Compare the specs of the Brunswick Nirvana and Brunswick Mastermind Genius 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 | Nirvana | Mastermind Genius |
| Cover Name | ECS (Enhanced Composite Segmentation) | Honor Roll Hybrid |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 500 / 1500 SiaAir | 500 SiaAir / Royal Compound |
| Color | Red / Blue / Violet Solid | Black / Green / Gold Hybrid |
| Core Name | Nirvana Ultra Low RG Asymmetrical | Mastermind Ultra Low RG |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.477 | 2.488 |
| Total Diff. | 0.054 | 0.052 |
| Int. Diff. | 0.013 | 0.015 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |