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  3. K1 12W vs X12 Pro

Acmer K1 12W vs AtomStack X12 Pro

What K1 12W does better (1) and where X12 Pro wins (3) — every spec side by side.

Acmer K1 12W
Acmer · 2025K1 12W
5.2Score
1 advantage≈ US$270
vs
AtomStack X12 Pro
AtomStack · 2025X12 Pro
6.6Score
3 advantages≈ US$230
Higher score
6.7Power & cutting6.7
4.0Precision8.1
3.9Work area5.7
9.6Safety4.9
2.9Features & ease of use2.5

Why is K1 12W better than X12 Pro?

  1. Enclosed (fully covered)Yes · X12 Pro: No

Why is X12 Pro better than K1 12W?

  1. Work area (surface)225 cm² vs 1,113 cm²4.9×
  2. Work area width (X)150 mm vs 365 mm2.4×
  3. Work area depth (Y)150 mm vs 305 mm2×
Specifications

Side by side

Acmer K1 12WAcmer K1 12W≈ US$2705.2
AtomStack X12 ProAtomStack X12 Pro≈ US$2306.6
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 W12 W
Work area
Work area150 × 150 mm365 × 305 mm
Work area width (X)150 mm365 mm
Work area depth (Y)150 mm305 mm
Work area (surface)225 cm²1,113 cm²
Speed & cutting
Max engraving / travel speed167 mm/s—
Precision
Laser spot size—0.06 mm
Positioning accuracy0.04 mm—
Linear rails—Yes
Safety
Enclosed (fully covered)YesNo
Flame / fire detectionNoNo
Tilt / movement sensor—Yes
Laser shield / filter cover—Yes
Features
Air assistNoNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Connectivity & software
Connections—USB
Wi-Fi—No
USB—Yes
Phone app control—Yes
Compatible softwareLightBurnLightBurn, LaserGRBL
LightBurn compatibleYesYes
File formats—JPG, SVG, PNG, BMP, PDF, G-code, DXF
Size & power
Width286 mm—
Depth273 mm—
Height190 mm—
Weight2.4 kg—
Rated power consumption—50 W
Input voltage—100–240 V
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