ComMarker B4 20W vs xTool F1 Fiber + Diode
| Laser | ||
| Type | Fiber Laser | Fiber Laser |
| Wavelength | 1,064 nm | 1,064 nm |
| Optical Power | 20 W | 2 W |
| Performance | ||
| Work Area | 150 × 150 mm | 115 × 115 mm |
| Max Speed | 600,000 mm/min | 240,000 mm/min |
| Focus | Manual | Fixed |
| Features | ||
| Enclosure | No | Yes |
| Air Assist | No | No |
| Rotary Compatible | Yes | Yes |
| WiFi | No | Yes |
| Camera | No | No |
| Physical | ||
| Approx. Price | $1,399 | $1,499 |
| Release Year | 2022 | 2023 |
| Weight | 11 kg | 4.5 kg |
Pros & Cons
ComMarker B4 20W
What we like
- Compact and portable at only 11 kg
- Affordable entry into professional fiber laser engraving
- Available in 20W/30W/50W/100W variants
- Works with EzCad2 and LightBurn
- Strong community and accessory ecosystem
Watch out for
- No autofocus (manual or separate motorized lift table)
- Standard 110×110mm work area is small (optional lens required for 200×200mm)
- USB-only connectivity (no Wi-Fi)
- No built-in enclosure or camera
xTool F1 Fiber + Diode
What we like
- Dual laser: fiber for metal, diode for organics
- Extremely fast galvo head (4,000 mm/s)
- Compact and portable at 4.5 kg
- Marks bare metal, stainless steel, gold, silver
- Enclosed for safe operation
Watch out for
- Small 115×115mm work area
- Fixed focus — no adjustment for tall objects
- Cannot cut materials
- Premium price for a small work area
Compatible Materials
ComMarker B4 20W
steelaluminumbrasscopperAnodized AluminumtitaniumgoldsilverLeathercoated metals
xTool F1 Fiber + Diode
Metal EngravingAnodized AluminumGlassStoneLeatherRubber
The ComMarker B4 20W costs $1,399 (7% less) than the xTool F1 Fiber + Diode, which is priced at $1,499.
The ComMarker B4 20W has 90% more optical power (20W vs 2W).
The ComMarker B4 20W offers a 41% larger work area (150 × 150 mm vs 115 × 115 mm).
The ComMarker B4 20W has a 60% higher maximum speed (600,000 mm/min vs 240,000 mm/min).
Feature-wise, xTool F1 Fiber + Diode includes an enclosure, while ComMarker B4 20W does not; xTool F1 Fiber + Diode includes WiFi connectivity, while ComMarker B4 20W does not.