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  3. AL3 20W vs Ray7S 40W

Aufero AL3 20W vs Longer Ray7S 40W

What AL3 20W does better (0) and where Ray7S 40W wins (1) — every spec side by side.

Aufero AL3 20W
Aufero · 2025AL3 20W
0 advantages≈ US$600
vs
Longer Ray7S 40W
Longer · 2026Ray7S 40W
9.1Score
1 advantage≈ US$850
Higher score
7.7Power & cutting9.0

Why is AL3 20W better than Ray7S 40W?

AL3 20W has no measurable advantages in this pair.

Why is Ray7S 40W better than AL3 20W?

  1. Laser output power20 W vs 40 W2×
Specifications

Side by side

Aufero AL3 20WAufero AL3 20W≈ US$600
Longer Ray7S 40WLonger Ray7S 40W≈ US$8509.1
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power20 W40 W
Work area
Work area—305 × 310 mm
Work area width (X)—305 mm
Work area depth (Y)—310 mm
Work area (surface)—946 cm²
Speed & cutting
Max engraving / travel speed—600 mm/s
Precision
Laser spot size—0.06 mm
Safety
Enclosed (fully covered)—Yes
Laser safety class—Class 1 (eye-safe, enclosed)
Flame / fire detection—No
Features
Air assistYesYes
Built-in camera—No
Autofocus / auto height—No
Rotary attachment supportYes—
Offline engraving (no computer)—Yes
Connectivity & software
Connections—Wi-Fi
Wi-Fi—Yes
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