Compare the specs of the Brunswick Mastermind Strategy and Brunswick Fanatic BTU side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Brunswick | Brunswick |
| Ball Name | Mastermind Strategy | Fanatic BTU |
| Cover Name | Relativity Solid | BTU (Better Than Urethane) |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 500 / 2000 SiaAir | 500 / 1500 SiaAir |
| Color | Blue / Violet / Orange | Steel |
| Core Name | Modified Mastermind Asymmetric | Low Differential I-Block Symmetric |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.504 | 2.601 |
| Total Diff. | 0.048 | 0.030 |
| Int. Diff. | 0.013 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |