Atomstack A70 Max Laser Cutter vs Ortur LM3 40W
Technical comparison · Diode laser (405–460 nm)
A70 Max Laser Cutter and LM3 40W are two diode laser (405–460 nm) in a similar class. Choose A70 Max Laser Cutter if work area matters more; choose LM3 40W if price matters more.
| Parameter |
A70 Max Laser Cutter
Atomstack
F3 · Advanced
|
LM3 40W
Ortur
F2 · Intermediate
|
|---|---|---|
| Identity | ||
| Launch year | 2024 | 2023 |
| Use tier | F3 — Advanced | F2 — Intermediate |
| Price | ||
| Price (€) | ~1100–1500 € | ~600–800 € |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 105.6 × 116.8 × 23 cm | 65.8 × 62.5 × 15 cm |
| Weight (kg) | 15 kg | — |
| Work area (mm) | 850 × 800 mm | 400 × 380 mm |
| Power (W) | 360 W | — |
| Maximum speed | 400 mm/s | 20000 mm/min |
| Declared precision | 0.01 mm | 0.08 mm |
| Category specs | ||
| Work area (short side) (mm) | 800 mm | 380.0 mm |
| Rated power (W) | 70 W | 20.0 W |
| Source technology | Diode | Diode |
| Max travel speed (mm/s) | 400 mm/s | — |
| Max processing speed (mm/s) | 400 mm/s | 333.33 mm/s |
| Max cut depth per material | 25 mm (legno), 30 mm (acrilico) | 15mm Pine, 10mm Plywood, 8mm Black Acrylic |
| Wavelength (nm) | 455 nm | — |
| Min resolution (µm) | 10 µm | 80.0 µm |
| Autofocus | False | False |
| Rotary included/compatible | False | False |
| Passthrough | False | — |
| Supported software | Proprietary, LightBurn, Other | Proprietary, LightBurn, Other |
| Ecosystem | ||
| Cloud dependency | No | No |
| Software notes | The system offers excellent versatility in terms of software control, ensuring native compatibility with standard solutions in the maker industry. It fully supports LightBurn, the most popular professional application for laser cutting and engraving management, and LaserGRBL, an open-source alternative ideal for more straightforward operations. Additionally, the machine features wireless connectivity capabilities that allow file transmission and monitoring via a proprietary mobile application, optimizing the workshop workflow. The absence of restrictions tied to proprietary cloud ecosystems ensures complete offline operational continuity, protecting project privacy and ensuring that the machine remains fully functional regardless of local network conditions. | The LM3 uses firmware based on the open GRBL protocol, compatible with LightBurn (diode license ~$60 one-time), LaserGRBL (free, open-source), and the proprietary Ortur iOS/Android app with selectable novice and advanced modes. LightBurn offers advanced variable power control, path optimization, and optional camera alignment; LaserGRBL covers basic engraving tasks at no additional cost. The open GRBL protocol ensures compatibility with third-party tools and standard G-code generators. Communication is via USB; the Ortur app allows remote job launching via Wi-Fi without a connected PC. |
The differences that matter
- Work area: A70 Max Laser Cutter 850×800 mm vs LM3 40W 400×380 mm — A70 Max Laser Cutter wins (+347%)
- Price: A70 Max Laser Cutter 1300 € vs LM3 40W 700 € — LM3 40W wins (+86%)
Which one to choose
MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.