xTool F1 Ultra vs ComMarker B4 20W
Spec-by-spec breakdown of the xTool F1 Ultra and the ComMarker B4 20W: scores, pricing, cutting performance, software, and what each machine is really best at.
8.4
xTool F1 UltraxTool · Hybrid
A compact desktop machine combining a 20W fiber laser and 20W diode. The fiber module marks bare metal: stainless steel, aluminum, brass: without spray. Ideal for jewelry, knives, and metal gifts. Premium price for a small work area.
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8.5
ComMarker B4 20WComMarker · Fiber
The ComMarker B4 is a popular entry-level fiber galvo engraver for jewelry, tools, and metal gifts. Marks stainless, aluminum, and brass without spray. Small marking field: not a cutter for wood or acrylic.
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xTool F1 Ultra
5 spec wins
xTool F1 Ultra wins on
ComMarker B4 20W
4 spec wins
ComMarker B4 20W wins on
Overall, the ComMarker B4 20W takes it: 8.5 vs 8.4 in our scoring.
| Spec | xTool F1 Ultra | ComMarker B4 20W |
|---|---|---|
| Overview | ||
| Brand | xTool | ComMarker |
| Laser type | Hybrid (fiber + diode) | Fiber |
| Main focus | Best for marking, logos, and detail work | Best for marking, logos, and detail work |
| Main objective | Direct bare-metal marking for jewelry, tools & personalization | Affordable fiber marking for metal personalization and small business |
| Best for |
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| Scores | ||
| Score | 8.4 | Best8.5 |
| Value score | 7.2 | Best8.9 |
| Ease of use | Best9.0 | 8.4 |
| Capability | 8.4 | 8.4 |
| Build quality | Best9.0 | 8.3 |
| Pricing | ||
| Price | $3,499 – $3,999 3.219 € – 3.679 € | Best $1,299 – $1,899 1.195 € – 1.747 € |
| Hardware | ||
| Power | 20W fiber + 20W diode | 20W fiber |
| Work area | 100 × 100 mm | Best110 × 110 mm typical marking area |
| Precision | Best0.00199 mm | 0.01 mm |
| Real-world performance | ||
| Sample engrave | Filled logo on stainless steel plate ~3–6 min · 10 × 10 cm (4 × 4 in) | Filled logo on stainless steel plate ~2–5 min · 10 × 10 cm (4 × 4 in) |
| Sample cut | Laser cutting Not a cutter | Laser cutting Not a cutter |
| Spot size | ~0.02 mm fiber spot | ~0.02 mm fiber spot |
| Max speed | 15,000 mm/s | 7,000 mm/s |
| Materials | ||
| Engraves | Best
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| Cuts | Best
| — |
| Cannot do |
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| Software & connectivity | ||
| Software | xTool Creative Space, LightBurn | ComMarker, LightBurn, EZCAD |
| Connectivity | Wi-Fi, USB | USB, Ethernet |
| Verdict | ||
| TL;DR | A compact desktop machine combining a 20W fiber laser and 20W diode. The fiber module marks bare metal: stainless steel, aluminum, brass: without spray. Ideal for jewelry, knives, and metal gifts. Premium price for a small work area. | The ComMarker B4 is a popular entry-level fiber galvo engraver for jewelry, tools, and metal gifts. Marks stainless, aluminum, and brass without spray. Small marking field: not a cutter for wood or acrylic. |
| Pros |
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| Cons |
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“Best” highlights the strongest spec on paper for that row only — not an overall buying recommendation.
Frequently asked questions
Which is better: xTool F1 Ultra or ComMarker B4 20W?
In our scoring, the ComMarker B4 20W comes out ahead with 8.5/10 overall versus 8.4/10 for the xTool F1 Ultra. The detailed table above shows exactly where each machine wins.
Which is cheaper: xTool F1 Ultra or ComMarker B4 20W?
The ComMarker B4 20W is the more affordable option, starting around $1,299, versus $3,499 for the xTool F1 Ultra.
Which is better for a beginner: xTool F1 Ultra or ComMarker B4 20W?
The xTool F1 Ultra is the easier machine to start with: it scores 9.0/10 for ease of use, versus 8.4/10 for the ComMarker B4 20W.
What is the main difference between the xTool F1 Ultra and the ComMarker B4 20W?
The xTool F1 Ultra is a Hybrid laser geared toward engraving, while the ComMarker B4 20W is a Fiber laser geared toward engraving. That difference drives most of the gaps you see in the comparison table.