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  3. G2 50W vs G3 20W

Gweike G2 50W vs Gweike G3 20W

What G2 50W does better (3) and where G3 20W wins (7) — every spec side by side.

Gweike G2 50W
Gweike · 2023G2 50W
6.8Score
3 advantages≈ US$2,500
vs
Gweike G3 20W
Gweike · 2024G3 20W
8.9Score
7 advantages≈ US$2,600
Higher score
5.5Power & cutting4.8
8.6Speed8.6
8.4Precision5.7
3.0Work area6.6
4.7Safety9.4
2.8Features & ease of use9.1
Dimensions

Size comparison

G2 50WG3 20W
260 × 505440526 × 330220
G2 50WG3 20WDifference
Height505 mm330 mm+175 mm
Width260 mm526 mm−266 mm
Depth440 mm220 mm+220 mm
Weight6.5 kg12.2 kg−5.7 kg

Drawn to the same scale from the official dimensions (front and side).

Why is G2 50W better than G3 20W?

  1. Laser output power50 W vs 20 W2.5×
  2. Positioning accuracy0.001 mm vs 0.003 mm3×
  3. Weight6.5 kg vs 12.2 kg+88%

Why is G3 20W better than G2 50W?

  1. Work area (surface)121 cm² vs 289 cm²2.4×
  2. Enclosed (fully covered)No · G2 50W: Yes
  3. Built-in cameraNo · G2 50W: Yes
  4. Autofocus / auto heightNo · G2 50W: Yes
  5. Two laser sourcesNo · G2 50W: Yes
  6. Work area width (X)110 mm vs 170 mm+55%
  7. Work area depth (Y)110 mm vs 170 mm+55%
Specifications

Side by side

Gweike G2 50WGweike G2 50W≈ US$2,5006.8
Gweike G3 20WGweike G3 20W≈ US$2,6008.9
General
Laser sourcesFibre (1064 nm)Fibre (1064 nm), Blue diode (≈455 nm)
Motion systemGalvo (scanning mirrors)Galvo (scanning mirrors)
Two laser sourcesNoYes
Wavelength1,064 nm1,064 nm
Laser power
Laser output power50 W20 W
Work area
Work area110 × 110 mm170 × 170 mm
Work area width (X)110 mm170 mm
Work area depth (Y)110 mm170 mm
Work area (surface)121 cm²289 cm²
Conveyor / roll feeder support—Yes
Speed & cutting
Max engraving / travel speed15,000 mm/s15,000 mm/s
Max cutting depth – wood / plywood (one pass)—23 mm
Max cutting depth – acrylic—20 mm
Precision
Laser spot size—0.1 mm
Positioning accuracy0.001 mm0.003 mm
Safety
Enclosed (fully covered)NoYes
Features
Built-in cameraNoYes
Autofocus / auto heightNoYes
Rotary attachment supportYesYes
Connectivity & software
ConnectionsUSB, BluetoothUSB, Wi-Fi
Wi-Fi—Yes
USBYesYes
BluetoothYes—
Compatible softwareLightBurnLightBurn
LightBurn compatibleYesYes
Size & power
Width260 mm526 mm
Depth440 mm220 mm
Height505 mm330 mm
Weight6.5 kg12.2 kg
Rated power consumption120 W—
Input voltage110–240 V110–240 V
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