Atomstack S20 Pro 20W vs Sculpfun S30 Ultra 33W
| Laser | ||
| Type | Diode Laser | Diode Laser |
| Wavelength | 445 nm | 455 nm |
| Optical Power | 20 W | 33 W |
| Performance | ||
| Work Area | 400 × 400 mm | 590 × 595 mm |
| Max Speed | 15,000 mm/min | 24,000 mm/min |
| Focus | Manual | Fixed |
| Features | ||
| Enclosure | Yes | No |
| Air Assist | Yes | Yes |
| Rotary Compatible | Yes | Yes |
| WiFi | Yes | No |
| Camera | No | No |
| Physical | ||
| Approx. Price | $699 | $770 |
| Release Year | 2023 | 2024 |
| Weight | 16 kg | 9.9 kg |
Pros & Cons
Atomstack S20 Pro 20W
What we like
- Enclosed design for safer home operation
- WiFi and USB connectivity
- Air assist included
- 20W for cutting and engraving
- Rotary attachment compatible
Watch out for
- No built-in camera
- Moderate engraving speed
- Heavier than open-frame alternatives
- No autofocus
Sculpfun S30 Ultra 33W
What we like
- 33W — cuts 20mm pine and 15mm black acrylic in one pass
- Huge 590×595mm base work area, expandable to 935×905mm
- Built-in auto air assist included
- 0.005mm high-precision linear slide rail X-axis
- Modular laser head — upgrade path within the S30 Ultra series
- Emergency stop switch and child safety lock
Watch out for
- Very large footprint (~800×840mm frame)
- No WiFi — Bluetooth and USB only
- No enclosure — open frame requires safe working environment
- Fixed focus (no motorised Z)
Compatible Materials
Atomstack S20 Pro 20W
WoodAcrylicLeatherCardboardFabricPaperRubberStoneMetal Engraving
Sculpfun S30 Ultra 33W
WoodAcrylicLeatherCardboardFabricPaperRubberStoneMetal Engraving
The Atomstack S20 Pro 20W costs $699 (9% less) than the Sculpfun S30 Ultra 33W, which is priced at $770.
The Sculpfun S30 Ultra 33W has 39% more optical power (33W vs 20W).
The Sculpfun S30 Ultra 33W offers a 54% larger work area (590 × 595 mm vs 400 × 400 mm).
The Sculpfun S30 Ultra 33W has a 38% higher maximum speed (24,000 mm/min vs 15,000 mm/min).
Feature-wise, Atomstack S20 Pro 20W includes an enclosure, while Sculpfun S30 Ultra 33W does not; Atomstack S20 Pro 20W includes WiFi connectivity, while Sculpfun S30 Ultra 33W does not.