It is perhaps a laughable commentary on the current mania for monetary stimulus that this feature is what seems to have inspired the most criticism of Bitcoin.. The knock on Bitcoin is that its fixed nature will cause an inevitable destructive deflation.
Still, the highly portable nature of both machines is impossible to knock, so if you're willing to be a tad more patient whilst working, and don't mind unusually small keyboards, both machines should handle whatever you throw at it -- albeit at its own lethargic pace.