GWEIKE G2 Max 50W Fiber Laser Engraver vs xTool F1 Ultra 20W Fiber Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.
GWEIKE
$1199
xTool
$1299
Spec-by-Spec Comparison
| Spec | GWEIKE G2 Max 50W Fiber Laser Engraver | xTool F1 Ultra 20W Fiber Laser Engraver |
|---|---|---|
| Wattage | 50 W | 20 W |
| Laser Type | Q-Switched | Q-Switched |
| Laser Source | Raycus | Raycus |
| Work Area (W) | 150 mm | 220 mm |
| Work Area (H) | 150 mm | 220 mm |
| Galvo Speed | 15000 mm/s | 10000 mm/s |
| Color Marking | Yes | No |
| LightBurn | Yes | Yes |
| Autofocus | No | Yes |
| Weight | 6.5 kg | 4.5 kg |
| Software | LightBurn + EZCad | xTool Creative Space + LightBurn |
| Pulse Width | N/A (Q-Switched, 20–200kHz frequency range) | N/A (Q-Switched) |
| Price | $1199 | $1299 |
| Rating | 7.8/10 | 8.6/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
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
xTool F1 Ultra 20W Fiber Laser Engraver
Pros
- Best-in-class tumbler engraving results — hobbylasercutters.com called it 'the best result I ever got with tumblers, testing all types of lasers'; the two-pass method (diode removes coating, fiber polishes) with a chuck rotary produces showroom-quality marks
- 16MP built-in camera with AI auto-align — places jobs on multiple randomly-oriented pieces automatically in xTool XCS; a workflow advantage that competing machines requiring manual positioning cannot match
- 220×220mm base work area (expandable to 220×500mm with conveyor) — the largest effective work area of any portable fiber galvo in this tier; 400×400mm in earlier specs was an error
- xTool's US support and warranty service is the most responsive of any Chinese laser brand — English-speaking support with real turnaround times, not 24hr+ WhatsApp queues
- Fully enclosed with automatic safety shutoffs — safe to operate without OD5+ eyewear or a dedicated controlled workspace, unlike every open-frame competitor
Cons
- NOT a MOPA laser — the F1 Ultra is Q-switched fiber galvo; no controllable pulse width, no MOPA-quality vivid color on stainless; xTool explicitly reserves 'MOPA' for the F2 Ultra only
- LightBurn fill-engraving shift bug documented Dec 2024 — after a firmware update, fill layers shift 1cm+ mid-job in LightBurn; xTool XCS performs the same jobs correctly; advanced LightBurn users face workflow disruption
- Camera autofocus and AI auto-align are XCS-only — these signature features do not work in LightBurn; users who prefer LightBurn lose the core differentiating workflow features
- Autofocus calibration drifts over time — xTool support confirms autofocus can deviate over 0.5mm and requires periodic manual recalibration
- Fiber laser power reduction reports in xTool community — multiple threads document 'F1 Ultra fiber laser not firing' or 'drastically reduced power'; may indicate a reliability pattern worth tracking
Our Verdicts
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.
xTool F1 Ultra 20W Fiber Laser Engraver
The xTool F1 Ultra is the best-supported fiber laser in this price range for buyers who prioritize setup experience and safety over raw wattage or color marking. The enclosed design, 16MP camera, and xTool's responsive English-speaking support are genuinely differentiated. It is not a MOPA — color marking on stainless is limited to Q-switched thermal oxidation, not MOPA-grade vivid results. At $1,299, you're paying more than the ComMarker B4 60W MOPA ($1,099) for 20W vs 60W and no MOPA capability. The premium makes sense for buyers who want the smoothest possible onboarding and the safest enclosed workspace. It does not make sense for buyers optimizing for color marking throughput or raw wattage.