Definitely makes no difference, since the non-A die will likely make its way to either an ITX-friendly card, or something cheap with abysmal VRM anyways.
You'll be more bound by limitations of power and cooling rather than GPU itself. That's how I f$#ed up when I bought my EVGA 1060 (without looking at PCB pics first, cause there were none at the time of purchase).
Ended up with this garbage:
View attachment 122394
Just in case I'm running it at 80% power limit. When my warranty runs out - I'm gonna beef it up with some more "fake" phases, more chokes and more caps (already have an eye on a potential ZF906 donor).