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  3. S1 3.5W vs C1 Mini 3W

Acmer S1 3.5W vs Sculpfun C1 Mini 3W

What S1 3.5W does better (1) and where C1 Mini 3W wins (3) — every spec side by side.

Acmer S1 3.5W
Acmer · 2023S1 3.5W
4.3Score
1 advantage≈ US$130
vs
Sculpfun C1 Mini 3W
Sculpfun · 2025C1 Mini 3W
4.8Score
3 advantages≈ US$100
Higher score
2.7Power & cutting2.5
9.4Precision9.4
2.9Work area3.5
3.2Safety3.2
2.4Features & ease of use2.7
Dimensions

Size comparison

S1 3.5WC1 Mini 3W
250 × 162250290 × 140250
S1 3.5WC1 Mini 3WDifference
Height162 mm140 mm+22 mm
Width250 mm290 mm−40 mm
Depth250 mm250 mm=
Weight1.5 kg1.1 kg+0.4 kg

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

Why is S1 3.5W better than C1 Mini 3W?

  1. Laser output power3.5 W vs 3 W+17%

Why is C1 Mini 3W better than S1 3.5W?

  1. Work area (surface)169 cm² vs 195 cm²+15%
  2. Weight1.5 kg vs 1.1 kg+36%
  3. Work area width (X)130 mm vs 150 mm+15%
Specifications

Side by side

Acmer S1 3.5WAcmer S1 3.5W≈ US$1304.3
Sculpfun C1 Mini 3WSculpfun C1 Mini 3W≈ US$1004.8
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power3.5 W3 W
Work area
Work area130 × 130 mm150 × 130 mm
Work area width (X)130 mm150 mm
Work area depth (Y)130 mm130 mm
Work area (surface)169 cm²195 cm²
Speed & cutting
Max engraving / travel speed167 mm/s—
Precision
Laser spot size0.04 mm0.04 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistNoNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment support—Yes
Connectivity & software
Connections—USB
Wi-Fi—No
USB—Yes
Compatible software—LightBurn, LaserGRBL
LightBurn compatible—Yes
Size & power
Width250 mm290 mm
Depth250 mm250 mm
Height162 mm140 mm
Weight1.5 kg1.1 kg
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