ComMarker B6 20W Fiber Laser Engraver vs GWEIKE G2 Max 50W Fiber Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.
ComMarker
$599
GWEIKE
$1199
Spec-by-Spec Comparison
| Spec | ComMarker B6 20W Fiber Laser Engraver | GWEIKE G2 Max 50W Fiber Laser Engraver |
|---|---|---|
| Wattage | 20 W | 50 W |
| Laser Type | Q-Switched | Q-Switched |
| Laser Source | Raycus | Raycus |
| Work Area (W) | 150 mm | 150 mm |
| Work Area (H) | 150 mm | 150 mm |
| Galvo Speed | 8000 mm/s | 15000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | Yes | No |
| Weight | 3.5 kg | 6.5 kg |
| Software | LightBurn + EZCad | LightBurn + EZCad |
| Pulse Width | N/A (Q-Switched) | N/A (Q-Switched, 20–200kHz frequency range) |
| Price | $599 | $1199 |
| Rating | 8.0/10 | 7.8/10 |
| Buy on Amazon | Buy 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
GWEIKE G2 Max 50W Fiber Laser Engraver
Pros
- 50W Raycus fiber at 15,000mm/s is the highest wattage-speed combination in this price bracket — deep engraving to 5mm on metal is a documented standout capability no 30W machine at any price matches
- GWEIKE's LightBurn driver is the most actively maintained of any Chinese fiber laser brand — after the initial x/y axis calibration, LightBurn integration runs without the COR file gymnastics that ComMarker requires
- 150×150mm work area with 50W handles large plaques, long knife blades, and production batch runs on a single setup
- Active LightBurn settings ecosystem with a 37-material community settings pack (Etsy) specific to the G2 Max 50W covering metals, plastics, and stone
- 6.5kg portable form factor with detachable laser head — the same lightweight chassis as the G2 Pro 30W, not the heavy industrial frame you would expect at 50W output
Cons
- NOT a MOPA laser — earlier specs on this site incorrectly listed it as MOPA/JPT; it is a Raycus Q-switched fiber laser; no controllable pulse width, no MOPA-quality color marking libraries
- Calibration out of box requires x/y axis swap in LightBurn — documented by a verified owner (machinesformakers.com, Sep 2025); not a defect but a configuration step GWEIKE's documentation does not explain
- At $1,199 it costs $100 more than the ComMarker B4 60W MOPA — which has 60W, confirmed JPT MOPA source, and documented color marking libraries versus the G2 Max's 50W Raycus Q-switched
- Color marking is thermal oxidation, not MOPA — achievable on stainless and titanium with tuning but less consistent and less repeatable than a JPT MOPA; best-lasercutter.com explicitly notes this limitation
- No enclosure, no autofocus, and documentation rated poor by multiple owners — 50W Class 4 open-beam requires full PPE and a controlled workspace from day one
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.
GWEIKE G2 Max 50W Fiber Laser Engraver
The GWEIKE G2 Max 50W is the right machine when deep engraving speed is the priority and color marking consistency is secondary. At 15,000mm/s with 50W, it outpaces every other machine in this price range for batch deep engraving — knife blades, 3D grayscale on metal, and production-speed serial marking. It is not a MOPA laser (an error corrected from earlier data — it is Raycus Q-switched), and at $1,199 you are paying $100 more than the ComMarker B4 60W MOPA, which has more documented color capability and a confirmed MOPA source. If deep engraving speed is the use case, G2 Max wins. If color marking is the priority, the ComMarker B4 60W MOPA is the correct buy.