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  3. Glacier 90W vs S40 Max 48W

AtomStack Glacier 90W vs Sculpfun S40 Max 48W

What Glacier 90W does better (1) and where S40 Max 48W wins (5) — every spec side by side.

AtomStack Glacier 90W
AtomStack · 2025Glacier 90W
9.5Score
1 advantage≈ US$2,450
Higher score
vs
Sculpfun S40 Max 48W
Sculpfun · 2025S40 Max 48W
8.7Score
5 advantages≈ US$1,150
9.7Power & cutting8.7
9.5Work area9.6
3.2Safety7.2
5.2Features & ease of use7.7

Why is Glacier 90W better than S40 Max 48W?

  1. Laser output power90 W vs 48 W+88%

Why is S40 Max 48W better than Glacier 90W?

  1. Air assistNo · Glacier 90W: Yes
  2. Work area (surface)6,400 cm² vs 6,640 cm²+4%
  3. Weight31 kg vs 15.2 kg2×
  4. Flame / fire detectionNo · Glacier 90W: Yes
  5. Work area width (X)800 mm vs 830 mm+4%
Specifications

Side by side

AtomStack Glacier 90WAtomStack Glacier 90W≈ US$2,4509.5
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 power90 W48 W
Work area
Work area800 × 800 mm830 × 800 mm
Work area width (X)800 mm830 mm
Work area depth (Y)800 mm800 mm
Work area (surface)6,400 cm²6,640 cm²
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)—20 mm
Precision
Laser spot size—0.154 mm
Positioning accuracy—0.1 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoYes
Emergency stop button—Yes
Tilt / movement sensor—Yes
Built-in fume filter / purifier—Yes
Features
Air assistNoYes
Built-in cameraNoNo
Autofocus / auto heightYesYes
Touchscreen / control panelYesYes
Offline engraving (no computer)YesYes
Water coolingYes—
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
Weight31 kg15.2 kg
Rated power consumption—350 W
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