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- Compare
- Alpha MK2 20W vs Atelier
Algolaser Alpha MK2 20W vs AtomStack Atelier
What Alpha MK2 20W does better (5) and where Atelier wins (3) — every spec side by side.
vs
7.7Power & cutting6.7
2.8Precision7.6
8.2Work area3.4
4.9Safety9.0
8.7Features & ease of use6.6
Dimensions
Size comparison
Alpha MK2 20WAtelier
| Alpha MK2 20W | Atelier | Difference | |
|---|---|---|---|
| Height | 240 mm | 350 mm | −110 mm |
| Width | 650 mm | 196 mm | +454 mm |
| Depth | 730 mm | 201 mm | +529 mm |
| Weight | 6.5 kg | 3.5 kg | +3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Alpha MK2 20W better than Atelier?
- Work area (surface)1,640 cm² vs 144 cm²11.4×
- Laser output power20 W vs 12 W+67%
- Air assistYes · Atelier: No
- Work area width (X)400 mm vs 120 mm3.3×
- Work area depth (Y)410 mm vs 120 mm3.4×
Why is Atelier better than Alpha MK2 20W?
- Enclosed (fully covered)No · Alpha MK2 20W: Yes
- Flame / fire detectionNo · Alpha MK2 20W: Yes
- Weight6.5 kg vs 3.5 kg+86%
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 | 12 W |
| Work area | ||
| Work area | 400 × 410 mm | 120 × 120 mm |
| Work area width (X) | 400 mm | 120 mm |
| Work area depth (Y) | 410 mm | 120 mm |
| Work area (surface) | 1,640 cm² | 144 cm² |
| Conveyor / roll feeder support | — | Yes |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 500 mm/s | — |
| Precision | ||
| Laser spot size | 0.16 mm | — |
| Positioning accuracy | — | 0.01 mm |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | Yes |
| Tilt / movement sensor | — | Yes |
| Built-in fume filter / purifier | Yes | — |
| Exhaust fan | — | Yes |
| Laser shield / filter cover | — | Yes |
| Features | ||
| Air assist | Yes | No |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | — | USB, Wi-Fi |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| Phone app control | — | Yes |
| Compatible software | LightBurn, LaserGRBL | LightBurn, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 650 mm | 196 mm |
| Depth | 730 mm | 201 mm |
| Height | 240 mm | 350 mm |
| Weight | 6.5 kg | 3.5 kg |
