ComMarker B4 30W Fiber Laser Engraver vs xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver
Head-to-head spec comparison to help you pick the right fiber laser for your needs.
ComMarker
$1,799
xTool
Unavailable
Spec-by-Spec Comparison
| Spec | ComMarker B4 30W Fiber Laser Engraver | xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver |
|---|---|---|
| Wattage | 30 W | 20 W |
| Laser Type | Q-Switched | Q-Switched |
| Laser Source | Raycus | Not disclosed |
| Work Area (W) | 110 mm | 220 mm |
| Work Area (H) | 110 mm | 220 mm |
| Galvo Speed | 10000 mm/s | 10000 mm/s |
| Color Marking | No | No |
| LightBurn | Yes | Yes |
| Autofocus | No | Yes |
| Weight | 4.2 kg | 14.7 kg |
| Software | LightBurn + EZCad2 (LightBurn Galvo license required separately) | xTool Creative Space; basic LightBurn workflow supported |
| Pulse Width | N/A (Q-Switched) | N/A (Q-Switched) |
| Price | $1,799 | Unavailable |
| Rating | 8.2/10 | 8.6/10 |
| Buy on Amazon | Amazon offer unavailable (checked 2026-07-10) |
Pros & Cons
ComMarker B4 30W Fiber Laser Engraver
Pros
- The broader product evidence describes 110mm and 200mm lens options; verify which lenses are included in the exact current ASIN bundle
- Motorized electric Z-axis lifting reduces manual focus adjustment; verify the current controller and lift configuration with the seller
- LightBurn compatible with EZCad2 also included — both workflows supported; owners report LightBurn produces dramatically better deep engraving results than EZCad2 on this machine
- Deep engraving on aluminum, brass, steel, precious metals, and stone confirmed across multiple owner channels — 30W Raycus output handles production-depth marking reliably
- Handheld mode via detachable design — for large pieces or on-site marking that won't fit on the desktop platform, this is a workflow no other machine in this tier offers
Cons
- Q-switched only — no color marking on stainless steel; if color is needed, the separate B4 30W MOPA (ASIN B0DRY12JMW) has the JPT MOPA source; both use the B4 body but they are different machines
- LightBurn may require a separate Galvo license; confirm controller compatibility and licensing before checkout
- Initial LightBurn setup requires loading a markcfg7 config file and calibrating corfile field size for whichever lens is mounted — LightBurn forum threads show first-time owners spending hours on initial configuration
- No color marking — reinforcing the most important caveat: despite 'B4' appearing in ComMarker's MOPA lineup branding, this specific ASIN is the Raycus Q-switch variant; verify the ASIN if color marking is needed
- Customer support response is 24hr+ with documented language barriers — not viable for time-sensitive production downtime per LightBurn forum users
xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver
Pros
- 20W fiber and 20W diode sources cover metal engraving alongside common wood, acrylic, leather, and other diode-compatible work
- A 220×220mm base work area and camera-led XCS workflow support positioning and repeatable batch layouts
- The enclosure can create xTool's documented Class-1 operating conditions when it is fully closed, the exhaust pipe remains installed, and the enclosure-stop control is enabled
- Autofocus, smart fill, and camera-assisted positioning reduce manual setup for compatible XCS workflows
- The optional conveyor and rotary accessories extend the machine beyond flat, single-piece jobs
Cons
- xTool does not identify the F1 Ultra as a MOPA model, so it is not the family choice for controlled pulse-width color work
- LightBurn supports a basic processing workflow but not the machine's complete feature set; xTool directs full-feature use to XCS
- Camera-led automation and signature batch features remain dependent on xTool Creative Space
- At 14.7 kg, it is a desktop machine rather than a lightweight event engraver
- The fiber-source manufacturer is not disclosed in xTool's current official documentation
Our Verdicts
ComMarker B4 30W Fiber Laser Engraver
The ComMarker B4 30W is a Q-switched option for buyers prioritizing metal-marking speed and the included lens choices over MOPA pulse control. The verified Amazon offer was $1,799 on July 10, 2026. The OMTech ASIN referenced in older comparisons was out of stock, so compare this machine only with currently available, exact configurations.
xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver
The xTool F1 Ultra is a strong fit for buyers who need 20W fiber and 20W diode capability in one camera-guided desktop workflow. Its enclosure has conditional Class-1 operating conditions, not a blanket exemption from laser-safety controls, and its full automation remains XCS-dependent. It is not the MOPA choice for controlled pulse-width color work. The tracked Amazon offer remains out of stock, so Amazon buying exits and Offer structured data stay suppressed until a fresh eligible offer is verified.
xTool F1 Ultra 20W Fiber & Diode Dual Laser Engraver
No current Amazon offer