No, Intel can't compete with ARM. Their legacy x86 arch won't allow it. You probably don't get the technical aspect of it, thus your view. To maintain compatibility and performance x86 processors are very complicated. Because of this they use more power. It doesn't matter what Intel do they can't get around this basic fact.
ARM is absolutely beating the pants off of Intel in the low power stakes. When are they going to start competing? Do you think they're holding off for some reason? Intel gives away processors to tablet and phone builders because they can't compete in tablets and phones, so it doesn't look good, even if your vague tablet and "next big thing" progostinations come to pass (they won't).
Also, do you think Apple is broke? What exactly is "expensive" for Apple?
Also, Intel tried with Itanium. It seems x86 is both a cash cow and a burden. What has kept Intel on top in the middle class CPUs is a monopoly, it's not like competing architectures are inferior per se. The Wintel alliance has given them guaranteed software and OS support, plus massive volume. To compete you would need massive volume or you're going to price yourself out of the market, but again x86 is proprietary, which meant competing architectures couldn't get the volume needed to hit the price sweet spot.
With mobile, the scale is shifting, you can now do 14nm with third party fabs (Samsung, Global Foundries). Add to this a plateuing of Moore's law, it may soon be a competitive performance edge with special purpose designs. It used to be that it was not worth it, because competitors could just wait 2 years and do nothing and a generic x86 would beat a special purpose design. It's not only ARM either, there's also new and novel ISAs like Risc-V approaching.
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