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  3. C4 Pro vs XE-Ultra Core

AtomStack C4 Pro vs FoxAlien XE-Ultra Core

What C4 Pro does better (0) and where XE-Ultra Core wins (4) — every spec side by side.

AtomStack C4 Pro
AtomStack · 2025C4 Pro
5.5Score
0 advantages≈ US$710
vs
FoxAlien XE-Ultra Core
FoxAlien · 2026XE-Ultra Core
9.2Score
4 advantages≈ US$1,400
Higher score
3.6Speed7.0
7.2Work area8.1

Why is C4 Pro better than XE-Ultra Core?

C4 Pro has no measurable advantages in this pair.

Why is XE-Ultra Core better than C4 Pro?

  1. Max engraving / travel speed33 mm/s vs 83 mm/s2.5×
  2. Work area (surface)1,764 cm² vs 1,936 cm²+10%
  3. Work area width (X)420 mm vs 440 mm+5%
  4. Work area depth (Y)420 mm vs 440 mm+5%
Specifications

Side by side

AtomStack C4 ProAtomStack C4 Pro≈ US$7105.5
FoxAlien XE-Ultra CoreFoxAlien XE-Ultra Core≈ US$1,4009.2
General
Motion systemGantry (XY rails)Gantry (XY rails)
Work area
Work area420 × 420 mm440 × 440 mm
Work area width (X)420 mm440 mm
Work area depth (Y)420 mm440 mm
Work area (surface)1,764 cm²1,936 cm²
Z travel—120 mm
Speed & cutting
Max engraving / travel speed33 mm/s83 mm/s
Precision
Closed-loop motors / servos—Yes
Linear rails—Yes
Ball screws—Yes
Features
Rotary attachment supportYes—
Laser module option (CNC)Yes—
Tool length / Z probe—Yes
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