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Compare LG 34WP88C vs Dell U3421WE vs Dell U3023E

Connectivity

Ports
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x USB (Type-C; upstream; 96W; DP Alt Mode), 2x USB 3.0 (Type-A; downstream)
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 3.2 (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
130 mm / 5.1181 in
150 mm / 5.9055 in
150 mm / 5.9055 in
Adjustment | Pivot
N/A
N/A
-90° ~ 90°
Adjustment | Swivel
-280° ~ 280°
-30° ~ 30°
-30° ~ 30°
Adjustment | Tilt
-25° ~ 25°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Platinum Silver
Black and Silver
Form Factor
Curved monitor
Curved monitor
Speakers
2x 7W
2x 5W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
92.38% screen-to-body ratio
93.61% screen-to-body ratio
Size | Depth
3.54 in / 90 mm w/o stand, 17.65 in / 448.2 mm w/ stand
9.35 in / 237.4 mm w/ stand
2.09 in / 53 mm w/o stand, 9.06 in / 230 mm w/ stand
Size | Height
14.14 in / 359.1 mm w/o stand, 19.09 in / 484.9 mm w/ stand
15.46 in / 392.8 mm w/ stand
16.48 in / 418.6 mm w/o stand, 18.61 in / 472.7 mm w/ stand
Size | Width
32.05 in / 814 mm
32.02 in / 813.3 mm
25.82 in / 655.9 mm
Weight
6.3 kg / 14 lbs w/o stand , 10.2 kg / 22 lbs w/ stand
7.52 kg / 17 lbs w/o stand , 11.87 kg / 26 lbs w/ stand
6.48 kg / 14 lbs w/o stand , 11.13 kg / 24 lbs w/ stand

Display

Aspect Ratio
21:9
21:9
16:10
Brightness
300 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static)
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
1500R
1900R
Display Diagonal
34" (34.03 in / 864.25 mm)
34" (34.14 in / 867.2 mm)
30" (29.77 in / 756.2 mm)
Display Type
IPS, Anti-glare/Matte (3H), LG Display
AH-IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
95% DCI-P3, 72% NTSC, 99% sRGB
95% DCI-P3, 99% sRGB
95% DCI-P3, 100% sRGB
Pixel Density
110 ppi
109 ppi
101 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.251 mm
Refresh Rate
48 Hz ~ 60 Hz
60 Hz
56 Hz ~ 76 Hz
Resolution
UW-QHD (3440x1440)
UW-QHD (3440x1440)
WQXGA (2560x1600)
Response Time
5 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
Licenses
CE, cUL/UL, Energy Star, FCC-B, J-Moss, RoHS, TUV-Type, VCCI
Energy Star, EPEAT Gold, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified
Energy Star, EPEAT Gold, RoHS, TCO Certified, TCO Edge, TUV Rheinland Low Blue Light Certified (Hardware Solution)
Operating Humidity
10 % ~ 80 %
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
AMD FreeSync
Video
Black Stabilizer, Picture-by-Picture, Color Weakness, Dynamic Action Sync, Super Resolution+, Reader Mode, Dual Controller, Color Calibrated, 3-sided Virtually Borderless Design, Smart Energy Saving, Flicker-free technology, Adaptive-Sync technology, H...
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology
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

Power Consumption
42 W (average) / 160 W (max) / 0.5 W (sleep) / 0.3 W (off)
36 W (average) / 210 W (max) / 0.5 W (sleep) / 0.5 W (off)
26.6 W (average) / 210 W (max) / 0.3 W (sleep) / 0.2 W (off)

Production

Accessory
HDMI 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 Gen 2 Type-A to Type-C cable, USB Gen 2 Type-C PD 3.0 cable
Debut
2021
2020
2022

Reviews

Neofiliac score
87%
77%
83%
Pros
  • Ultra-wide form factor
  • 1500 curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • High 92.38 % screen-to-body ratio
  • Build-in speakers included
  • 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
  • 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
  • No publicized HDR support

Price

Offers (incl. referral links)
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