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- Delta 22W vs SF-A9 20W
Algolaser Delta 22W vs Sculpfun SF-A9 20W
What Delta 22W does better (6) and where SF-A9 20W wins (5) — every spec side by side.
Dimensions
Size comparison
Delta 22WSF-A9 20W
| Delta 22W | SF-A9 20W | Difference | |
|---|---|---|---|
| Height | 240 mm | 110 mm | +130 mm |
| Width | 650 mm | 606 mm | +44 mm |
| Depth | 730 mm | 665 mm | +65 mm |
| Weight | 7 kg | 6.2 kg | +0.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Delta 22W better than SF-A9 20W?
- Built-in cameraYes · SF-A9 20W: No
- Autofocus / auto heightYes · SF-A9 20W: No
- Work area (surface)1,764 cm² vs 1,600 cm²+10%
- Laser output power22 W vs 20 W+10%
- Work area width (X)425 mm vs 400 mm+6%
- Work area depth (Y)415 mm vs 400 mm+4%
Why is SF-A9 20W better than Delta 22W?
- Max cutting depth – wood / plywood (one pass)10 mm vs 20 mm2×
- Laser spot size0.16 mm vs 0.1 mm+60%
- Max engraving / travel speed500 mm/s vs 600 mm/s+20%
- Flame / fire detectionNo · Delta 22W: Yes
- Weight7 kg vs 6.2 kg+13%
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 | 450 nm | 450 nm |
| Laser power | ||
| Laser output power | 22 W | 20 W |
| Work area | ||
| Work area | 425 × 415 mm | 400 × 400 mm |
| Work area width (X) | 425 mm | 400 mm |
| Work area depth (Y) | 415 mm | 400 mm |
| Work area (surface) | 1,764 cm² | 1,600 cm² |
| Work-area extension kit | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 500 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 10 mm | 20 mm |
| Precision | ||
| Laser spot size | 0.16 mm | 0.1 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 | Yes | Yes |
| Built-in camera | Yes | No |
| Autofocus / auto height | Yes | No |
| Rotary attachment support | Yes | Yes |
| Touchscreen / control panel | Yes | — |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Connections | SD / USB drive | USB, Wi-Fi, Bluetooth |
| Wi-Fi | Yes | Yes |
| USB | Yes | Yes |
| Bluetooth | — | Yes |
| SD / TF card | Yes | — |
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 650 mm | 606 mm |
| Depth | 730 mm | 665 mm |
| Height | 240 mm | 110 mm |
| Weight | 7 kg | 6.2 kg |
| Rated power consumption | 144 W | — |
