Ortur LM3 40W vs Sculpfun S30 Ultra 33W

Technical comparison · Diode laser (405–460 nm)

In brief

LM3 40W and S30 Ultra 33W are two diode laser (405–460 nm) in a similar class. Choose LM3 40W if price matters more; choose S30 Ultra 33W if work area matters more.

Parameter
Ortur LM3 40W LM3 40W Ortur F2 · Intermediate
Sculpfun S30 Ultra 33W S30 Ultra 33W Sculpfun F2 · Intermediate
Identity
Launch year 2023 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) ~600–800 € 1299.99 €
Universal specs
Dimensions (W×D×H) (cm) 65.8 × 62.5 × 15 cm 80 × 84 × 22 cm
Work area (mm) 400 × 380 mm 590 × 595 mm
Power (W) 156 W
Maximum speed 20000 mm/min
Declared precision 0.08 mm 0.005 mm
Category specs
Work area (short side) (mm) 380.0 mm 590 mm
Rated power (W) 20.0 W 33 W
Source technology Diode Diode
Max processing speed (mm/s) 333.33 mm/s
Max cut depth per material 15mm Pine, 10mm Plywood, 8mm Black Acrylic 20 mm (balsa wood), 15 mm (plywood), 15 mm (acrylic), 0.1 mm (steel)
Wavelength (nm) 455 nm
Min resolution (µm) 80.0 µm 5 µm
Autofocus False False
Rotary included/compatible False False
Passthrough False
Supported software Proprietary, LightBurn, Other LightBurn, Other
Ecosystem
Cloud dependency No No
Software notes 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. Compatible with LightBurn and LaserGRBL via USB or Bluetooth connection. Does not require the use of proprietary software.

The differences that matter

  • Work area: LM3 40W 400×380 mm vs S30 Ultra 33W 590×595 mm — S30 Ultra 33W wins (+131%)
  • Price: LM3 40W 700 € vs S30 Ultra 33W 1299.99 € — LM3 40W wins (+86%)

Which one to choose

Choose LM3 40W if…

you value price.

See the LM3 40W sheet →

Choose S30 Ultra 33W if…

you value work area.

See the S30 Ultra 33W sheet →

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.