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- Compare
- A70 Max vs H20 20W
AtomStack A70 Max vs Ortur H20 20W
What A70 Max does better (5) and where H20 20W wins (3) — every spec side by side.
Why is A70 Max better than H20 20W?
- Laser output power70 W vs 20 W3.5×
- Work area (surface)6,800 cm² vs 1,260 cm²5.4×
- Work area depth (Y)800 mm vs 300 mm2.7×
- Work area width (X)850 mm vs 420 mm2×
- Flame / fire detectionYes · H20 20W: No
Why is H20 20W better than A70 Max?
- 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 |
| Frame material | — | Aluminium |
| Laser power | ||
| Laser output power | 70 W | 20 W |
| Second laser output power | — | 2 W |
| Work area | ||
| Work area | 850 × 800 mm | 420 × 300 mm |
| Work area width (X) | 850 mm | 420 mm |
| Work area depth (Y) | 800 mm | 300 mm |
| Work area (surface) | 6,800 cm² | 1,260 cm² |
| Max workpiece height | — | 98 mm |
| Speed & cutting | ||
| Max engraving / travel speed | — | 333 mm/s |
| Max cutting depth – wood / plywood (one pass) | 25 mm | — |
| Precision | ||
| Laser spot size | 0.18 mm | — |
| Positioning accuracy | 0.01 mm | — |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | Yes | No |
| Emergency stop button | Yes | Yes |
| Tilt / movement sensor | Yes | Yes |
| Exhaust fan | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | Yes |
| Autofocus / auto height | Yes | Yes |
| Rotary attachment support | Yes | — |
| Touchscreen / control panel | Yes | — |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Connections | Wi-Fi | USB, SD / USB drive |
| Wi-Fi | Yes | Yes |
| USB | — | Yes |
| SD / TF card | — | Yes |
| Compatible software | LightBurn, LaserGRBL, AtomStack Studio | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 1,056 mm | — |
| Depth | 1,128 mm | — |
| Height | 230 mm | — |
| Weight | 19 kg | — |
| Input voltage | 100–240 V | — |
