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Compare LG 27GN650 vs LG 34GL750 vs ROG Strix XG309CM

Connectivity

Ports
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.4
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.4
1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-C; upstream; 15W)

Construction

Adjustment | Height
110 mm / 4.3307 in
120 mm / 4.7244 in
110 mm / 4.3307 in
Adjustment | Pivot
-90° ~ 90°
-3° ~ 3°
N/A
Adjustment | Swivel
N/A
N/A
-25° ~ 25°
Adjustment | Tilt
-5° ~ 15°
-5° ~ 20°
-5° ~ 20°
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
Speakers
2x 5W
2x 2W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
69.68% screen-to-body ratio
90.36% screen-to-body ratio
88.66% screen-to-body ratio
Size | Depth
2.04 in / 51.7 mm w/o stand, 11.46 in / 291.2 mm w/ stand
3.43 in / 87 mm w/o stand, 11.01 in / 279.7 mm w/ stand
2.91 in / 73.82 mm w/o stand, 10.43 in / 264.93 mm w/ stand
Size | Height
14.36 in / 364.8 mm w/o stand, 18.34 in / 465.9 mm w/ stand
14.35 in / 364.5 mm w/o stand, 22.26 in / 565.3 mm w/ stand
12.63 in / 320.68 mm w/o stand, 19.14 in / 486.14 mm w/ stand
Size | Width
24.18 in / 614.2 mm
32.28 in / 819.9 mm
27.85 in / 707.33 mm
Weight
5.9 kg / 13 lbs w/o stand , 7.2 kg / 16 lbs w/ stand
6.1 kg / 13 lbs w/o stand , 8.3 kg / 18 lbs w/ stand
4.56 kg / 10 lbs w/o stand , 7.5 kg / 17 lbs w/ stand

Display

Aspect Ratio
16:9
21:9
21:9
Brightness
350 nits
300 nits
300 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static), 100000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
8 bits (6 bits + FRC), 16777216 colors
8 bits, 16777216 colors
Display Curvature
3800R
Display Diagonal
27" (26.96 in / 684.667 mm)
34" (34 in / 863.6 mm)
30" (29.5 in / 749.358 mm)
Display Type
AH-IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte
Gamut
99% sRGB
99% sRGB
110% sRGB
Pixel Density
92 ppi
82 ppi
94 ppi
Pixel Pitch
0.274 mm
0.312 mm
0.27 mm
Refresh Rate
48 Hz ~ 144 Hz
56 Hz ~ 144 Hz
40 Hz ~ 220 Hz
Resolution
FHD (1920x1080)
UW-FHD (2560x1080)
UW-FHD (2560x1080)
Response Time
5 ms (min)
5 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
HDR10
HDR10
HDR10
Licenses
BSMI, CCC, CE, cTick, ENERGY STAR 7.0, ErP, FCC Class B, UL/cUL
UL (cUL), TUV-Type, CB, FCC-B, CE, CCC (for China), KC, VCCI, ErP, ROHS, REACH, Windows
BSMI, CB, CCC, CE, CEL level 1, cTick, CU, eStandby, ENERGY STAR, FCC Class B, J-MOSS, KCC, PSE, RCM, RoHS, TÜV Flicker-free, TÜV Low Blue Light, UL/cUL, VCCI, WEEE, WHQL (Windows 10; Windows 8.1; Windows 7)
Operating Humidity
10 % ~ 80 %
0 % ~ 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, AMD FreeSync Premium
NVIDIA G-SYNC
NVIDIA G-SYNC, AMD FreeSync Premium
Video
Smart Energy Saving, Black Stabilizer, Low Blue Light, DDC/CI, Dynamic Action Sync, Reader Mode, Dual Controller, Color Weakness, 3-Side Virtually Borderless Display, Picture-in-Picture, Flicker-free technology, Adaptive-Sync technology, HDR Effect
Crosshair, Flicker-free technology, Low Blue Light, Dynamic Action Sync, Adaptive-Sync Technology, Black Stabilizer
ASUS DisplayWidget, Ultra-Low Blue Light, ASUS Smart Contrast Ratio (ASCR), KVM Switch, Color Accuracy - △EELMB Sync (Extreme Low Motion Blur Sync), Flicker-free technology, Trace Free Technology, Fast IPS technology, Aura Sync Lighting Effect, Adaptiv...

Performance

Power Consumption
43 W (average) / 0.5 W (sleep) / 0.3 W (off)
52 W (average) / 58 W (max) / 0.3 W (sleep) / 0.3 W (off)
28 W (average) / 0.5 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, HDMI cable, USB 3.0 cable, USB Type-C cable
Debut
2020
2019
2021

Reviews

Neofiliac score
56%
72%
70%
Pros
  • Stand with tilt, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • 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
  • 220Hz max refresh rate
  • Ultra-wide form factor
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
Cons
  • 8-bit display panel
  • Low screen-to-body ratio
  • 8-bit display panel
  • 8-bit display panel

Price

Offers (incl. referral links)
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