Callaway Big Bertha B21 vs Callaway Big Bertha (2023)
Side-by-side factory specifications. Differing values are highlighted.
Callaway Big Bertha B21cast with an A.I.-designed Flash Face Cup · stainless body with a Flash Face Cup, Visible Tungsten Energy Core and urethane microspheresCallaway Big Bertha (2023)investment cast, multi-material · cast stainless steel with an A.I.-designed Flash Face Cup, tungsten weighting and urethane microspheres
Specification comparison
| Club | Big Bertha B21 loft | Big Bertha (2023) loft | Big Bertha B21 lie | Big Bertha (2023) lie | Big Bertha B21 length | Big Bertha (2023) length |
|---|---|---|---|---|---|---|
| 4 | 19 | 18 | 60.5 | 60.5 | 38.75 | 38.75 |
| 5 | 22 | 21 | 61.3 | 61.25 | 38.125 | 38.125 |
| 6 | 25 | 24 | 62 | 62 | 37.5 | 37.5 |
| 7 | 29 | 27 | 62.5 | 62.5 | 37 | 37 |
| 8 | 33 | 31.5 | 63 | 63 | 36.5 | 36.5 |
| 9 | 38 | 36.5 | 63.5 | 63.5 | 36 | 36 |
| PW | 43 | 42 | 64 | 64 | 35.75 | 35.75 |
| AW | 48 | 47 | 64 | 64 | 35.5 | 35.5 |
| GW | — | 52 | — | 64 | — | 35.25 |
| SW | 54 | 56 | 64 | 64 | 35.25 | 35 |
| LW | 60 | — | 64 | — | 35 | — |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Which should you choose?
The Big Bertha (2023) is the stronger-lofted set — up to 2° stronger than the Big Bertha B21 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 Big Bertha B21 specs and Callaway Big Bertha (2023) specs.