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Thread: Question i7 920 - HT

  1. #1
    Join Date
    Jun 2010

    Default Question i7 920 - HT

    This question is not for me but a co-worker. He recently got a new rig. i7-920 with a Dark Knight CPU cooler.

    Right now, he can OC to 3.4Ghz and top around 63C - 65C. Ive been reading about on the net and came across a few threads stating that disabling HT (hyperthreading) will lower cpu temps 5C-10C and allow the user to OC higher / more stable.

    His Vcore = 1.21v currently. w/ 9GB DDR3 memory. ( The stable OC isnt the issue. We've tackled that. Just curious about the HT )

    IS HT over-rated? Would disabling it, and going higher on his physical cores yeild higher preformance?

    Im just touching base here to see if this can be verified before I give him this info. Ideally he would like to hit 3.8Ghz.

    Any info in regards to this would be much apprecaited!
    Thank you kindly.
    Last edited by Triton05; 07-13-2010 at 10:39 PM.
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  2. #2
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: Question i7 920 - HT

    you should be able to hit 3.8ghz with multithreading enabled,depends on the software supporting multithreading,if it does then you would see a big improvement,you need to lower voltages as much as you can and enable all the power saving states like eist and c1e c3/c7 ect,doesnt affect overclock only for 4+ghz you may need to disable c1e ect 79c is acceptable max temp so you can push for 3.8ghz

    75c was the hottest i got @3.8ghz multithreading enabled,my cooler isnt the best either
    Last edited by wazza300; 07-13-2010 at 11:31 PM.
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  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    PCB Island

    Default Re: Question i7 920 - HT

    He should really only disable it for gaming, that's the only time it really helps performance-wise.

    Of course he may be able to clock a bit higher with it disabled though, but his temps sound ok to me now though and he has some room to go higher as is anyway.

    Disabling HT is like buying a Ferrari and putting normal unleaded into it, no point in not using the super performance fuel since you paid thousands for the vehicle.

    But yes, he may be able to get a bit higher that way, but I think he still has room left with it enabled though, probably 3.6-3.8 before temps get too warm for air cooling

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