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Compare LG 34GP950G vs Dell U3421WE vs Dell U2721DE

Connectivity

Ports
1x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 3x USB (Type-A; downstream), 1x USB (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 3.1 (Type-C; upstream; DP; 65W), 1x Ethernet RJ45, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4 (Output MST), 1x HDMI 1.4, 2x USB 3.0 (downstream), 2x USB 3.0 (downstream; BC 1.2)

Construction

Adjustment | Height
120 mm / 4.7244 in
150 mm / 5.9055 in
130 mm / 5.1181 in
Adjustment | Pivot
N/A
N/A
-90° ~ 90°
Adjustment | Swivel
N/A
-30° ~ 30°
-40° ~ 40°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
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
90.46% screen-to-body ratio
92.16% screen-to-body ratio
Size | Depth
4.09 in / 104 mm w/o stand, 12.28 in / 312 mm w/ stand
9.35 in / 237.4 mm w/ stand
1.54 in / 39 mm w/o stand, 7.09 in / 180 mm w/ stand
Size | Height
14.21 in / 361 mm w/o stand, 18.31 in / 465 mm w/ stand
15.46 in / 392.8 mm w/ stand
13.98 in / 355 mm w/o stand, 15.36 in / 390.2 mm w/ stand
Size | Width
32.28 in / 820 mm
32.02 in / 813.3 mm
24.1 in / 612.2 mm
Weight
5.5 kg / 12 lbs w/o stand , 7.6 kg / 17 lbs w/ stand
7.52 kg / 17 lbs w/o stand , 11.87 kg / 26 lbs w/ stand
4.19 kg / 9 lbs w/o stand , 6.24 kg / 14 lbs w/ stand

Display

Aspect Ratio
21:9
21:9
16:9
Brightness
600 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static)
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
8 bits, 16777216 colors
Display Curvature
3800R
1900R
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)
AH-IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3
95% DCI-P3, 99% sRGB
89% DCI-P3, 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
56 Hz ~ 76 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 600
Licenses
BSMI, CCC, CE, cTick, ENERGY STAR, ErP, FCC Class B, UL/cUL
Energy Star, EPEAT Gold, RoHS, TCO Certified Displays, TUV Rheinland Flicker Free Certified, TUV Rheinland Low Blue Light Certified
ENERGY STAR, EPEAT, TCO Certified, RoHS, NFPA 99
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
NVIDIA G-SYNC
Video
Color Calibrated, Crosshair, Flicker-free technology, HDR Effect, Sphere Lighting, Game Mode, Dynamic Action Sync, Adaptive-Sync technology, Wide Color Gamut, Low Blue Light, Black Stabilizer, Nano IPS
KVM Switch, Low Blue Light, Picture-in-Picture, Picture-by-Picture, ComfortView, Flicker-free technology
Flicker-free technology, Low Blue Light

Performance

Power Consumption
0.5 W (sleep) / 0.3 W (off)
36 W (average) / 210 W (max) / 0.5 W (sleep) / 0.5 W (off)
33.2 W (average) / 160 W (max) / 19.9 W (eco) / 0.3 W (sleep) / 0.3 W (off)

Production

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

Reviews

Neofiliac score
96%
77%
56%
Pros
  • DisplayHDR 600
  • Ultra-wide form factor
  • 3800 curvature
  • Rich color reproduction
  • Stand with tilt and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Bright 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, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • High 92.16 % screen-to-body ratio
Cons
  • No publicized HDR support
  • No publicized HDR support
  • 8-bit display panel

Price

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