cable, USB Gen 2 Type-A to Type-C cable, USB Gen 2 Type-C PD 3.0 cable
Debut
2021
2021
2022

Reviews

Neofiliac score
87%
90%
83%
Pros
  • Ultra-wide form factor
  • 1900R curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 90.25 % screen-to-body ratio
  • 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
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 93.61 % screen-to-body ratio
  • USB-C hub
Cons
  • No publicized HDR support

Price

Offers (incl. referral links)
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