- Processing Talk
- Compare
- G3 20W vs G3 30W
Gweike G3 20W vs Gweike G3 30W
What G3 20W does better (0) and where G3 30W wins (1) — every spec side by side.
Dimensions
Size comparison
G3 20WG3 30W
| G3 20W | G3 30W | Difference | |
|---|---|---|---|
| Height | 330 mm | 330 mm | = |
| Width | 526 mm | 526 mm | = |
| Depth | 220 mm | 220 mm | = |
| Weight | 12.2 kg | 12.2 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is G3 20W better than G3 30W?
G3 20W has no measurable advantages in this pair.
Why is G3 30W better than G3 20W?
- Laser output power20 W vs 30 W+50%
Specifications
Side by side
| General | ||
| Laser sources | Fibre (1064 nm), Blue diode (≈455 nm) | Fibre (1064 nm), Blue diode (≈455 nm) |
| Motion system | Galvo (scanning mirrors) | Galvo (scanning mirrors) |
| Two laser sources | Yes | Yes |
| Wavelength | 1,064 nm | 1,064 nm |
| Laser power | ||
| Laser output power | 20 W | 30 W |
| Work area | ||
| Work area | 170 × 170 mm | 170 × 170 mm |
| Work area width (X) | 170 mm | 170 mm |
| Work area depth (Y) | 170 mm | 170 mm |
| Work area (surface) | 289 cm² | 289 cm² |
| Conveyor / roll feeder support | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 15,000 mm/s | 15,000 mm/s |
| Max cutting depth – wood / plywood (one pass) | 23 mm | 23 mm |
| Max cutting depth – acrylic | 20 mm | 20 mm |
| Precision | ||
| Laser spot size | 0.1 mm | 0.1 mm |
| Positioning accuracy | 0.003 mm | 0.003 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Features | ||
| Built-in camera | Yes | Yes |
| Autofocus / auto height | Yes | Yes |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | USB, Wi-Fi |
| Wi-Fi | Yes | Yes |
| USB | Yes | Yes |
| Compatible software | LightBurn | LightBurn |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 526 mm | 526 mm |
| Depth | 220 mm | 220 mm |
| Height | 330 mm | 330 mm |
| Weight | 12.2 kg | 12.2 kg |
| Input voltage | 110–240 V | 110–240 V |









