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- Kraft 20W vs S1 20W
AtomStack Kraft 20W vs xTool S1 20W
What Kraft 20W does better (5) and where S1 20W wins (2) — every spec side by side.
Dimensions
Size comparison
Kraft 20WS1 20W
| Kraft 20W | S1 20W | Difference | |
|---|---|---|---|
| Height | 261 mm | 183 mm | +78 mm |
| Width | 791 mm | 765 mm | +26 mm |
| Depth | 610 mm | 561 mm | +49 mm |
| Weight | 23.6 kg | 20 kg | +3.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Kraft 20W better than S1 20W?
- Laser spot size0.03 mm vs 0.1 mm3.3×
- Air assistYes · S1 20W: No
- Built-in cameraYes · S1 20W: No
- Autofocus / auto heightYes · S1 20W: No
- Two laser sourcesYes · S1 20W: No
Why is S1 20W better than Kraft 20W?
- Positioning accuracy0.03 mm vs 0.01 mm3×
- Weight23.6 kg vs 20 kg+18%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm), Infrared diode (1064 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | Yes | No |
| Wavelength | 1,064 nm | — |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Second laser output power | 1.2 W | — |
| Work area | ||
| Work area | 498 × 320 mm | 498 × 319 mm |
| Work area width (X) | 498 mm | 498 mm |
| Work area depth (Y) | 320 mm | 319 mm |
| Work area (surface) | 1,594 cm² | 1,589 cm² |
| Max workpiece height | — | 134 mm |
| Pass-through slot | — | Yes |
| Conveyor / roll feeder support | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 18 mm | — |
| Max cutting depth – acrylic | 5 mm | — |
| Precision | ||
| Laser spot size | 0.03 mm | 0.1 mm |
| Positioning accuracy | 0.03 mm | 0.01 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | Class 1 (eye-safe, enclosed) | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | Yes | Yes |
| Emergency stop button | Yes | Yes |
| Lid interlock | — | Yes |
| Features | ||
| Air assist | Yes | No |
| Built-in camera | Yes | No |
| Autofocus / auto height | Yes | No |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | Yes | — |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | USB, Wi-Fi |
| Wi-Fi | Yes | Yes |
| USB | Yes | Yes |
| SD / TF card | Yes | — |
| Compatible software | LightBurn, AtomStack Studio | LightBurn, xTool Creative Space |
| LightBurn compatible | Yes | Yes |
| File formats | — | SVG, DXF, JPG, PNG, BMP, TIF |
| Size & power | ||
| Width | 791 mm | 765 mm |
| Depth | 610 mm | 561 mm |
| Height | 261 mm | 183 mm |
| Weight | 23.6 kg | 20 kg |
