P4 2.53Ghz with HT?

Posted on 2004-11-08
Last Modified: 2010-05-18
I ran 3DMark2003 and it tells me that my P4 has HT, but it's not enabled... is there such a thing as a P4 2.53Ghz with HyperThreading?

Question by:Sebastian_Strauss
    LVL 95

    Accepted Solution

    Yes - though the 2.53 is not listed here, there is a 3.06 with hyperthreading.  See:
    LVL 95

    Expert Comment

    by:Lee W, MVP
    LVL 3

    Expert Comment

    Hyperthreading supported by P4 CPU starting with (from Intel website):
    - Desktop CPU with 800MHz FSB. 2.4GHz and higher.
    - Desktop CPU with 533MHz FSB. 3.06Ghz.
    - Mobile CPU with 533MHz FSB. 2.66GHz and higher.
    According this information, there is no 2.53GHz CPU with HT.

    If you believe that 3DMark is right, then I would suggest to check to make sure that your CPU is set and running on the right speed.
    Maybe your motherboard/memory/something_else slows down your CPU FSB or there are some other reasons why it's reported as 2.53GHz.

    Expert Comment

    I do not belive there is any P4 2,53 HT.
    If you are unsure what you got then try to run CPUZ to identify your CPU, core speed, FSB and such.


    Expert Comment

    Also it reports code name of you CPU...
    LVL 2

    Expert Comment

    Event if you are using a HT CPU, the motherboard and OS has to support it as well to enable the HT fuction. Check the mother board manual to confirm.

    Expert Comment

    Boot up system and go into your BIOS, usually by pressing F2 key or something

    Go through the settings, usually in advanced somewhere and it will have Hyper Threading : Enabled/Disabled
    Change Disabled, to Enabled.

    If you can't see it in the BIOS, then it's safe to say your CPU does not support HT.

    If you don't have it, you are not really at much loss.  HT only really works well if you have HT enabled software, and yeah most software isn't set to HT, except for new versions of Photoshop and Autodesk rendering software etc.  It won't make much difference to most games or that, as really the cpu is still 2.53ghz, if u had a cpu with 2.66ghz running HT, then it is really just splitting up workload, so you can multitask better.  But doesn't mean your cpu is twice as fast.

    I personally run an AMD XP chip and it doesn't support HT, but yet it isn't any slow than my work PC which is a 2.4ghz HT, with same spec components.



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