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  3. X40 Max vs S40 Max 48W

AtomStack X40 Max vs Sculpfun S40 Max 48W

What X40 Max does better (2) and where S40 Max 48W wins (5) — every spec side by side.

AtomStack X40 Max
AtomStack · 2025X40 Max
7.4Score
2 advantages≈ US$850
vs
Sculpfun S40 Max 48W
Sculpfun · 2025S40 Max 48W
8.7Score
5 advantages≈ US$1,150
Higher score
5.0Precision2.9
9.1Work area9.6
5.6Safety7.2
5.2Features & ease of use7.7

Why is X40 Max better than S40 Max 48W?

  1. Laser spot size0.1 mm vs 0.154 mm+54%
  2. Max cutting depth – wood / plywood (one pass)25 mm vs 20 mm+25%

Why is S40 Max 48W better than X40 Max?

  1. Work area (surface)3,200 cm² vs 6,640 cm²2.1×
  2. Autofocus / auto heightNo · X40 Max: Yes
  3. Work area depth (Y)400 mm vs 800 mm2×
  4. Flame / fire detectionNo · X40 Max: Yes
  5. Work area width (X)800 mm vs 830 mm+4%
Specifications

Side by side

AtomStack X40 MaxAtomStack X40 Max≈ US$8507.4
Sculpfun S40 Max 48WSculpfun S40 Max 48W≈ US$1,1508.7
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength—455 nm
Laser power
Laser output power—48 W
Work area
Work area800 × 400 mm830 × 800 mm
Work area width (X)800 mm830 mm
Work area depth (Y)400 mm800 mm
Work area (surface)3,200 cm²6,640 cm²
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)25 mm20 mm
Precision
Laser spot size0.1 mm0.154 mm
Positioning accuracy—0.1 mm
Linear railsYes—
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoYes
Emergency stop buttonYesYes
Tilt / movement sensor—Yes
Built-in fume filter / purifier—Yes
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoYes
Touchscreen / control panel—Yes
Offline engraving (no computer)—Yes
Connectivity & software
ConnectionsSD / USB driveUSB, Wi-Fi
Wi-Fi—Yes
USB—Yes
SD / TF cardYes—
Phone app controlYesYes
Compatible softwareLightBurn, LaserGRBLLightBurn, LaserGRBL
LightBurn compatibleYesYes
Size & power
Width—1,154 mm
Depth—1,113 mm
Height—240 mm
Weight—15.2 kg
Rated power consumption—350 W
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