Callaway Big Bertha X-12 vs Callaway Steelhead X-14

Side-by-side factory specifications. Differing values are highlighted.

Callaway Big Bertha X-121998–2000 · Game Improvement Ironsinvestment cast · 17-4 stainless steel Callaway Steelhead X-142000–2002 · Game Improvement Ironsinvestment cast · stainless steel

Specification comparison

Club	Big Bertha X-12 loft	Steelhead X-14 loft	Big Bertha X-12 lie	Steelhead X-14 lie	Big Bertha X-12 length	Steelhead X-14 length
1	16	—	58.5	—	40	—
2	18.5	—	59.2	—	39.5	—
3	21	21	59.9	59.9	39	39
4	23.5	23.5	60.6	60.6	38.5	38.5
5	26	26	61.3	61.3	38	38
6	29	29	62	62	37.5	37.5
7	33	33	62.5	62.5	37	37
8	37.5	37.5	63.5	63.5	36.5	36.5
9	42	42	64.5	64.5	36	36
PW	46.5	46.5	65	65	35.5	35.75
AW	51	52	65	65	35.5	35.5
SW	55	55	65	65	35.5	35.25
LW	60	60	65	65	35.5	35

Highlighted cells differ between the two sets. Lofts and lies are factory standard.

Which should you choose?

The Steelhead X-14 is the weaker-lofted set — up to 1° weaker than the Big Bertha X-12. 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 Big Bertha X-12 specs and Callaway Steelhead X-14 specs.