Your quad-core computer doesn't seem so great anymore now, does it, champ? AMD's Opteron 6200 boasts 16 cores running at up to 2.6 GHz each. That is a lot of number crunching. Sadly, the monster isn't made for you.
Just last month, AMD staged an event to squeeze an amazing 8429.38 MHz out of its FX-8150 processor. The highest-clocked CPU in the world—it was a big production. And now they've been beaten by a team of one.
ARM's new ultra-efficient Cortex-A7 processor isn't going to do anything for smartphones today. But in the near future, it'll be doing what today's fastest CPUs do at a sliver of the price, eating a sliver of the battery life.