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- Compare
- M4 Pro vs H20 20W
AtomStack M4 Pro vs Ortur H20 20W
What M4 Pro does better (0) and where H20 20W wins (7) — every spec side by side.
Why is M4 Pro better than H20 20W?
M4 Pro has no measurable advantages in this pair.
Why is H20 20W better than M4 Pro?
- Work area (surface)100 cm² vs 1,260 cm²12.6×
- Enclosed (fully covered)No · M4 Pro: Yes
- Air assistNo · M4 Pro: Yes
- Built-in cameraNo · M4 Pro: Yes
- Work area width (X)100 mm vs 420 mm4.2×
- Work area depth (Y)100 mm vs 300 mm3×
- Two laser sourcesNo · M4 Pro: 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 | — | 1,064 nm |
| Frame material | — | Aluminium |
| Laser power | ||
| Laser output power | — | 20 W |
| Second laser output power | — | 2 W |
| Work area | ||
| Work area | 100 × 100 mm | 420 × 300 mm |
| Work area width (X) | 100 mm | 420 mm |
| Work area depth (Y) | 100 mm | 300 mm |
| Work area (surface) | 100 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) | 5 mm | — |
| Max cutting depth – acrylic | 8 mm | — |
| Precision | ||
| Laser spot size | 0.03 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | No |
| Emergency stop button | — | Yes |
| Tilt / movement sensor | — | Yes |
| Exhaust fan | — | Yes |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | No | Yes |
| Autofocus / auto height | Yes | Yes |
| Rotary attachment support | Yes | — |
| Connectivity & software | ||
| Connections | — | USB, SD / USB drive |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| SD / TF card | — | Yes |
| Phone app control | Yes | — |
| Compatible software | LightBurn | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Weight | 2.8 kg | — |
