Del GX280 Intel 3.0 GHz processor

Posted on 2009-02-20
Last Modified: 2012-05-06
Have a Dell GX280 with the intel 3.0 GHz processor and the abilty to utuilize Hyperthreading.  Howerver the default Bios settign foir the Hyperthreading is OFF.  by turning the Hyperthreading on, will it increase th speed of the system at all?
Question by:laflecher
    LVL 70

    Accepted Solution

    Hyperthreading doesn't change the speed of the processors;  but it does give some performance advantage because of the additional threading capabilities.   Since the two theads are executed very efficiently (there are two complete sets of registers), there's a performance benefit for any multi-tasking OS that can take advantage of this hardware (Windows makes good use of it).

    Note, however, that if Windows was installed with a uniprocessor HAL (hardware abstraction layer), it won't take advantage of hypertheading unless you reinstall it (or do a repair install).

    Author Comment

    How can I check out if the procesor was installed as a HAL?
    LVL 70

    Expert Comment

    Go to Device Manager and expand "Computer".   This will show you which HAL was installed.
    LVL 26

    Assisted Solution

    The performance improvement with Hyperthreadingseen is very application-dependent and some programs actually slow down when Hyper Threading is enabled.

    Now that the 'wow factor' over what Intel claimed it could do has blown over most people I know turn it off.

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