Compare the specs of the Brunswick Mastermind Einstein and Brunswick Nirvana 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 Einstein | Nirvana |
| Cover Name | Relativity Hybrid Reactive | ECS (Enhanced Composite Segmentation) |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 500 / 2000 / 4000 SiaAir | 500 / 1500 SiaAir |
| Color | Red / Silver / Blue | Red / Blue / Violet Solid |
| Core Name | Modified Mastermind Asymmetric | Nirvana Ultra Low RG Asymmetrical |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.504 | 2.477 |
| Total Diff. | 0.048 | 0.054 |
| Int. Diff. | 0.013 | 0.013 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |