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- LE-4040 Pro 20W vs B1 20W
FoxAlien LE-4040 Pro 20W vs Longer B1 20W
What LE-4040 Pro 20W does better (0) and where B1 20W wins (3) — every spec side by side.
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7.7Power & cutting8.1
2.5Precision4.4
6.7Work area8.9
3.2Safety3.2
2.7Features & ease of use3.5
Why is LE-4040 Pro 20W better than B1 20W?
LE-4040 Pro 20W has no measurable advantages in this pair.
Why is B1 20W better than LE-4040 Pro 20W?
- Work area (surface)1,600 cm² vs 1,980 cm²+24%
- Work area width (X)400 mm vs 450 mm+12%
- Work area depth (Y)400 mm vs 440 mm+10%
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 | 20 W |
| Work area | ||
| Work area | 400 × 400 mm | 450 × 440 mm |
| Work area width (X) | 400 mm | 450 mm |
| Work area depth (Y) | 400 mm | 440 mm |
| Work area (surface) | 1,600 cm² | 1,980 cm² |
| Max workpiece height | 30 mm | — |
| Work-area extension kit | — | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | — | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | — | 25 mm |
| Precision | ||
| Laser spot size | — | 0.1 mm |
| Positioning accuracy | 0.1 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | No |
| Features | ||
| Air assist | No | No |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Touchscreen / control panel | — | Yes |
| Connectivity & software | ||
| Connections | USB | USB, SD / USB drive |
| Wi-Fi | No | No |
| USB | Yes | Yes |
| SD / TF card | — | Yes |
| Phone app control | — | Yes |
| Compatible software | LightBurn, LaserGRBL, Candle | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 640 mm | — |
| Depth | 580 mm | — |
| Height | 230 mm | — |
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