21 Oct 2026Laser & CNC machines 406Brands 30Comparisons 1,278
PROCESSINGTALKlaser cutters, engravers & CNC routers
TrendingASCARVA 3S ▲Pronto 35 60W ▲GPro Vision Split MOPA 60W ▲Master 50WS2 Pro 36WPM 60WPRONAX ForgeHydra 9 Gen2 38WSwift
  1. Processing Talk
  2. Compare
  3. A20 Pro V2 vs Ray7 20W

AtomStack A20 Pro V2 vs Longer Ray7 20W

What A20 Pro V2 does better (4) and where Ray7 20W wins (2) — every spec side by side.

AtomStack A20 Pro V2
AtomStack · 2024A20 Pro V2
7.2Score
4 advantages≈ US$370
vs
Longer Ray7 20W
Longer · 2026Ray7 20W
8.0Score
2 advantages≈ US$430
Higher score
7.3Power & cutting7.7
6.1Speed8.0
4.7Precision5.7
6.5Work area5.3
6.4Safety6.9
7.4Features & ease of use6.9

Why is A20 Pro V2 better than Ray7 20W?

  1. Work area (surface)1,460 cm² vs 946 cm²+54%
  2. Positioning accuracy0.02 mm vs 0.06 mm3×
  3. Work area width (X)400 mm vs 305 mm+31%
  4. Work area depth (Y)365 mm vs 310 mm+18%

Why is Ray7 20W better than A20 Pro V2?

  1. Laser spot size0.1 mm vs 0.06 mm+67%
  2. Max engraving / travel speed400 mm/s vs 600 mm/s+50%
Specifications

Side by side

Longer Ray7 20WLonger Ray7 20W≈ US$4308.0
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength455 nm—
Laser power
Laser output power20 W20 W
Work area
Work area400 × 365 mm305 × 310 mm
Work area width (X)400 mm305 mm
Work area depth (Y)365 mm310 mm
Work area (surface)1,460 cm²946 cm²
Speed & cutting
Max engraving / travel speed400 mm/s600 mm/s
Max cutting depth – wood / plywood (one pass)17 mm—
Max cutting depth – acrylic15 mm—
Precision
Laser spot size0.1 mm0.06 mm
Positioning accuracy0.02 mm0.06 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionYesYes
Emergency stop button—Yes
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYes—
Offline engraving (no computer)—Yes
Connectivity & software
ConnectionsUSB, Wi-FiWi-Fi
Wi-FiYesYes
USBYes—
Compatible softwareLightBurn, LaserGRBL, AtomStack Studio—
LightBurn compatibleYes—
File formatsJPG, SVG, PNG, BMP, PDF, G-code, DXF—
Size & power
Width178 mm—
Depth254 mm—
Height178 mm—
Weight6 kg—
Rated power consumption120 W—
To compare: 0up to 4 models
Compare