The Infinite One is at least a few boards stronger, probably more.
The Infinite has the Centrex Symmetrical Mass Bias Core, which is a bit stronger than the V2 core. The One core is one of the stronger asymetric cores on the market, and uses varying densities to create asymetry. The V2 core is known as one of the best and most predictable in bowling, and is a really good early rolling symmetrical core.
Cover wise, the Gamebreaker uses the gb 10.7 which has been used on the One and the SR 300. On the Gamebreaker, the out of box surface is 4000 if I'm not mistaken rather than 4000 + high gloss polish as was the One and the SR. The Infinite One uses the GBV 12.1, which is a stronger variation of the One cover. Out of box it comes at 500 grit.
Out of box, I'd consider the Gamebreaker to be 7-8 boards weaker on oil, at the same finish the difference would go down to 4 or so.
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