Atomstack S20 Pro 20W vs LaserPecker LP4
| Laser | ||
| Type | Diode Laser | Diode Laser |
| Wavelength | 445 nm | 455 nm |
| Optical Power | 20 W | 10 W |
| Performance | ||
| Work Area | 400 × 400 mm | 160 × 120 mm |
| Max Speed | 15,000 mm/min | 240,000 mm/min |
| Focus | Manual | Manual |
| Features | ||
| Enclosure | Yes | No |
| Air Assist | Yes | No |
| Rotary Compatible | Yes | Yes |
| WiFi | Yes | No |
| Camera | No | No |
| Physical | ||
| Approx. Price | $699 | $1,099 |
| Release Year | 2023 | 2023 |
| Weight | 16 kg | 4.23 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
LaserPecker LP4
What we like
- Portable at 4 kg — battery-powered operation possible
- Dual laser (diode + IR): engrave metals AND organic materials
- Galvo speed 4,000 mm/s — extremely fast for logos and batch production
- Built-in touchscreen for offline engraving without phone
- Works on 300+ materials, 8K resolution
Watch out for
- Tiny 160×120mm working area limits project size
- No WiFi — Bluetooth only (Dongle needed for PC)
- PowerPack battery for portable use sold separately
- No enclosure for eye safety — requires goggles and conical cover
Compatible Materials
Atomstack S20 Pro 20W
WoodAcrylicLeatherCardboardFabricPaperRubberStoneMetal Engraving
LaserPecker LP4
WoodLeatherAcrylicPaperGlassAnodized Aluminumstainless steelplasticFabricfoodStonesilicone
The Atomstack S20 Pro 20W costs $699 (36% less) than the LaserPecker LP4, which is priced at $1,099.
The Atomstack S20 Pro 20W has 50% more optical power (20W vs 10W).
The Atomstack S20 Pro 20W offers a 88% larger work area (400 × 400 mm vs 160 × 120 mm).
The LaserPecker LP4 has a 94% higher maximum speed (240,000 mm/min vs 15,000 mm/min).
Feature-wise, Atomstack S20 Pro 20W includes an enclosure, while LaserPecker LP4 does not; Atomstack S20 Pro 20W includes air assist, while LaserPecker LP4 does not; Atomstack S20 Pro 20W includes WiFi connectivity, while LaserPecker LP4 does not.