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
$3699
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 | $3699 |
| 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 $3,699, you're paying significantly 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, the safest enclosed workspace, and dual-laser versatility (fiber + diode). It does not make sense for buyers optimizing for color marking throughput, raw wattage, or price-per-watt value.