ComMarker B4 30W vs ComMarker B6 MOPA 60W
Verdict
On our scores the ComMarker B6 MOPA 60W comes out ahead, 74 to 71. The ComMarker B4 30W is a 30 W galvo fiber laser with a 200 × 200 mm work area; the ComMarker B6 MOPA 60W is a 60 W galvo mopa fiber laser with 150 × 150 mm. The ComMarker B4 30W costs about $2,400 less at list price.
The ComMarker B4 30W is best for
Hobbyists and small sellers who want more depth than a 20W for metal engraving at a modest price and are happy to set focus by hand.The ComMarker B6 MOPA 60W is best for
Small businesses and serious hobbyists who want MOPA color marking, deep engraving and thin metal cutting for less than enclosed MOPA machines cost.Specs and scores side by side
| ComMarker B4 30W | ComMarker B6 MOPA 60W | |
|---|---|---|
| Laser type | Galvo fiber laser | Galvo MOPA fiber laser |
| Form | Desktop galvo | Desktop galvo |
| Optical power | 30 W | 60 W |
| Work area | 200 × 200 mm | 150 × 150 mm |
| Max speed | 15000 mm/s (maker claim) | 15000 mm/s (maker claim) |
| Air assist | None | None |
| Camera | No | No |
| Autofocus | No | Yes |
| Safety | Open galvo marker, Class 4 per the manual, with an emergency stop button but no enclosure or interlock. One pair of safety goggles is in the box; ComMarker sells a shield ($89) and the Safety Enclosure Pro ($458 to $567) separately | Open galvo machine, Class 4 on its own; ComMarker rates it Class 1 only inside its optional Safety Enclosure Pro, which adds a door sensor. Temperature detection and an emergency button are built in, and one pair of safety goggles is included |
| Weight | 19.5 kg | 13.5 kg |
| Price | $1,599 | $3,999 |
| Overall score | 71 | 74 |
| Power score | 76 | 85 |
| Speed score | 95 | 95 |
| Ease score | 66 | 72 |
| Safety score | 35 | 36 |
| Value score | 78 | 74 |
Frequently asked questions
Which is better, the ComMarker B4 30W or the ComMarker B6 MOPA 60W?
On our scores the ComMarker B6 MOPA 60W comes out ahead, 74 to 71. The ComMarker B4 30W is a 30 W galvo fiber laser with a 200 × 200 mm work area; the ComMarker B6 MOPA 60W is a 60 W galvo mopa fiber laser with 150 × 150 mm. The ComMarker B4 30W costs about $2,400 less at list price.
Which is cheaper, the ComMarker B4 30W or the ComMarker B6 MOPA 60W?
At list price the ComMarker B4 30W ($1,599) costs less than the ComMarker B6 MOPA 60W ($3,999).
How we rank: by our own scores for power, speed, ease of use, safety and value, from the maker's published specs and independent tests where they exist. Some links earn us a commission (for example TwoTrees, SainSmart, Gweike and Amazon). That never changes a score or the order of a list (disclosure).