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  3. S2 4W vs Swift Mini

Acmer S2 4W vs AtomStack Swift Mini

What S2 4W does better (5) and where Swift Mini wins (0) — every spec side by side.

Acmer S2 4W
Acmer · 2025S2 4W
4.9Score
5 advantages≈ US$140
Higher score
vs
AtomStack Swift Mini
AtomStack · 2025Swift Mini
3.8Score
0 advantages≈ US$75
2.9Power & cutting2.7
4.8Work area3.6
3.2Safety3.2
5.7Features & ease of use3.4

Why is S2 4W better than Swift Mini?

  1. Work area (surface)900 cm² vs 196 cm²4.6×
  2. Air assistYes · Swift Mini: No
  3. Laser output power4 W vs 3.5 W+14%
  4. Work area width (X)300 mm vs 135 mm2.2×
  5. Work area depth (Y)300 mm vs 145 mm2.1×

Why is Swift Mini better than S2 4W?

Swift Mini has no measurable advantages in this pair.

Specifications

Side by side

Acmer S2 4WAcmer S2 4W≈ US$1404.9
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power4 W3.5 W
Work area
Work area300 × 300 mm135 × 145 mm
Work area width (X)300 mm135 mm
Work area depth (Y)300 mm145 mm
Work area (surface)900 cm²196 cm²
Speed & cutting
Max engraving / travel speed167 mm/s—
Precision
Laser spot size0.06 mm—
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistYesNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYesYes
Connectivity & software
Compatible softwareLightBurnLightBurn, AtomStack Studio
LightBurn compatibleYesYes
Size & power
Width490 mm—
Depth500 mm—
Height195 mm—
Weight—2.6 kg
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