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Thread: Windows 8 : How many physical cpu's?

  1. #1
    Xtreme Member JPQY's Avatar
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    Windows 8 : How many physical cpu's?

    I'am searching on the net how many physical cpu's max. windows 8 can use?

    I only find old news ,where it is still not clear if it's 4 or 8 cpu's.
    Maybe someone else know the real number off cpu's Windows 8 will recognize!

    In Windows 7 it was 2 cpu's (not in all versions) for 4 cpu's we have to use Windows server OS.

    Or is it the same thing for Windows 8 that you have to use Server OS version?

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  2. #2
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    The only info I can find on Technet/MSDN is that Windows 8 now supports 640 logical processors vs Windows 7 was 256.

    I did find a screenshot that suggests the max may be 8 (Windows 7 HP was 1 and Pro/Ultimate was 2)
    Windows8.png
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  3. #3
    Xtreme Member JPQY's Avatar
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    Yes ,this you find everywhere : http://www.tomshardware.com/news/win...in8,13848.html

    But nothing that confirm this with the upcomming release date..maybe people who run build 9200 can check this out!

    JP.
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    Test results are always welcome with this Chess Test where all your cores/threads will run @100% ,Thanks
    http://www.xtremesystems.org/forums/...d.php?t=202139

  4. #4
    I am Xtreme zanzabar's Avatar
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    i would assume that pro it supports 2 physical cpus and one numa node (64 logical cores), server should do 8 or 16 numa nodes.
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  5. #5
    Xtreme Member JPQY's Avatar
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    I found the blog : http://blogs.msdn.com/b/b8/archive/2...rocessors.aspx

    With one off the comments:
    that server has a total of eight 10-core Xeon CPUs, with each core hyperthreaded for a total of 160 logical processors. An eight-socket motherboard

    So,at the moment the latest news on logical cpu's in Windows 8 is at 27/10/2011

    JP.
    -Core i7 5960x @4,50Ghz Vcore:1,20V
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    -MSI Gforce 960
    -Cooler Master HAF 932
    -Antec Signature 850W

    Test results are always welcome with this Chess Test where all your cores/threads will run @100% ,Thanks
    http://www.xtremesystems.org/forums/...d.php?t=202139

  6. #6
    I am Xtreme zanzabar's Avatar
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    that seams odd that it would support more than 64 threads in the client OS as you needed a service to have the nodes talk to each other.
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  7. #7
    Xtreme Member JPQY's Avatar
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    Find something:

    Windows 8 Pro supports a maximum of 2 physical CPUs and the standard version of Windows 8 just one. In total, up to 32 logical processors are supported in 32-bit versions of Windows 8, while up to 256 logical processors are supported in 64-bit versions.

    Link: http://pcsupport.about.com/od/windows-8/a/windows-8.htm

    JP.
    -Core i7 5960x @4,50Ghz Vcore:1,20V
    -Asrock X99 OC Formula
    -Corsair Hydro H110i GTX
    -16Gb Corsair DDR4 3200Mhz
    -Samsung 960 evo 250Gb SSD M.2
    -Samsung 850 evo 500Gb SSD
    -Samsung SH-S223Q
    -MSI Gforce 960
    -Cooler Master HAF 932
    -Antec Signature 850W

    Test results are always welcome with this Chess Test where all your cores/threads will run @100% ,Thanks
    http://www.xtremesystems.org/forums/...d.php?t=202139

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