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Compare LG 34GL750 vs Dell S2522HG vs Dell S2721QS

Connectivity

Ports
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.4
2x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 4x USB 3.2 (Gen1; BC 1.2 2A), 1x USB 3.2 (Gen1; upstream)
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.2

Construction

Adjustment | Height
120 mm / 4.7244 in
130 mm / 5.1181 in
110 mm / 4.3307 in
Adjustment | Pivot
-3° ~ 3°
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
N/A
-45° ~ 45°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black
Silver
Form Factor
Curved monitor
Speakers
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
90.36% screen-to-body ratio
103.61% screen-to-body ratio
89.83% screen-to-body ratio
Size | Depth
3.43 in / 87 mm w/o stand, 11.01 in / 279.7 mm w/ stand
2.69 in / 68.38 mm w/o stand, 7.89 in / 200.3 mm w/ stand
2.18 in / 55.4 mm w/o stand, 6.88 in / 174.7 mm w/ stand
Size | Height
14.35 in / 364.5 mm w/o stand, 22.26 in / 565.3 mm w/ stand
12.88 in / 327.24 mm w/o stand, 14.79 in / 375.75 mm w/ stand
14.35 in / 364.6 mm w/o stand, 15.75 in / 400.1 mm w/ stand
Size | Width
32.28 in / 819.9 mm
21.87 in / 555.4 mm
24.08 in / 611.6 mm
Weight
6.1 kg / 13 lbs w/o stand , 8.3 kg / 18 lbs w/ stand
3.72 kg / 8 lbs w/o stand , 6.13 kg / 13 lbs w/ stand
4.7 kg / 10 lbs w/o stand , 6.4 kg / 14 lbs w/ stand

Display

Aspect Ratio
21:9
16:9
16:9
Brightness
300 nits
400 nits
350 nits / 390 nits (peak)
Contrast Ratio
1000:1 (static)
1000:1 (static)
1300:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits (6 bits + FRC), 16777216 colors
8 bits, 16777216 colors
10 bits, 1073741824 colors
Display Curvature
3800R
Display Diagonal
34" (34 in / 863.6 mm)
25" (21.41 in / 543.744 mm)
27" (26.96 in / 684.7 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
99% sRGB
99% sRGB
99% sRGB
Pixel Density
82 ppi
78 ppi
163 ppi
Pixel Pitch
0.312 mm
0.283 mm
0.155 mm
Refresh Rate
56 Hz ~ 144 Hz
48 Hz ~ 240 Hz
40 Hz ~ 60 Hz
Resolution
UW-FHD (2560x1080)
FHD (1920x1080)
4K (3840x2160)
Response Time
5 ms (min)
1 ms (min)
4 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
HDR10
Licenses
UL (cUL), TUV-Type, CB, FCC-B, CE, CCC (for China), KC, VCCI, ErP, ROHS, REACH, Windows
RoHS
ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light
Operating Humidity
0 % ~ 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
NVIDIA G-SYNC, AMD FreeSync Premium
AMD FreeSync
Video
Crosshair, Flicker-free technology, Low Blue Light, Dynamic Action Sync, Adaptive-Sync Technology, Black Stabilizer
Dell ComfortView, Dark Stabilizer, FPS Counter, Low Blue Light, Flicker-free technology, Timer, Ambient lighting
Flicker-free technology, Low Blue Light, 3-sided bezeless design

Performance

Power Consumption
52 W (average) / 58 W (max) / 0.3 W (sleep) / 0.3 W (off)
17.26 W (average) / 72 W (max) / 16.8 W (eco) / 0.3 W (sleep) / 0.3 W (off)
28 W (average) / 52 W (max) / 24.3 W (eco) / 0.3 W (sleep) / 0.3 W (off)

Production

Accessory
HDMI cable
Debut
2019
2021
2020

Reviews

Neofiliac score
72%
56%
64%
Pros
  • Ultra-wide form factor
  • 3800 curvature
  • Stand with tilt, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • High 90.36 % screen-to-body ratio
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • High 103.61 % screen-to-body ratio
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1300:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
Cons
  • 8-bit display panel
  • No publicized HDR support
  • Low 78 ppi pixel density
  • 8-bit display panel
  • No publicized HDR support

Price

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