- Processing Talk
- Compare
- B1 20W vs S70 Max 70W
Longer B1 20W vs Sculpfun S70 Max 70W
What B1 20W does better (2) and where S70 Max 70W wins (8) — every spec side by side.
vs
8.1Power & cutting9.2
8.0Speed8.0
4.4Precision3.4
8.9Work area9.6
3.2Safety7.2
3.5Features & ease of use7.7
Why is B1 20W better than S70 Max 70W?
- Laser spot size0.1 mm vs 0.15 mm+50%
- Max cutting depth – wood / plywood (one pass)25 mm vs 20 mm+25%
Why is S70 Max 70W better than B1 20W?
- Laser output power20 W vs 70 W3.5×
- Work area (surface)1,980 cm² vs 6,640 cm²3.4×
- Air assistNo · B1 20W: Yes
- Autofocus / auto heightNo · B1 20W: Yes
- Flame / fire detectionNo · B1 20W: Yes
- Wi-FiNo · B1 20W: Yes
- Work area width (X)450 mm vs 830 mm+84%
- Work area depth (Y)440 mm vs 800 mm+82%
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 |
| Laser power | ||
| Laser output power | 20 W | 70 W |
| Work area | ||
| Work area | 450 × 440 mm | 830 × 800 mm |
| Work area width (X) | 450 mm | 830 mm |
| Work area depth (Y) | 440 mm | 800 mm |
| Work area (surface) | 1,980 cm² | 6,640 cm² |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 25 mm | 20 mm |
| Precision | ||
| Laser spot size | 0.1 mm | 0.15 mm |
| Linear rails | — | Yes |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Tilt / movement sensor | — | Yes |
| Built-in fume filter / purifier | — | Yes |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | Yes |
| Rotary attachment support | Yes | — |
| Touchscreen / control panel | Yes | Yes |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Connections | USB, SD / USB drive | Wi-Fi |
| Wi-Fi | No | Yes |
| USB | Yes | — |
| SD / TF card | Yes | — |
| Phone app control | Yes | Yes |
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |









