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- Kraft 20W vs F1 Ultra 20W
AtomStack Kraft 20W vs xTool F1 Ultra 20W
What Kraft 20W does better (3) and where F1 Ultra 20W wins (2) — every spec side by side.
vs
6.5Power & cutting2.7
8.0Speed4.9
8.3Precision9.7
7.1Work area8.2
9.2Safety8.8
9.5Features & ease of use8.8
Dimensions
Size comparison
Kraft 20WF1 Ultra 20W
| Kraft 20W | F1 Ultra 20W | Difference | |
|---|---|---|---|
| Height | 261 mm | 492 mm | −231 mm |
| Width | 791 mm | 273 mm | +518 mm |
| Depth | 610 mm | 373 mm | +237 mm |
| Weight | 23.6 kg | 14.7 kg | +8.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Kraft 20W better than F1 Ultra 20W?
- Work area (surface)1,594 cm² vs 484 cm²3.3×
- Work area width (X)498 mm vs 220 mm2.3×
- Work area depth (Y)320 mm vs 220 mm+45%
Why is F1 Ultra 20W better than Kraft 20W?
- Max engraving / travel speed600 mm/s vs 10,000 mm/s16.7×
- Weight23.6 kg vs 14.7 kg+61%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm), Infrared diode (1064 nm) | Fibre (1064 nm), Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Galvo (scanning mirrors) |
| Two laser sources | Yes | Yes |
| 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 | 220 × 220 mm |
| Work area width (X) | 498 mm | 220 mm |
| Work area depth (Y) | 320 mm | 220 mm |
| Work area (surface) | 1,594 cm² | 484 cm² |
| Conveyor / roll feeder support | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 10,000 mm/s |
| Max cutting depth – wood / plywood (one pass) | 18 mm | — |
| Max cutting depth – acrylic | 5 mm | — |
| Precision | ||
| Laser spot size | 0.03 mm | 0.03 mm |
| Positioning accuracy | 0.03 mm | — |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | Class 1 (eye-safe, enclosed) | — |
| Flame / fire detection | Yes | Yes |
| Emergency stop button | Yes | — |
| Built-in fume filter / purifier | — | Yes |
| Features | ||
| Air assist | Yes | — |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | Yes | Yes |
| Rotary attachment support | Yes | — |
| Touchscreen / control panel | — | Yes |
| Offline engraving (no computer) | Yes | 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, PNG, JPG, BMP |
| Size & power | ||
| Width | 791 mm | 273 mm |
| Depth | 610 mm | 373 mm |
| Height | 261 mm | 492 mm |
| Weight | 23.6 kg | 14.7 kg |
