AtomStack Kraft Lite 40W vs Sculpfun S40 Max 48W

What Kraft Lite 40W does better (2) and where S40 Max 48W wins (6) — every spec side by side.

AtomStack · 2025Kraft Lite 40W

9.6Score

2 advantages≈ US$1,100

Higher score

Sculpfun · 2025S40 Max 48W

8.7Score

6 advantages≈ US$1,150

7.2Power & cutting8.7

7.1Work area9.6

9.2Safety7.2

9.8Features & ease of use7.7

Why is Kraft Lite 40W better than S40 Max 48W?

Specifications

Only differences	AtomStack Kraft Lite 40W≈ US$1,1009.6	Sculpfun S40 Max 48W≈ US$1,1508.7
General
Laser sources	Blue diode (≈455 nm), Infrared diode (1064 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	40 W	48 W
Second laser output power	1.2 W	—
Work area
Work area	498 × 320 mm	830 × 800 mm
Work area width (X)	498 mm	830 mm
Work area depth (Y)	320 mm	800 mm
Work area (surface)	1,594 cm²	6,640 cm²
Conveyor / roll feeder support	Yes	—
Speed & cutting
Max engraving / travel speed	—	600 mm/s
Max cutting depth – wood / plywood (one pass)	18 mm	20 mm
Max cutting depth – acrylic	5 mm	—
Precision
Laser spot size	—	0.154 mm
Positioning accuracy	—	0.1 mm
Safety
Enclosed (fully covered)	Yes	No
Laser safety class	Class 1 (eye-safe, enclosed)	—
Flame / fire detection	Yes	Yes
Emergency stop button	Yes	Yes
Tilt / movement sensor	—	Yes
Built-in fume filter / purifier	—	Yes
Features
Air assist	Yes	Yes
Built-in camera	Yes	No
Autofocus / auto height	Yes	Yes
Touchscreen / control panel	—	Yes
Offline engraving (no computer)	—	Yes
Connectivity & software
Connections	—	USB, Wi-Fi
Wi-Fi	—	Yes
USB	—	Yes
Phone app control	—	Yes
Compatible software	—	LightBurn, LaserGRBL
LightBurn compatible	—	Yes
Size & power
Width	—	1,154 mm
Depth	—	1,113 mm
Height	—	240 mm
Weight	23.6 kg	15.2 kg
Rated power consumption	—	350 W