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They tested a chromebook with an Ubuntu ARM distro on it.
This isn't even their 8x core, this is just a dual core, 8x is coming soon.
As you can see, it's closing in on an i3 from Intel but using very little power. It's pretty ridiculous how fast this is, this is a SoC using a fraction of the power of an i3 from Intel.
Intel better be very scared of ARM.