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  3. S2 4W vs S2 7W

Acmer S2 4W vs Acmer S2 7W

What S2 4W does better (0) and where S2 7W wins (1) — every spec side by side.

Acmer S2 4W
Acmer · 2025S2 4W
4.9Score
0 advantages≈ US$140
vs
Acmer S2 7W
Acmer · 2025S2 7W
5.4Score
1 advantage≈ US$180
Higher score
2.9Power & cutting4.4
3.5Speed3.5
8.7Precision8.7
4.8Work area4.8
3.2Safety3.2
5.7Features & ease of use5.7
Dimensions

Size comparison

S2 4WS2 7W
490 × 195500490 × 195500
S2 4WS2 7WDifference
Height195 mm195 mm=
Width490 mm490 mm=
Depth500 mm500 mm=

Drawn to the same scale from the official dimensions (front and side).

Why is S2 4W better than S2 7W?

S2 4W has no measurable advantages in this pair.

Why is S2 7W better than S2 4W?

  1. Laser output power4 W vs 7 W+75%
Specifications

Side by side

Acmer S2 4WAcmer S2 4W≈ US$1404.9
Acmer S2 7WAcmer S2 7W≈ US$1805.4
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 W7 W
Work area
Work area300 × 300 mm300 × 300 mm
Work area width (X)300 mm300 mm
Work area depth (Y)300 mm300 mm
Work area (surface)900 cm²900 cm²
Speed & cutting
Max engraving / travel speed167 mm/s167 mm/s
Precision
Laser spot size0.06 mm0.06 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYesYes
Connectivity & software
Compatible softwareLightBurnLightBurn
LightBurn compatibleYesYes
Size & power
Width490 mm490 mm
Depth500 mm500 mm
Height195 mm195 mm
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