- Processing Talk
- Compare
- PM 30W vs A20 Pro 20W
Acmer PM 30W vs AtomStack A20 Pro 20W
What PM 30W does better (3) and where A20 Pro 20W wins (3) — every spec side by side.
vs
4.0Power & cutting2.7
4.9Speed2.1
7.8Work area9.6
4.7Safety7.3
5.6Features & ease of use2.5
Why is PM 30W better than A20 Pro 20W?
- Max engraving / travel speed10,000 mm/s vs 400 mm/s25×
- Laser output power30 W vs 20 W+50%
- Autofocus / auto heightYes · A20 Pro 20W: No
Why is A20 Pro 20W better than PM 30W?
- Work area (surface)400 cm² vs 1,600 cm²4×
- Work area width (X)200 mm vs 400 mm2×
- Work area depth (Y)200 mm vs 400 mm2×
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 |
| MOPA fibre source (adjustable pulse) | Yes | — |
| Wavelength | — | 1,064 nm |
| Laser power | ||
| Laser output power | 30 W | 20 W |
| Work area | ||
| Work area | 200 × 200 mm | 400 × 400 mm |
| Work area width (X) | 200 mm | 400 mm |
| Work area depth (Y) | 200 mm | 400 mm |
| Work area (surface) | 400 cm² | 1,600 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 10,000 mm/s | 400 mm/s |
| Precision | ||
| Laser spot size | — | 0.06 mm |
| Positioning accuracy | — | 0.01 mm |
| Linear rails | — | Yes |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Tilt / movement sensor | — | Yes |
| Features | ||
| Built-in camera | No | No |
| Autofocus / auto height | Yes | No |
| Rotary attachment support | Yes | — |
| Connectivity & software | ||
| Connections | — | USB |
| USB | — | Yes |
| Compatible software | LightBurn | LightBurn, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 470 mm | — |
| Depth | 350 mm | — |
| Height | 610 mm | — |
| Weight | 23 kg | — |









