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- Alpha MK2 20W vs A20 Pro V2
Algolaser Alpha MK2 20W vs AtomStack A20 Pro V2
What Alpha MK2 20W does better (4) and where A20 Pro V2 wins (3) — every spec side by side.
vs
7.7Power & cutting7.3
6.9Speed6.1
2.8Precision4.7
8.2Work area6.5
4.9Safety6.4
8.7Features & ease of use7.4
Dimensions
Size comparison
Alpha MK2 20WA20 Pro V2
| Alpha MK2 20W | A20 Pro V2 | Difference | |
|---|---|---|---|
| Height | 240 mm | 178 mm | +62 mm |
| Width | 650 mm | 178 mm | +472 mm |
| Depth | 730 mm | 254 mm | +476 mm |
| Weight | 6.5 kg | 6 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Alpha MK2 20W better than A20 Pro V2?
- Built-in cameraYes · A20 Pro V2: No
- Work area (surface)1,640 cm² vs 1,460 cm²+12%
- Max engraving / travel speed500 mm/s vs 400 mm/s+25%
- Work area depth (Y)410 mm vs 365 mm+12%
Why is A20 Pro V2 better than Alpha MK2 20W?
- Laser spot size0.16 mm vs 0.1 mm+60%
- Flame / fire detectionNo · Alpha MK2 20W: Yes
- Weight6.5 kg vs 6 kg+8%
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 | 455 nm |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Work area | ||
| Work area | 400 × 410 mm | 400 × 365 mm |
| Work area width (X) | 400 mm | 400 mm |
| Work area depth (Y) | 410 mm | 365 mm |
| Work area (surface) | 1,640 cm² | 1,460 cm² |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 500 mm/s | 400 mm/s |
| Max cutting depth – wood / plywood (one pass) | — | 17 mm |
| Max cutting depth – acrylic | — | 15 mm |
| Precision | ||
| Laser spot size | 0.16 mm | 0.1 mm |
| Positioning accuracy | — | 0.02 mm |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | Yes |
| Built-in fume filter / purifier | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | — | USB, Wi-Fi |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| File formats | — | JPG, SVG, PNG, BMP, PDF, G-code, DXF |
| Size & power | ||
| Width | 650 mm | 178 mm |
| Depth | 730 mm | 254 mm |
| Height | 240 mm | 178 mm |
| Weight | 6.5 kg | 6 kg |
| Rated power consumption | — | 120 W |
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