- Processing Talk
- Compare
- A20 Pro 20W vs G2 Pro 30W
AtomStack A20 Pro 20W vs Gweike G2 Pro 30W
What A20 Pro 20W does better (3) and where G2 Pro 30W wins (4) — every spec side by side.
vs
2.7Power & cutting4.0
2.1Speed8.6
6.7Precision8.4
9.6Work area3.0
7.3Safety8.6
2.5Features & ease of use2.5
Why is A20 Pro 20W better than G2 Pro 30W?
- Work area (surface)1,600 cm² vs 121 cm²13.2×
- Work area width (X)400 mm vs 110 mm3.6×
- Work area depth (Y)400 mm vs 110 mm3.6×
Why is G2 Pro 30W better than A20 Pro 20W?
- Max engraving / travel speed400 mm/s vs 15,000 mm/s37.5×
- Enclosed (fully covered)No · A20 Pro 20W: Yes
- Laser output power20 W vs 30 W+50%
- Positioning accuracy0.01 mm vs 0.001 mm10×
Specifications
Side by side
| General | ||
| Laser sources | Fibre (1064 nm) | Fibre (1064 nm) |
| Motion system | Galvo (scanning mirrors) | Galvo (scanning mirrors) |
| Two laser sources | No | No |
| Wavelength | 1,064 nm | 1,064 nm |
| Laser power | ||
| Laser output power | 20 W | 30 W |
| Work area | ||
| Work area | 400 × 400 mm | 110 × 110 mm |
| Work area width (X) | 400 mm | 110 mm |
| Work area depth (Y) | 400 mm | 110 mm |
| Work area (surface) | 1,600 cm² | 121 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 400 mm/s | 15,000 mm/s |
| Precision | ||
| Laser spot size | 0.06 mm | — |
| Positioning accuracy | 0.01 mm | 0.001 mm |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Emergency stop button | — | Yes |
| Tilt / movement sensor | Yes | — |
| Laser shield / filter cover | — | Yes |
| Features | ||
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Connectivity & software | ||
| Connections | USB | USB, Bluetooth |
| USB | Yes | Yes |
| Bluetooth | — | Yes |
| Compatible software | LightBurn, AtomStack Studio | LightBurn |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | — | 260 mm |
| Depth | — | 440 mm |
| Height | — | 505 mm |
| Weight | — | 6.5 kg |
| Rated power consumption | — | 120 W |
| Input voltage | — | 110–240 V |









