FoxAlien LE-4040 Pro 20W vs Sculpfun S30 Pro Max 20W

What LE-4040 Pro 20W does better (3) and where S30 Pro Max 20W wins (3) — every spec side by side.

FoxAlien · 2021LE-4040 Pro 20W

5.5Score

3 advantages≈ US$360

Sculpfun · 2022S30 Pro Max 20W

7.3Score

3 advantages≈ US$480

Higher score

7.7Power & cutting7.7

2.5Precision6.8

6.7Work area6.1

3.2Safety3.2

2.7Features & ease of use6.6

Why is LE-4040 Pro 20W better than S30 Pro Max 20W?

Specifications

Only differences	FoxAlien LE-4040 Pro 20W≈ US$3605.5	Sculpfun S30 Pro Max 20W≈ US$4807.3
General
Laser sources	Blue diode (≈455 nm)	Blue diode (≈455 nm)
Motion system	Gantry (XY rails)	Gantry (XY rails)
Two laser sources	No	No
Wavelength	—	455 nm
Laser power
Laser output power	20 W	20 W
Work area
Work area	400 × 400 mm	370 × 360 mm
Work area width (X)	400 mm	370 mm
Work area depth (Y)	400 mm	360 mm
Work area (surface)	1,600 cm²	1,332 cm²
Max workpiece height	30 mm	—
Precision
Laser spot size	—	0.1 mm
Positioning accuracy	0.1 mm	0.005 mm
Safety
Enclosed (fully covered)	No	No
Flame / fire detection	No	No
Features
Air assist	No	Yes
Built-in camera	No	No
Autofocus / auto height	No	No
Rotary attachment support	Yes	Yes
Offline engraving (no computer)	—	Yes
Connectivity & software
Connections	USB	USB, Wi-Fi, Bluetooth, SD / USB drive
Wi-Fi	No	Yes
USB	Yes	Yes
Bluetooth	—	Yes
SD / TF card	—	Yes
Compatible software	LightBurn, LaserGRBL, Candle	LightBurn, LaserGRBL
LightBurn compatible	Yes	Yes
Size & power
Width	640 mm	—
Depth	580 mm	—
Height	230 mm	—
Rated power consumption	—	120 W