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  3. S2 12W vs S2 20W

Acmer S2 12W vs Acmer S2 20W

What S2 12W does better (0) and where S2 20W wins (1) — every spec side by side.

Acmer S2 12W
Acmer · 2025S2 12W
6.2Score
0 advantages≈ US$215
vs
Acmer S2 20W
Acmer · 2025S2 20W
6.4Score
1 advantage≈ US$320
Higher score
6.7Power & cutting7.7
3.5Speed3.5
8.7Precision8.7
4.8Work area4.8
3.2Safety3.2
5.7Features & ease of use5.7
Dimensions

Size comparison

S2 12WS2 20W
490 × 195500490 × 195500
S2 12WS2 20WDifference
Height195 mm195 mm=
Width490 mm490 mm=
Depth500 mm500 mm=

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

Why is S2 12W better than S2 20W?

S2 12W has no measurable advantages in this pair.

Why is S2 20W better than S2 12W?

  1. Laser output power12 W vs 20 W+67%
Specifications

Side by side

Acmer S2 12WAcmer S2 12W≈ US$2156.2
Acmer S2 20WAcmer S2 20W≈ US$3206.4
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power12 W20 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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