Compare the specs of the Brunswick Quantum Bias Pearl and Brunswick Method Solid 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 | Quantum Bias Pearl | Method Solid |
| Cover Name | ECA-XR Pearl | Synthesis Solid |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 500 SiaAir / Crown Factory Compound | 500 / 2000 SiaAir |
| Color | Ultramarine | Cosmic Blue / Purple / Black |
| Core Name | Quantum Mushroom High RG Asymmetric | Magnitude 055 High Diff |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.563 | 2.499 |
| Total Diff. | 0.052 | 0.055 |
| Int. Diff. | 0.013 | 0.000 |
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