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Thread: 32 or 64 bit?

  1. #1

    Question 32 or 64 bit?

    I have a computer that has a 64-bit Core 2 duo CPU and an Asus P5K, which claims to have 64 bit support.
    Up until now, I've used the 32-bit version of openSuSE, as that's what I had before and use(d) on all my other computers which aren't 64-bit.

    What are the advantages and disadvantages of switching to 64-bit? How about staying in 32-bit?

    TIA!

  2. #2
    ab@novell.com NNTP User

    Default Re: 32 or 64 bit?

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    Hash: SHA1

    64-bit.... better use of RAM.... especially if you have significant
    amounts of it. For systems with 4+ GB you cannot access all of the RAM
    without a 64-bit machine. My personal opinion is that if you CAN run
    64-bit you should. Back when 64-bit was new the software wasn't as
    tested and there were issues, of course, but my laptop (this one) has
    been purely 64-bit with SLED 10 (not even the 11 line of code) and has
    been great and I have access to all four gigabytes of RAM so I can play
    with all kinds of fun things. Also if you plan on doing any
    virtualization of 64-bit machines you must have a 64-bit host.

    Good luck.





    VintagePC wrote:
    | I have a computer that has a 64-bit Core 2 duo CPU and an Asus P5K,
    | which claims to have 64 bit support.
    | Up until now, I've used the 32-bit version of openSuSE, as that's what
    | I had before and use(d) on all my other computers which aren't 64-bit.
    |
    |
    | What are the advantages and disadvantages of switching to 64-bit? How
    | about staying in 32-bit?
    |
    | TIA!
    |
    |
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    =1slP
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  3. #3
    Join Date
    Jun 2008
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    Earth - Denmark
    Posts
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    Default Re: 32 or 64 bit?

    hmmmmm...2 questions:

    back about v10.1 i loaded up my AMD Athlon(TM) 64 with a 64-bit openSuSE
    and liked it--except there were problems (as i recall now dimly) with
    missing 64-bit Firefox plug ins, and Java and maybe some other things
    that didn't work in 64..

    have all of those little frustrations been solved? (or is it still
    necessary to use a lot of 32 bit software?)

    and, second...someone somewhere told me that since i only have 1 GB ram,
    and don't (often, if ever!) need to load up multi-GB files, then i don't
    _need_ 64 AND 32 will run what i do need faster...

    true?

    tia,
    DenverD


    ab@novell.com wrote:
    > 64-bit.... better use of RAM.... especially if you have significant
    > amounts of it. For systems with 4+ GB you cannot access all of the RAM
    > without a 64-bit machine. My personal opinion is that if you CAN run
    > 64-bit you should. Back when 64-bit was new the software wasn't as
    > tested and there were issues, of course, but my laptop (this one) has
    > been purely 64-bit with SLED 10 (not even the 11 line of code) and has
    > been great and I have access to all four gigabytes of RAM so I can play
    > with all kinds of fun things. Also if you plan on doing any
    > virtualization of 64-bit machines you must have a 64-bit host.
    >
    > Good luck.
    >
    >
    >
    >
    >
    > VintagePC wrote:
    > | I have a computer that has a 64-bit Core 2 duo CPU and an Asus P5K,
    > | which claims to have 64 bit support.
    > | Up until now, I've used the 32-bit version of openSuSE, as that's what
    > | I had before and use(d) on all my other computers which aren't 64-bit.
    > |
    > |
    > | What are the advantages and disadvantages of switching to 64-bit? How
    > | about staying in 32-bit?
    > |
    > | TIA!
    > |
    > |


  4. #4

    Default Re: 32 or 64 bit?

    i'm still not convinced by 64bit just yet, i have a 64bit laptop with 2gb ram but still run 32bit, since 64bit can be so easily broken by updates and then requires some fixing to do. for sure 64bit will run quicker, but if it's stability you are after then stick with 32bit, at least for another year or so. sled 10 is bound to be that little bit more stable, since sled is more tried and tested.

  5. #5
    Join Date
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    Posts
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    Default Re: 32 or 64 bit?

    64 isn't any faster on normal daily usage anyway - if you get any speed improvements they're so neglible as to be almost invisible. In some cases, such as many current games, 64 bit can actually be slower.

  6. #6
    Join Date
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    Location
    United Kingdom
    Posts
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    Default Re: 32 or 64 bit?

    I used 32-Bit OpenSUSE but on my Windows Partition I switched to 64-Bit due to the fact that I have 4GB RAM. I've tried other Linux Distributions and 64-Bit versions I think are a little snappier than the 32-Bit versions, but this may be because they make use of the full 4GB RAM.

    The only disadvantage I've found is that the Java Plugin doesn't work on the 64-Bit version of Firefox. Apart from that, all my hardware works, all drivers work and all plugins except for Java work, happy 64-bit computing!

  7. #7
    Join Date
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    Posts
    1,946

    Default Re: 32 or 64 bit?

    I'd recommand 64 bit if you do a lot of audio and/or video processing.

  8. #8
    Join Date
    Jun 2008
    Location
    Finland, European Union
    Posts
    1,879

    Default Re: 32 or 64 bit?

    Quote Originally Posted by microchip8 View Post
    I'd recommand 64 bit if you do a lot of audio and/or video processing.
    That's true but then again if you're hardcore into audio/video editing, you most likely have over 4GB anyway and you'll see the benefits realized.

  9. #9

    Default Re: 32 or 64 bit?

    If you don't have lot of memory (+4Go) and don't do lot of intensive CPU task (scientific computation, video compression), my advise is to use 32 bits.

    For a standard use of computer (like 98% of users), the 64bits technology won't give you any advantage.. and some time you will have lesser performance in some situation (games, no 64bits plugins, ..).

    I've done lot of research in the past, but never find any real advantage for my computer use. The "64bits" label is a big marketing for usual people, nothing more.

    However, Dual core technology is the future with real higher perf.

  10. #10

    Default Re: 32 or 64 bit?

    This is in the hardware forum, so I'm wondering how different the on chip execution of 32-bit vs. 64-bit code is on AMD? Does this difference change comparing AMD to Intel?

    For software side, yes, you don't need 64-bit unless you really need 64-bit. Unless you're using more than 1 Gb per single process you should be ok with 32-bit.

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