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View Poll Results: Do you consider your intel 45nm CPU (wolfdale E8x00) to be Degraded

Voters
280. You may not vote on this poll
  • Yes, after supplying 1.300v - 1.349v to the vcore

    12 4.29%
  • Yes, after supplying 1.350v - 1.399v to the vcore

    14 5.00%
  • Yes, after supplying 1.400v - 1.449v to the vcore

    26 9.29%
  • Yes, after supplying 1.450v - 1.499v to the vcore

    23 8.21%
  • Yes, after supplying 1.500v - 1.599v to the vcore

    15 5.36%
  • Yes, after supplying 1.600v or more to the vcore

    26 9.29%
  • No, and I run my vcore at 1.300v - 1.349v 24/7

    49 17.50%
  • No, and I run my vcore at 1.350v - 1.399v 24/7

    49 17.50%
  • No, and I run my vcore at 1.400v - 1.449v 24/7

    33 11.79%
  • No, and I run my vcore at 1.450v or more 24/7

    33 11.79%
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Thread: E8400/8500 degradation myth possibly busted?

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  1. #11
    Xtreme Member
    Join Date
    Apr 2006
    Location
    Virginia
    Posts
    179
    When you increase the voltage, you increase the current as well (ohm's law).

    So you'd be putting even more current through the processor interconnects.

    So given that the metal is already really thin don't you risk blowing out some of the interconnects?

    Can't you also risk blowing your gate oxide? A good SiO2 gate will breakdown at 5-10 MV/cm or 5-10 V across a 10-nm oxide. (Intro do microelectronic fabrication). They say that the equivalent thickness of the gate dielectric to SiO2 is 1 nm. That seems to be pushing the limit. How does that work then - you'd be having .5-1 V across a 1-nm oxide. Or is the voltage supplied to the gate no where near the vcore range.
    Last edited by Fuji; 06-07-2008 at 07:51 AM.

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