There are no pros or cons in the context of a consumer, nor a software developer beyond this:

Is it already a cheap commonplace item in this market segment? yes/no

Stuff like power consumption blah blah is for the interest of hardware developers. In other words, irrelevant. You can have a new CPU arch that actually generates electricity and reverse global warming, but I'm not going to write software for it until it's shipping in all of next year's dells.