About $100, I think. But seriously, to me, the significant differences would be the parallel/compression limb design of the hyperedge vs the more traditional vertical limb design of the prevail. You could anticipate the advantages and disadvantages of each one before you shoot them: parallel limbs will be comfortable to shoot due to the low amount of shock on the shot and may be a little faster. Drawback would be a low virtual brace height at full draw, so it may be more jittery, sensitive to handle torque and not hold on the target quite as well. Vertical limbs will give higher virtual brace height and will probably hold on target better, but will give more shock on the shot and may be a hair slower.
Other than that, it's strictly a you have to shoot them and see type proposition.
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