Battery life is a qualitative concept. Show me comparative energy usage for a different set of tasks and I get interested.1) Battery life under typical mobile conditions
Like I said: AMD is better at the peripheral but fails at the main actor. There appear to exist some people for whom this matters, but there are obviously not a lot of them.2) Integrated graphics - if you don't plan on having a discreet GPU then AMD win hands down
The reason is simple: the biggest use case of a GPU is to scroll text. Even Intel graphics are good enough for that. (This is the same argument I've been making for tablet SoCs.) Intel has been putting just enough GPU power on its CPUs it can get away with, because it understands very well that putting a faster one won't materially increase their value, unlike CPU performance. It's only now that even blazing fast CPUs are starting to succumb to Moore's curves that they are piecemeal increasing their share of the die. You can only put so making CPU cores on a desktop machine. But I don't doubt for a moment that they'd not have done so if there were bigger increases possible in single threaded execution.
3) is a largely non-existing market for now. Once it's not, it won't take much to come in and take over.3) Tablets: Atom is shit and IVB is incredibly expensive and still too hot for fanless. Jaguar will the be ideal mobile chip for many people, if they ever get the chance to buy it
4) Anything to put in a console
4) is a niche market with a nice steady income that's probably sufficient to pay Intel's electricity bills but little more than that.
You might as well have mentioned discrete GPUs then.
When talking about anti-competitive practices, it doesn't make much sense looking at small markets where the aggressor chooses not to play.