GWEIKE G2 Pro 30W 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
$799
xTool
$1299
Spec-by-Spec Comparison
| Spec | GWEIKE G2 Pro 30W Fiber Laser Engraver | xTool F1 Ultra 20W Fiber Laser Engraver |
|---|---|---|
| Wattage | 30 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 + EZCad2 | xTool Creative Space + LightBurn |
| Pulse Width | N/A (Q-Switched, 20–200kHz frequency range) | N/A (Q-Switched) |
| Price | $799 | $1299 |
| Rating | 8.3/10 | 8.6/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
GWEIKE G2 Pro 30W Fiber Laser Engraver
Pros
- 15,000mm/s galvo speed — the fastest Q-switched fiber laser under $900 and 50% faster than the ComMarker B4 30W at $700; the throughput difference is measurable on production runs with any infill
- Wide 20–200kHz frequency range enables thermal oxidation color on stainless steel and titanium — GWEIKE documents '90+ colorful engravings' and DIY Life reviewer confirmed distinct greens and reds on stainless (Nov 2024)
- GWEIKE's LightBurn driver is the most actively maintained of any Chinese fiber laser brand — no COR file gymnastics, no galvo axis swap workarounds; direct native LightBurn galvo support out of box
- 150×150mm work area handles most knife blades, tumblers with rotary, and medium plaques without repositioning
- Active LightBurn settings ecosystem with documented community resources: a dedicated Etsy seller offers a 37-material LightBurn library specific to the G2 Pro 30W covering metals, plastics, and stone
Cons
- Color marking is thermal oxidation, not MOPA — results require experimentation per material and are less consistent and repeatable than a JPT MOPA machine; do not expect plug-and-play stainless color
- Focus height calibration is measured from lens center, not machine frame — GWEIKE's manual doesn't clarify this; every new owner mis-sets focus initially and must recalibrate by sound and burn quality (LightBurn forum, Feb 2026)
- Customer service is WhatsApp-only with inconsistent quality — best-lasercutter.com rates it 'a gamble'; not viable for production-critical environments with tight turnaround requirements
- Built-in fume extraction fan is insufficient for real engraving sessions — an external fume extractor ($80–$120) is a practical requirement, not an optional accessory
- Native G-Laser software is frustrating and feature-poor — nearly all users switch immediately to LightBurn; do not evaluate the machine on G-Laser
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 Pro 30W Fiber Laser Engraver
The GWEIKE G2 Pro is the fastest Q-switched fiber laser under $900 and the only machine in this price range that can produce visible thermal oxidation color on stainless steel without a MOPA source. The color is not MOPA-quality — it requires experimentation and is inconsistent batch-to-batch — but it exists, and nothing else at $799 can say the same. For deep engraving at maximum speed with color as a secondary capability, nothing competes. For consistent, repeatable color marking on tumblers or jewelry production, the OMTech 30W MOPA at $100 less is the more appropriate choice — it delivers true MOPA color repeatability that the G2 Pro's frequency tuning cannot match.
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.