Atomstack A20 Pro vs Sculpfun iCube Ultra 12W
| Laser | ||
| Type | Diode Laser | Diode Laser |
| Wavelength | 445 nm | 455 nm |
| Optical Power | 20 W | 12 W |
| Performance | ||
| Work Area | 410 × 400 mm | 150 × 150 mm |
| Max Speed | 15,000 mm/min | 10,000 mm/min |
| Focus | Manual | Autofocus |
| Features | ||
| Enclosure | No | Yes |
| Air Assist | Yes | No |
| Rotary Compatible | Yes | Yes |
| WiFi | No | No |
| Camera | No | No |
| Physical | ||
| Approx. Price | $429 | $329 |
| Release Year | 2022 | 2025 |
| Weight | 5.5 kg | 5.95 kg |
Pros & Cons
Atomstack A20 Pro
What we like
- 20W power at a competitive price
- Air assist included in the box
- Can cut 10mm pine in one pass
- Rotary attachment compatible
- Established brand with good support
Watch out for
- No enclosure
- No WiFi connectivity
- Moderate speed at 15,000 mm/min
Sculpfun iCube Ultra 12W
What we like
- Class 1 safety certification — fully enclosed, door-interlock protected
- 12W diode cuts 10mm paulownia in one pass
- Built-in multi-layer smoke filtration system
- Compact and portable at 5.95 kg — smallest 12W enclosed laser
- Auto-focus for hands-off setup
- Optional dual-laser version adds 1.2W IR for marking metals
Watch out for
- Small 150×150mm work area
- Bluetooth/USB only — no WiFi
- Air assist sold as separate accessory
- Camera available as separate accessory only
Compatible Materials
Atomstack A20 Pro
WoodAcrylicLeatherCardboardFabricPaperRubberStoneMetal Engraving
Sculpfun iCube Ultra 12W
WoodLeatherAcrylicCardboardFabricPaperRubberStoneMetal Engraving
The Sculpfun iCube Ultra 12W costs $329 (23% less) than the Atomstack A20 Pro, which is priced at $429.
The Atomstack A20 Pro has 40% more optical power (20W vs 12W).
The Atomstack A20 Pro offers a 86% larger work area (410 × 400 mm vs 150 × 150 mm).
The Atomstack A20 Pro has a 33% higher maximum speed (15,000 mm/min vs 10,000 mm/min).
Feature-wise, Sculpfun iCube Ultra 12W includes an enclosure, while Atomstack A20 Pro does not; Atomstack A20 Pro includes air assist, while Sculpfun iCube Ultra 12W does not.