ComMarker B4 20W vs OMTech Galvo 30W
| Laser | ||
| Type | Fiber Laser | Fiber Laser |
| Wavelength | 1,064 nm | 1,064 nm |
| Optical Power | 20 W | 30 W |
| Performance | ||
| Work Area | 150 × 150 mm | 175 × 175 mm |
| Max Speed | 600,000 mm/min | 600,000 mm/min |
| Focus | Manual | Manual |
| Features | ||
| Enclosure | No | No |
| Air Assist | No | No |
| Rotary Compatible | Yes | Yes |
| WiFi | No | No |
| Camera | No | No |
| Physical | ||
| Approx. Price | $1,399 | $1,999 |
| Release Year | 2022 | 2021 |
| Weight | 11 kg | 18 kg |
Pros & Cons
ComMarker B4 20W
What we like
- Compact and portable at only 11 kg
- Affordable entry into professional fiber laser engraving
- Available in 20W/30W/50W/100W variants
- Works with EzCad2 and LightBurn
- Strong community and accessory ecosystem
Watch out for
- No autofocus (manual or separate motorized lift table)
- Standard 110×110mm work area is small (optional lens required for 200×200mm)
- USB-only connectivity (no Wi-Fi)
- No built-in enclosure or camera
OMTech Galvo 30W
What we like
- Extremely fast galvo scanning up to 10,000 mm/s
- 100,000-hour fiber laser lifespan — essentially maintenance-free
- Marks metal directly without coatings (steel, aluminum, brass, titanium)
- Compact at 18 kg; LightBurn compatible on Mac and Windows
- Competitive $1,999 price for 30W fiber
Watch out for
- Small 175×175mm marking area
- Cannot cut or engrave wood, acrylic, or organic materials
- Open design — no enclosure for fumes/debris
- Manual focus only (autofocus version sold separately at higher price)
Compatible Materials
ComMarker B4 20W
steelaluminumbrasscopperAnodized AluminumtitaniumgoldsilverLeathercoated metals
OMTech Galvo 30W
steelaluminumbrasscoppertitaniumAnodized Aluminumcoated metals
The ComMarker B4 20W costs $1,399 (30% less) than the OMTech Galvo 30W, which is priced at $1,999.
The OMTech Galvo 30W has 33% more optical power (30W vs 20W).
The OMTech Galvo 30W offers a 27% larger work area (175 × 175 mm vs 150 × 150 mm).
Both machines share the same maximum speed of 600,000 mm/min.