ComMarker B6 20W Fiber Laser Engraver vs Monport 20W Fiber Laser Engraver

Head-to-head spec comparison to help you pick the right fiber laser for your needs.

ComMarker B6 20W Fiber Laser Engraver

ComMarker

$599

vs
Monport 20W Fiber Laser Engraver

Monport

$349

Spec Winner

ComMarker B6 20W Fiber Laser Engraver

Wins on 3 of 4 spec categories

Spec-by-Spec Comparison

SpecComMarker B6 20W Fiber Laser EngraverMonport 20W Fiber Laser Engraver
Wattage20 W20 W
Laser TypeQ-SwitchedQ-Switched
Laser SourceRaycusRaycus
Work Area (W)150 mm110 mm
Work Area (H)150 mm110 mm
Galvo Speed8000 mm/s7000 mm/s
Color MarkingNoNo
LightBurnYesYes
AutofocusYesNo
Weight3.5 kg3.2 kg
SoftwareLightBurn + EZCadBSLcad + LightBurn (galvo license required separately)
Pulse WidthN/A (Q-Switched)N/A (Q-Switched)
Price$599$349
Rating8.0/106.5/10
Buy on AmazonBuy on Amazon

Pros & Cons

ComMarker B6 20W Fiber Laser Engraver

Pros

  • 150×150mm work area — 35% larger than the GWEIKE G2's 110mm field — fits tumblers on a rotary chuck and full knife blades without repositioning
  • Autofocus eliminates manual Z-axis setup every session — the only 20W fiber laser with autofocus in the sub-$600 tier; every other machine in this range requires manual focus adjustment
  • LightBurn confirmed working with EZCad also included — both workflows supported; buyers coming from diode lasers have immediate LightBurn continuity
  • Built-in touchscreen display for settings and job status — removes the need to monitor a laptop during production runs
  • 20W Raycus Q-switched marks steel, aluminum, brass, titanium, and copper consistently — ComMarker's production volume means quality control is verified across thousands of units

Cons

  • Q-switched only — no color marking on stainless steel regardless of settings; for any color on tumblers or jewelry, the minimum step up is the OMTech 30W MOPA at $699
  • No enclosure — Class 4 open-beam fiber laser; the invisible 1064nm infrared beam requires OD5+ eyewear and either a dedicated enclosure or a controlled workspace with no reflective surfaces
  • Thinner community than GWEIKE — fewer Reddit threads and YouTube settings tutorials; troubleshooting depends more on ComMarker support channels than community knowledge
  • Rotary not included — cylindrical tumbler marking requires a separate chuck or roller rotary attachment ($45–$65) on top of machine cost

Monport 20W Fiber Laser Engraver

Pros

  • BSLcad bundled with LightBurn galvo support confirmed — no EZCad-only lock-in at $349; the Amazon listing explicitly says 'LightBurn Compatible'
  • Raycus 20W source marks stainless steel, aluminum, brass, titanium, copper, and anodized aluminum consistently — the same source family used in machines twice the price
  • Q-switched monochrome marks are deep and durable — serial numbers, logos, and ID marks survive heavy daily use without fading or rubbing off
  • 110×110mm work area covers rings, dog tags, knife blade sections, and metal business cards without repositioning
  • 3.2kg form factor is genuinely portable — moves between bench and jobsite without fixed infrastructure or dedicated workspace

Cons

  • LightBurn setup on the BSLFiber controller is poorly documented — LightBurn forum (Jan 2025) rated Monport's galvo setup instructions 'horrible'; expect troubleshooting before first successful job
  • 10,000mm/s galvo speed trails the GWEIKE G2's 15,000mm/s at $150 more — the speed gap is noticeable on high-infill designs and compounds significantly on volume work
  • No color marking — Q-switched fixed pulse width cannot produce oxidation colors on stainless steel regardless of settings or software
  • No autofocus — manual Z-axis height setup required for every material change or thickness variation; a friction point that dedicated color-marking workflows cannot absorb
  • BSLcad community resources are nearly nonexistent — unlike GWEIKE or OMTech, no active forum threads, settings libraries, or YouTube tutorials specific to BSLcad workflows

Our Verdicts

ComMarker B6 20W Fiber Laser Engraver

The ComMarker B6 is the correct 20W pick when work area matters more than color capability. The 150mm field covers tumblers (with a rotary), full knife blades, and medium plaques that would require repositioning on a 110mm machine. Autofocus and the built-in display are genuine workflow upgrades over competitors at this price. If color marking is any part of your future roadmap, skip this machine — the B6 is Q-switched, and adding color capability later means buying a second machine. Buy the OMTech 30W MOPA at $699 instead. For monochrome marking on larger pieces with the most features in this tier, the B6 is the pick.

Monport 20W Fiber Laser Engraver

The Monport 20W is the honest answer when the budget ceiling is $400 and the use case is basic metal marking. LightBurn is supported (the 'EZCad-only' framing in older reviews is outdated), the Raycus source is legitimate, and the machine marks metals cleanly. The real tradeoff is everything that matters for efficient daily use: the GWEIKE G2 20W at $150 more runs 50% faster, has dramatically better documentation, and has an active community that has already solved the problems you will encounter. If $349 is a genuine limit, this gets the job done. If it is not, pay the extra $150 for the G2.

ComMarker B6 20W Fiber Laser Engraver

$599

Monport 20W Fiber Laser Engraver

$349

More Comparisons