- Processing Talk
- Compare
- L8 20W vs SF-A9 40W
Genmitsu L8 20W vs Sculpfun SF-A9 40W
What L8 20W does better (3) and where SF-A9 40W wins (3) — every spec side by side.
Dimensions
Size comparison
L8 20WSF-A9 40W
| L8 20W | SF-A9 40W | Difference | |
|---|---|---|---|
| Height | 261 mm | 110 mm | +151 mm |
| Width | 715 mm | 606 mm | +109 mm |
| Depth | 621 mm | 665 mm | −44 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is L8 20W better than SF-A9 40W?
- Enclosed (fully covered)Yes · SF-A9 40W: No
- Built-in cameraYes · SF-A9 40W: No
- Max engraving / travel speed667 mm/s vs 600 mm/s+11%
Why is SF-A9 40W better than L8 20W?
- Laser output power20 W vs 40 W2×
- Laser spot size0.13 mm vs 0.1 mm+30%
- Flame / fire detectionNo · L8 20W: Yes
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 |
| Wavelength | 455 nm | 450 nm |
| Laser power | ||
| Laser output power | 20 W | 40 W |
| Work area | ||
| Work area | 400 × 400 mm | 400 × 400 mm |
| Work area width (X) | 400 mm | 400 mm |
| Work area depth (Y) | 400 mm | 400 mm |
| Work area (surface) | 1,600 cm² | 1,600 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 667 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | — | 20 mm |
| Precision | ||
| Laser spot size | 0.13 mm | 0.1 mm |
| Positioning accuracy | 0.01 mm | — |
| Linear rails | — | Yes |
| Safety | ||
| Enclosed (fully covered) | Yes | No |
| Laser safety class | Class 1 (eye-safe, enclosed) | — |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Tilt / movement sensor | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | Wi-Fi | USB, Wi-Fi, Bluetooth |
| Wi-Fi | Yes | Yes |
| USB | Yes | Yes |
| Bluetooth | — | Yes |
| Compatible software | LightBurn | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| File formats | JPG, BMP, PNG, GIF, DXF, PLT, HPGL | — |
| Size & power | ||
| Width | 715 mm | 606 mm |
| Depth | 621 mm | 665 mm |
| Height | 261 mm | 110 mm |
| Weight | — | 6.2 kg |
| Rated power consumption | 240 W | — |
