Callaway Big Bertha vs Callaway Big Bertha X-12

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

Callaway Big Bertha1994–1996 · Game Improvement Ironsinvestment cast · 17-4 stainless steel Callaway Big Bertha X-121998–2000 · Game Improvement Ironsinvestment cast · 17-4 stainless steel

Specification comparison

Club	Big Bertha loft	Big Bertha X-12 loft	Big Bertha lie	Big Bertha X-12 lie	Big Bertha length	Big Bertha X-12 length
1	16	16	58.5	58.5	40	40
2	18.5	18.5	59.2	59.2	39.5	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	35.5
AW	50.8	51	65	65	35.5	35.5
SW	55	55	65	65	35.5	35.5
LW	60	60	65	65	35.5	35.5

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

Which should you choose?

The Big Bertha X-12 is the weaker-lofted set — up to 0.2° weaker than the Big Bertha. 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 specs and Callaway Big Bertha X-12 specs.