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- Kraft 20W vs G3 50W
AtomStack Kraft 20W vs Gweike G3 50W
What Kraft 20W does better (4) and where G3 50W wins (6) — every spec side by side.
Dimensions
Size comparison
Kraft 20WG3 50W
| Kraft 20W | G3 50W | Difference | |
|---|---|---|---|
| Height | 261 mm | 330 mm | −69 mm |
| Width | 791 mm | 526 mm | +265 mm |
| Depth | 610 mm | 220 mm | +390 mm |
| Weight | 23.6 kg | 12.2 kg | +11.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Kraft 20W better than G3 50W?
- Work area (surface)1,594 cm² vs 289 cm²5.5×
- Laser spot size0.03 mm vs 0.1 mm3.3×
- Work area width (X)498 mm vs 170 mm2.9×
- Work area depth (Y)320 mm vs 170 mm+88%
Why is G3 50W better than Kraft 20W?
- Laser output power20 W vs 50 W2.5×
- Max engraving / travel speed600 mm/s vs 15,000 mm/s25×
- Max cutting depth – acrylic5 mm vs 20 mm4×
- Positioning accuracy0.03 mm vs 0.003 mm10×
- Max cutting depth – wood / plywood (one pass)18 mm vs 23 mm+28%
- Weight23.6 kg vs 12.2 kg+93%
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 | 1,064 nm |
| Laser power | ||
| Laser output power | 20 W | 50 W |
| Second laser output power | 1.2 W | — |
| Work area | ||
| Work area | 498 × 320 mm | 170 × 170 mm |
| Work area width (X) | 498 mm | 170 mm |
| Work area depth (Y) | 320 mm | 170 mm |
| Work area (surface) | 1,594 cm² | 289 cm² |
| Conveyor / roll feeder support | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 600 mm/s | 15,000 mm/s |
| Max cutting depth – wood / plywood (one pass) | 18 mm | 23 mm |
| Max cutting depth – acrylic | 5 mm | 20 mm |
| Precision | ||
| Laser spot size | 0.03 mm | 0.1 mm |
| Positioning accuracy | 0.03 mm | 0.003 mm |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | Class 1 (eye-safe, enclosed) | — |
| Flame / fire detection | Yes | — |
| Emergency stop button | Yes | — |
| Features | ||
| Air assist | Yes | — |
| Built-in camera | Yes | Yes |
| 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 |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 791 mm | 526 mm |
| Depth | 610 mm | 220 mm |
| Height | 261 mm | 330 mm |
| Weight | 23.6 kg | 12.2 kg |
| Input voltage | — | 110–240 V |
