Callaway Quantum Max Fast vs Callaway Quantum Max
Side-by-side factory specifications. Differing values are highlighted.
Specification comparison
| Club | Quantum Max Fast loft | Quantum Max loft | Quantum Max Fast lie | Quantum Max lie | Quantum Max Fast length | Quantum Max length |
|---|---|---|---|---|---|---|
| 4 | — | 19 | — | 60.375 | — | 39.125 |
| 5 | 22 | 22 | 60.75 | 61 | 38.75 | 38.5 |
| 6 | 25 | 25 | 61.375 | 61.625 | 38.125 | 37.875 |
| 7 | 28 | 29 | 62 | 62.25 | 37.5 | 37.25 |
| 8 | 32 | 33 | 62.5 | 62.875 | 36.875 | 36.625 |
| 9 | 37 | 37 | 63 | 63.5 | 36.25 | 36 |
| PW | 42 | 42 | 63.25 | 63.75 | 36 | 35.75 |
| AW | 46 | 47 | 63.5 | 64 | 35.75 | 35.5 |
| GW | 50 | 51 | 63.75 | 64 | 35.5 | 35.5 |
| SW | 56 | 55 | 64 | 64 | 35.25 | 35.25 |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- Quantum Max Fast
- Quantum Max
What the differences mean
At the 7-iron, the Quantum Max Fast is 28° and the Quantum Max is 29°, a 1° gap. Each degree of loft is worth roughly 3 to 4 yards of carry at the same swing speed, so the Quantum Max Fast should carry roughly 3 to 4 yards further with that club, on a slightly lower, shallower flight than the Quantum Max. Across the 9 clubs both sets share, the Quantum Max averages 0.3° weaker, with the largest gap at the 7-iron (28° vs 29°). Beyond loft, the Quantum Max Fast 7-iron sits 0.2° flatter (62° vs 62.25°), which nudges start direction slightly right for a right-hander; the Quantum Max Fast 7-iron is 0.25 inches longer (37.5" vs 37.25").
The sets are built differently: the Quantum Max Fast runs 5-iron to SW (9 clubs), the Quantum Max 4-iron to SW (10 clubs).
Both are game improvement irons, built for roughly 10 to 25 handicaps. Perimeter-weighted cavity backs with wider soles, more offset and stronger lofts, aimed at mid handicaps. 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.
The Quantum Max Fast is listed as two-piece Modern 360° Undercut cavity body with a Progressive Tri-Sole and urethane microspheres and the Quantum Max as two-piece Modern 360° Undercut cavity body with urethane microspheres. 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.
Both sets were introduced in 2026, so this is a choice between two models from the same lineup rather than an upgrade: Callaway designed them to sit side by side for different players.
Which should you choose?
The Quantum Max is the weaker-lofted set — up to 1° weaker than the Quantum Max Fast. That trades raw distance for a steeper landing angle and more predictable stopping power into greens.
Both charts are reproduced in full on their own pages: Callaway Quantum Max Fast specs and Callaway Quantum Max specs.
Frequently asked questions
Is the Callaway Quantum Max Fast stronger lofted than the Quantum Max?
Yes. The Callaway Quantum Max Fast 7-iron is 28° against 29° for the Quantum Max, 1° stronger, which is worth roughly 3 to 4 yards of extra carry with the same swing.
What is the loft difference between the Callaway Quantum Max Fast and Quantum Max?
At the 7-iron the difference is 1° (28° vs 29°). The largest gap on a shared club is 1° at the 7-iron, and 5 of the 9 shared clubs differ.
Are the Callaway Quantum Max Fast and Quantum Max aimed at the same golfer?
Yes. Both are game improvement irons, built for roughly 10 to 25 handicaps. Choose on feel, looks and gapping, ideally after hitting both.
Do the Callaway Quantum Max Fast and Quantum Max have the same lie and length?
Not exactly. At the 7-iron the Callaway Quantum Max Fast is 62° lie and 37.5 inches, the Quantum Max 62.25° and 37.25 inches. Both can be bent or built to your own fit.
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