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500GHz Sub-Zero Processor

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  • 500GHz Sub-Zero Processor

    IBM and Georgia Tech have coaxed a chip to run at 500GHz, a record for a silicon-based device, by dropping the temperature to minus 451 degrees Fahrenheit.
    http://news.com.com/Chip+breaks+spee...l?tag=nefd.top
    Michael Larabel
    http://www.michaellarabel.com/

  • #2
    6 years later and clock speeds have not changed at all. Was IBM doing actual research, or were the engineers just bored and started toying around.

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    • #3
      At room temperature, the IBM-Georgia Tech chip operates at 350GHz, or 350 billion cycles per second. That's far faster than standard PC processors today, which range from 3.8GHz to 1.8GHz.
      That was quite a poor comparison since the article doesn't say anything about the "chip"'s capabilities. I somehow doubt it had everything a then modern CPU had but was more of a single-purpose chip.

      Whole CPUs at this speed would also need to be very small since the speed of light is an upper bound of how short you can make a cycle in relation to the length of the leads in a cpu...

      Press release from back then.
      http://www-03.ibm.com/press/us/en/pr...ease/19843.wss

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      • #4
        Originally posted by ChrisXY View Post
        Whole CPUs at this speed would also need to be very small since the speed of light is an upper bound of how short you can make a cycle in relation to the length of the leads in a cpu
        I suppose we need warp drive for CPUs :-P

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