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  3. S2 20W vs R1 1.3W

Acmer S2 20W vs Ortur R1 1.3W

What S2 20W does better (7) and where R1 1.3W wins (1) — every spec side by side.

Acmer S2 20W
Acmer · 2025S2 20W
6.4Score
7 advantages≈ US$320
Higher score
vs
Ortur R1 1.3W
Ortur · 2025R1 1.3W
3.5Score
1 advantage≈ US$380
7.7Power & cutting2.0
3.5Speed2.2
8.7Precision3.3
4.8Work area2.3
3.2Safety7.7
5.7Features & ease of use2.2
Dimensions

Size comparison

S2 20WR1 1.3W
490 × 195500272 × 140250
S2 20WR1 1.3WDifference
Height195 mm140 mm+55 mm
Width490 mm272 mm+218 mm
Depth500 mm250 mm+250 mm

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

Why is S2 20W better than R1 1.3W?

  1. Laser output power20 W vs 1.3 W15.4×
  2. Work area (surface)900 cm² vs 100 cm²9×
  3. Max engraving / travel speed167 mm/s vs 83 mm/s2×
  4. Laser spot size0.06 mm vs 0.11 mm+83%
  5. Air assistYes · R1 1.3W: No
  6. Work area width (X)300 mm vs 100 mm3×
  7. Work area depth (Y)300 mm vs 100 mm3×

Why is R1 1.3W better than S2 20W?

  1. Enclosed (fully covered)No · S2 20W: Yes
Specifications

Side by side

Acmer S2 20WAcmer S2 20W≈ US$3206.4
Ortur R1 1.3WOrtur R1 1.3W≈ US$3803.5
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm), Infrared diode (1064 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength—450 nm
Laser power
Laser output power20 W1.3 W
Work area
Work area300 × 300 mm100 × 100 mm
Work area width (X)300 mm100 mm
Work area depth (Y)300 mm100 mm
Work area (surface)900 cm²100 cm²
Speed & cutting
Max engraving / travel speed167 mm/s83 mm/s
Precision
Laser spot size0.06 mm0.11 mm
Safety
Enclosed (fully covered)NoYes
Laser safety class—Class 1 (eye-safe, enclosed)
Flame / fire detectionNoNo
Tilt / movement sensor—Yes
Features
Air assistYesNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYes—
Connectivity & software
Connections—USB
Wi-Fi—No
USB—Yes
Phone app control—Yes
Compatible softwareLightBurn—
LightBurn compatibleYes—
Size & power
Width490 mm272 mm
Depth500 mm250 mm
Height195 mm140 mm
Weight—2.4 kg
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