GWEIKE G2 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.

GWEIKE
$1,299

GWEIKE
$2,499
Spec-by-Spec Comparison
| Spec | GWEIKE G2 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) | 110 mm | 150 mm |
| Work Area (H) | 110 mm | 150 mm |
| Galvo Speed | 15000 mm/s | 15000 mm/s |
| Color Marking | No | Yes |
| LightBurn | Yes | Yes |
| Autofocus | No | No |
| Weight | 2.5 kg | 6.5 kg |
| Software | LightBurn + EZCad2 | LightBurn + EZCad |
| Pulse Width | N/A (Q-Switched) | N/A (Q-Switched, 20–200kHz frequency range) |
| Price | $1,299 | $2,499 |
| Rating | 7.8/10 | 7.8/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
GWEIKE G2 20W Fiber Laser Engraver
Pros
- LightBurn workflow support is documented in the broader review evidence; confirm the current controller and license requirements with the seller
- The listing title carries a 15,000mm/s speed claim, but buyers should compare real-job evidence rather than infer throughput from catalog speed alone
- Raycus 20W source with documented reliability in knife-marking communities — a dedicated Italian cutlery review site (coltellimania.com, 14k views) independently validated the G2 for blade work
- 110×110mm work area covers rings, blade sections, small plaques, and coin marking without repositioning or compromising mark quality
- Active settings ecosystem: YouTube tutorials, LightBurn forum threads, and community settings libraries are indexed for the G2 specifically — problems you hit have been solved publicly
Cons
- Power-loss mid-job defect documented on LightBurn forum (June 2025) — mid-engraving power drop reported on some units; a workaround exists in settings but not every owner encounters it
- Customer service is WhatsApp-only with slow US response times — if something goes wrong, you are on your own until business hours in China; not viable for production-critical downtime
- Focus height calibration is poorly documented — community consensus is to calibrate by burn quality and sound rather than ruler measurement; GWEIKE's manual understates this complexity
- 110×110mm work area rules out tumblers and anything wider than a palm — if typical work pieces are over 100mm, step up to the ComMarker B6 (150mm field)
- No color marking — Q-switched laser cannot produce oxidation colors on stainless steel regardless of settings
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
- Compare this 50W Q-switched configuration with current 60W MOPA offers by exact source, field, controller, and workflow rather than expired prices
- 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
GWEIKE G2 20W Fiber Laser Engraver
The GWEIKE G2 20W is the stronger 20W option for a buyer who prioritizes LightBurn continuity and public setup resources. Its 110mm field still limits larger work. The verified Amazon offer was $1,299 on July 10, 2026, so the old $499 value comparison is no longer a valid reason to buy. Compare its exact current configuration and support terms with the similarly priced Monport 20W before checkout.
GWEIKE G2 Max 50W Fiber Laser Engraver
The GWEIKE G2 Max 50W is a Q-switched, 50W configuration for buyers prioritizing engraving speed over MOPA pulse control. The verified Amazon offer was $2,499 on July 10, 2026. Compare it against current 60W MOPA offers by exact source, controller, work area, and support rather than the expired $1,199 comparison.