- Processing Talk
- Compare
- P2 20W vs Alpha MK2 20W
Acmer P2 20W vs Algolaser Alpha MK2 20W
What P2 20W does better (3) and where Alpha MK2 20W wins (1) — every spec side by side.
vs
8.2Power & cutting7.7
9.2Work area8.2
6.0Safety4.9
5.0Features & ease of use8.7
Why is P2 20W better than Alpha MK2 20W?
- Work area (surface)3,360 cm² vs 1,640 cm²2×
- Work area depth (Y)800 mm vs 410 mm+95%
- Work area width (X)420 mm vs 400 mm+5%
Why is Alpha MK2 20W better than P2 20W?
- Built-in cameraNo · P2 20W: Yes
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | — | 450 nm |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Work area | ||
| Work area | 420 × 800 mm | 400 × 410 mm |
| Work area width (X) | 420 mm | 400 mm |
| Work area depth (Y) | 800 mm | 410 mm |
| Work area (surface) | 3,360 cm² | 1,640 cm² |
| Work-area extension kit | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | — | 500 mm/s |
| Max cutting depth – wood / plywood (one pass) | 30 mm | — |
| Precision | ||
| Laser spot size | — | 0.16 mm |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | No |
| Emergency stop button | Yes | — |
| Tilt / movement sensor | Yes | — |
| Built-in fume filter / purifier | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | Yes |
| Autofocus / auto height | No | No |
| Rotary attachment support | — | Yes |
| Connectivity & software | ||
| Compatible software | LightBurn | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | — | 650 mm |
| Depth | — | 730 mm |
| Height | — | 240 mm |
| Weight | — | 6.5 kg |









