- Processing Talk
- Compare
- K1 3.5W vs R1 5W
Acmer K1 3.5W vs Ortur R1 5W
What K1 3.5W does better (4) and where R1 5W wins (1) — every spec side by side.
Dimensions
Size comparison
K1 3.5WR1 5W
| K1 3.5W | R1 5W | Difference | |
|---|---|---|---|
| Height | 190 mm | 140 mm | +50 mm |
| Width | 286 mm | 272 mm | +14 mm |
| Depth | 273 mm | 250 mm | +23 mm |
| Weight | 2.4 kg | 2.4 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is K1 3.5W better than R1 5W?
- Work area (surface)225 cm² vs 100 cm²2.2×
- Max engraving / travel speed167 mm/s vs 83 mm/s2×
- Work area width (X)150 mm vs 100 mm+50%
- Work area depth (Y)150 mm vs 100 mm+50%
Why is R1 5W better than K1 3.5W?
- Laser output power3.5 W vs 5 W+43%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm), Infrared diode (1064 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | — | 450 nm |
| Laser power | ||
| Laser output power | 3.5 W | 5 W |
| Work area | ||
| Work area | 150 × 150 mm | 100 × 100 mm |
| Work area width (X) | 150 mm | 100 mm |
| Work area depth (Y) | 150 mm | 100 mm |
| Work area (surface) | 225 cm² | 100 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 83 mm/s |
| Precision | ||
| Laser spot size | — | 0.11 mm |
| Positioning accuracy | 0.04 mm | — |
| Safety | ||
| Enclosed (fully covered) | Yes | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | No |
| Tilt / movement sensor | — | Yes |
| Features | ||
| Air assist | No | No |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Connectivity & software | ||
| Connections | — | USB |
| Wi-Fi | — | No |
| USB | — | Yes |
| Phone app control | — | Yes |
| Compatible software | LightBurn | — |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 286 mm | 272 mm |
| Depth | 273 mm | 250 mm |
| Height | 190 mm | 140 mm |
| Weight | 2.4 kg | 2.4 kg |








