- Processing Talk
- Compare
- Alpha MK2 20W vs MK3 15W
Algolaser Alpha MK2 20W vs Algolaser MK3 15W
What Alpha MK2 20W does better (1) and where MK3 15W wins (0) — every spec side by side.
vs
7.7Power & cutting7.0
4.9Safety4.9
8.7Features & ease of use8.2
Why is Alpha MK2 20W better than MK3 15W?
- Laser output power20 W vs 15 W+33%
Why is MK3 15W better than Alpha MK2 20W?
MK3 15W has no measurable advantages in this pair.
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 | 15 W |
| Work area | ||
| Work area | 400 × 410 mm | — |
| Work area width (X) | 400 mm | — |
| Work area depth (Y) | 410 mm | — |
| Work area (surface) | 1,640 cm² | — |
| Work-area extension kit | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 500 mm/s | — |
| Precision | ||
| Laser spot size | 0.16 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | No |
| Built-in fume filter / purifier | Yes | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Touchscreen / control panel | — | Yes |
| Connectivity & software | ||
| Compatible software | LightBurn, LaserGRBL | LightBurn |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 650 mm | — |
| Depth | 730 mm | — |
| Height | 240 mm | — |
| Weight | 6.5 kg | — |









