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- Kraft 20W vs K2 Pro 55W
AtomStack Kraft 20W vs Ikier K2 Pro 55W
What Kraft 20W does better (3) and where K2 Pro 55W wins (1) — every spec side by side.
vs
6.5Power & cutting9.5
8.0Speed8.0
8.3Precision4.4
7.1Work area7.4
9.2Safety8.7
9.5Features & ease of use8.9
Dimensions
Size comparison
Kraft 20WK2 Pro 55W
| Kraft 20W | K2 Pro 55W | Difference | |
|---|---|---|---|
| Height | 261 mm | 261 mm | = |
| Width | 791 mm | 750 mm | +41 mm |
| Depth | 610 mm | 600 mm | +10 mm |
| Weight | 23.6 kg | 23.6 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Kraft 20W better than K2 Pro 55W?
- Laser spot size0.03 mm vs 0.1 mm3.3×
- Built-in cameraYes · K2 Pro 55W: No
- Two laser sourcesYes · K2 Pro 55W: No
Why is K2 Pro 55W better than Kraft 20W?
- Laser output power20 W vs 55 W2.8×
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 | 55 W |
| Second laser output power | 1.2 W | — |
| Work area | ||
| Work area | 498 × 320 mm | 500 × 320 mm |
| Work area width (X) | 498 mm | 500 mm |
| Work area depth (Y) | 320 mm | 320 mm |
| Work area (surface) | 1,594 cm² | 1,600 cm² |
| Conveyor / roll feeder support | Yes | 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 | — |
| 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 | — |
| Tilt / movement sensor | — | Yes |
| Lid interlock | — | Yes |
| Exhaust fan | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | No |
| Autofocus / auto height | Yes | Yes |
| 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, AtomStack Studio |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 791 mm | 750 mm |
| Depth | 610 mm | 600 mm |
| Height | 261 mm | 261 mm |
| Weight | 23.6 kg | 23.6 kg |
