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- A70 Max vs Kraft 20W
AtomStack A70 Max vs AtomStack Kraft 20W
What A70 Max does better (7) and where Kraft 20W wins (4) — every spec side by side.
Dimensions
Size comparison
A70 MaxKraft 20W
| A70 Max | Kraft 20W | Difference | |
|---|---|---|---|
| Height | 230 mm | 261 mm | −31 mm |
| Width | 1,056 mm | 791 mm | +265 mm |
| Depth | 1,128 mm | 610 mm | +518 mm |
| Weight | 19 kg | 23.6 kg | −4.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is A70 Max better than Kraft 20W?
- Laser output power70 W vs 20 W3.5×
- Work area (surface)6,800 cm² vs 1,594 cm²4.3×
- Positioning accuracy0.01 mm vs 0.03 mm3×
- Max cutting depth – wood / plywood (one pass)25 mm vs 18 mm+39%
- Work area depth (Y)800 mm vs 320 mm2.5×
- Work area width (X)850 mm vs 498 mm+71%
- Weight19 kg vs 23.6 kg+24%
Why is Kraft 20W better than A70 Max?
- Laser spot size0.18 mm vs 0.03 mm6×
- Enclosed (fully covered)No · A70 Max: Yes
- Built-in cameraNo · A70 Max: Yes
- Two laser sourcesNo · A70 Max: Yes
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm), Infrared diode (1064 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | Yes |
| Wavelength | 455 nm | 1,064 nm |
| Laser power | ||
| Laser output power | 70 W | 20 W |
| Second laser output power | — | 1.2 W |
| Work area | ||
| Work area | 850 × 800 mm | 498 × 320 mm |
| Work area width (X) | 850 mm | 498 mm |
| Work area depth (Y) | 800 mm | 320 mm |
| Work area (surface) | 6,800 cm² | 1,594 cm² |
| Conveyor / roll feeder support | — | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | — | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 25 mm | 18 mm |
| Max cutting depth – acrylic | — | 5 mm |
| Precision | ||
| Laser spot size | 0.18 mm | 0.03 mm |
| Positioning accuracy | 0.01 mm | 0.03 mm |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | Yes | Yes |
| Emergency stop button | Yes | Yes |
| Tilt / movement sensor | Yes | — |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | Yes |
| Autofocus / auto height | Yes | Yes |
| Rotary attachment support | Yes | Yes |
| Touchscreen / control panel | Yes | — |
| Offline engraving (no computer) | Yes | Yes |
| Connectivity & software | ||
| Connections | Wi-Fi | USB, Wi-Fi |
| Wi-Fi | Yes | Yes |
| USB | — | Yes |
| SD / TF card | — | Yes |
| Compatible software | LightBurn, LaserGRBL, AtomStack Studio | LightBurn, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 1,056 mm | 791 mm |
| Depth | 1,128 mm | 610 mm |
| Height | 230 mm | 261 mm |
| Weight | 19 kg | 23.6 kg |
| Input voltage | 100–240 V | — |
