Callaway X-16 Pro Series vs Callaway X-18 Pro Series
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | X-16 Pro Series loft | X-18 Pro Series loft | X-16 Pro Series lie | X-18 Pro Series lie | X-16 Pro Series length | X-18 Pro Series length |
|---|---|---|---|---|---|---|
| 1 | 16 | — | 58.5 | — | 40 | — |
| 2 | 18 | 18 | 59.2 | 59.2 | 39.5 | 39.5 |
| 3 | 21 | 21 | 59.9 | 59.9 | 39 | 39 |
| 4 | 24 | 23.5 | 60.6 | 60.6 | 38.5 | 38.5 |
| 5 | 27 | 26 | 61.3 | 61.3 | 38 | 38 |
| 6 | 30 | 29 | 62 | 62 | 37.5 | 37.5 |
| 7 | 34 | 33 | 62.5 | 62.5 | 37 | 37 |
| 8 | 38 | 37 | 63.5 | 63.5 | 36.5 | 36.5 |
| 9 | 42 | 41 | 64.5 | 64.5 | 36 | 36 |
| PW | 46 | 46 | 65 | 65 | 35.5 | 35.5 |
| AW | 50 | 51 | 65 | 65 | 35.5 | 35.5 |
| SW | 54 | 56 | 65 | 65 | 35.25 | 35.25 |
| LW | 58 | 60 | 65 | 65 | 35 | 35 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- X-16 Pro Series
- X-18 Pro Series
What the differences mean
At the 7-iron, the X-16 Pro Series is 34° and the X-18 Pro Series is 33°, a 1° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the X-18 Pro Series should carry roughly 3 to 4 yards further with that club, on a slightly lower, shallower flight than the X-16 Pro Series. Across the 12 clubs both sets share, the differences roughly cancel out, with the largest gap at the SW (54° vs 56°).
The sets are built differently: the X-16 Pro Series runs 1-iron to LW (13 clubs), the X-18 Pro Series 2-iron to LW (12 clubs).
Both are players irons, built for roughly scratch to 10 handicaps. Small-to-mid cavity backs with traditional lofts, modest offset and workable shaping for low-handicap players. Because they target the same golfer, the decision comes down to the specific loft, feel and shaping differences rather than who the sets are made for.
Both heads are listed as investment cast. With the build method this similar, differences in feel come down to head size, sole width, topline and offset rather than how the heads are made.
The X-18 Pro Series arrived 2 years after the X-16 Pro Series, a typical one-generation refresh. Changes over that span are usually incremental: refined face thickness, revised weighting, updated looks and small loft tweaks rather than a new concept. Here the 7-iron loft moved from 34° to 33°.
Which should you choose?
The X-18 Pro Series is the stronger-lofted set — up to 2° stronger than the X-16 Pro Series on matching clubs. Expect longer carry per numbered iron but a flatter descent angle; gapping at the wedge end is where that shows up.
Both charts are reproduced in full on their own pages: Callaway X-16 Pro Series specs and Callaway X-18 Pro Series specs.
Frequently asked questions
Is the Callaway X-16 Pro Series stronger lofted than the X-18 Pro Series?
No. The X-18 Pro Series is the stronger-lofted set: its 7-iron is 33° against 34° for the Callaway X-16 Pro Series, 1° stronger and worth roughly 3 to 4 yards of extra carry.
What is the loft difference between the Callaway X-16 Pro Series and X-18 Pro Series?
At the 7-iron the difference is 1° (34° vs 33°). The largest gap on a shared club is 2° at the SW, and 9 of the 12 shared clubs differ.
Are the Callaway X-16 Pro Series and X-18 Pro Series aimed at the same golfer?
Yes. Both are players irons, built for roughly scratch to 10 handicaps. Choose on feel, looks and gapping, ideally after hitting both.
Do the Callaway X-16 Pro Series and X-18 Pro Series have the same lie and length?
At the 7-iron, yes: both are 62.5° lie and 37 inches long.
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