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- Kraft 20W vs F2 15W
AtomStack Kraft 20W vs xTool F2 15W
What Kraft 20W does better (5) and where F2 15W wins (1) — every spec side by side.
Why is Kraft 20W better than F2 15W?
- Enclosed (fully covered)Yes · F2 15W: No
- Laser output power20 W vs 15 W+33%
- Air assistYes · F2 15W: No
- Autofocus / auto heightYes · F2 15W: No
- Flame / fire detectionYes · F2 15W: No
Why is F2 15W better than Kraft 20W?
- Second laser output power1.2 W vs 5 W4.2×
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm), Infrared diode (1064 nm) | Blue diode (≈455 nm), Infrared diode (1064 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 | 15 W |
| Second laser output power | 1.2 W | 5 W |
| Work area | ||
| Work area | 498 × 320 mm | — |
| Work area width (X) | 498 mm | — |
| Work area depth (Y) | 320 mm | — |
| Work area (surface) | 1,594 cm² | — |
| Max workpiece height | — | 120 mm |
| Conveyor / roll feeder support | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | 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 | — |
| Positioning accuracy | 0.03 mm | — |
| Safety | ||
| Enclosed (fully covered) | Yes | No |
| Laser safety class | Class 1 (eye-safe, enclosed) | — |
| Flame / fire detection | Yes | No |
| Emergency stop button | Yes | — |
| Features | ||
| Air assist | Yes | No |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | Yes | No |
| Rotary attachment support | Yes | — |
| Offline engraving (no computer) | Yes | Yes |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | — |
| Wi-Fi | Yes | — |
| USB | Yes | — |
| SD / TF card | Yes | — |
| Compatible software | LightBurn, AtomStack Studio | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 791 mm | — |
| Depth | 610 mm | — |
| Height | 261 mm | — |
| Weight | 23.6 kg | — |
