Acmer P1 S pro 48W vs Algolaser Alpha MK2 Extended 20W

What P1 S pro 48W does better (1) and where Alpha MK2 Extended 20W wins (5) — every spec side by side.

Acmer · 2023P1 S pro 48W

6.8Score

1 advantage≈ US$800

6.8Score

5 advantages≈ US$730

Higher score

9.4Power & cutting7.7

3.5Speed5.3

6.2Work area8.2

3.2Safety6.0

5.7Features & ease of use8.2

Why is P1 S pro 48W better than Alpha MK2 Extended 20W?

Specifications

Only differences	Acmer P1 S pro 48W≈ US$8006.8	Algolaser Alpha MK2 Extended 20W≈ US$7306.8
General
Laser sources	Blue diode (≈455 nm)	Blue diode (≈455 nm)
Motion system	Gantry (XY rails)	Gantry (XY rails)
Two laser sources	No	No
Wavelength	—	450 nm
Laser power
Laser output power	48 W	20 W
Work area
Work area	380 × 370 mm	400 × 410 mm
Work area width (X)	380 mm	400 mm
Work area depth (Y)	370 mm	410 mm
Work area (surface)	1,406 cm²	1,640 cm²
Work-area extension kit	—	Yes
Speed & cutting
Max engraving / travel speed	167 mm/s	333 mm/s
Precision
Laser spot size	—	0.175 mm
Safety
Enclosed (fully covered)	No	No
Flame / fire detection	No	No
Emergency stop button	—	Yes
Built-in fume filter / purifier	—	Yes
Features
Air assist	Yes	Yes
Built-in camera	No	Yes
Autofocus / auto height	No	No
Rotary attachment support	Yes	Yes
Offline engraving (no computer)	—	Yes
Connectivity & software
Compatible software	LightBurn	LightBurn, LaserGRBL
LightBurn compatible	Yes	Yes
File formats	JPG, PNG, BMP, GIF, SVG	—
Size & power
Width	—	650 mm
Depth	—	730 mm
Height	—	240 mm
Weight	—	6.5 kg