Glowforge Spark vs xTool S1 20W
| Laser | ||
| Type | Diode Laser | Diode Laser |
| Wavelength | 455 nm | 455 nm |
| Optical Power | 6 W | 20 W |
| Performance | ||
| Work Area | 203 × 305 mm | 498 × 319 mm |
| Max Speed | 8,000 mm/min | 36,000 mm/min |
| Focus | Autofocus | Autofocus |
| Features | ||
| Enclosure | Yes | Yes |
| Air Assist | No | Yes |
| Rotary Compatible | No | Yes |
| WiFi | Yes | Yes |
| Camera | Yes | Yes |
| Physical | ||
| Approx. Price | $899 | $1,099 |
| Release Year | 2024 | 2023 |
| Weight | 4.9 kg | 18 kg |
Pros & Cons
Glowforge Spark
What we like
- Easiest laser to get started with — ~30-minute setup
- Free Glowforge Print software works on any device (Mac, PC, tablet, phone)
- Built-in camera with live preview for material placement
- Class 1 enclosed — safe for home and classroom use
- Wide material library with auto-detected settings
Watch out for
- Cloud-dependent — requires internet for every job
- Small 203×305mm cutting area for the price
- Only 6W — limited cut depth and no thick stock
- Subscription costs for premium design catalogue
- Not compatible with LightBurn
xTool S1 20W
What we like
- Full enclosure for safe operation
- Built-in camera for precise positioning
- Autofocus saves setup time
- Extremely fast at 36,000 mm/min
- Excellent build quality and finish
Watch out for
- Premium price compared to open-frame alternatives
- Heavy at 18 kg — not easily portable
- Enclosure limits maximum material height
Compatible Materials
Glowforge Spark
WoodLeatherAcrylicCardboardFabricPaperRubber
xTool S1 20W
WoodAcrylicLeatherCardboardFabricPaperRubberStoneMetal EngravingAnodized Aluminum
The Glowforge Spark costs $899 (18% less) than the xTool S1 20W, which is priced at $1,099.
The xTool S1 20W has 70% more optical power (20W vs 6W).
The xTool S1 20W offers a 61% larger work area (498 × 319 mm vs 203 × 305 mm).
The xTool S1 20W has a 78% higher maximum speed (36,000 mm/min vs 8,000 mm/min).
Feature-wise, xTool S1 20W includes air assist, while Glowforge Spark does not; xTool S1 20W includes rotary attachment compatibility, while Glowforge Spark does not.