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Author Topic: Need some information, i'm returning from AMD  (Read 2137 times)

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Athlonix

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Need some information, i'm returning from AMD
« on: 03-November-02, 21:41:35 »

hi all,

I've been with AMD now for about 2 years, but since the prices have dropped, i wish to return to the true master...

i have a couple of questions needing answers

1) why can i not find a mobo with AGP x8 as AMD mobos do have it?

2) why can't I find one that supports DDR400?

3) not having DDr400 will this reduce the systems performance, or is the bandwidth from the CPU only big enough for DDR333?

4) is there much of a difference between AGP x4, and x8?

5) can get a board with these missing features?

thx

Athlonix
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Assaf

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« Reply #1 on: 03-November-02, 21:57:16 »
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  • 1.SiS 648 chipset based boards support AGPx8 on paper at least.

    2.SiS 648 chipset based support DDR400 unofficially.

    3.The bandwidth a P4 CPU can use at 400MHz FSB is 3.2GB/s and at 533MHz 4.2GB/s.

    3.2GB/s is the bandwidth of:
    DDR400
    Dual channel DDR200
    Dual channel RDRAM PC800
    RIMM3200 (32bit RDRAM)

    4.2GB/s is the bandwidth of:
    DDR533 (theoretical only)
    Dual channel DDR266
    Dual channel RDRAM PC1066
    RIMM4200 (32bit RDRAM)


    If you are serios about a P4 you should wait a bit untill intel releases the new dual channel DDR chipset to get the full preformance out of the CPU without expensive RDRAM or DDR400.
    Also I still feel that for an intel CPU an intel chipset is the best way (SiS isn't bad for it's price but still falls behind on preformance and reliability).


    4.AGPx8 in itself is of no use right now but important if you would like to upgrade the graphics in the future.
    (intel's dual channel DDR chipset supports AGPx8)


    5.You can get the SiS648 now or wait for intel's new chipse codename "granite bay".


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    Athlonix

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    « Reply #2 on: 04-November-02, 00:15:39 »

    thx for your reply,

    at this time what would be my best option, Intel, as in motherboard, maker, model etc.

    and is AMD and there motherboards going to be better in the long run, I have a window now, which i can sell my older equipment to a friend for an upgrade, which option would be best

    MSI KT400 Ultra FISR + AMD Athlon XP 2400+ T'Bred

    Or

    [Pentium 4 Motherboard] + Intel Pentium 2.4Ghz 533FSB

    I'm really interested in going back to Intel but I need and want the best performance, and possibly the best option for future upgrades


    hope that makes sense  :P

    Athlonix
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    Assaf

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    « Reply #3 on: 04-November-02, 01:05:42 »
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  • I wouldn't consider either worthwhile considering your current system.
    It is pretty much a waste of mony.

    Are you sure you want this  ?(
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    Athlonix

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    « Reply #4 on: 04-November-02, 03:19:05 »

    i'm pretty much getting back what I paid for it for It just seems sensible
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    Assaf

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    « Reply #5 on: 04-November-02, 03:38:36 »
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  • Still you will need to pay for the upgrade which is not called for.


    Since memory is expensive and RDRAM is more expensive than DDR at this point I would suggest the XP2400+, but the moment granite bay is out the P4 (*should*) outpreform the athlon since it will finally get the bandwidth it needs and it will be done with cheapo PC2100 DDR.


    If you want the intel CPU the option of the 2.4/533 + i845PE chipset + DDR333 is also not a bad option at all.
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    Athlonix

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    « Reply #6 on: 04-November-02, 03:52:44 »

    so all, in all

    which is better

    Kt400 Ultra-FISR + Athlon XP 2400+

    or

    i845PE Max2-FIR + Intel Pentium 4 2.4Ghz

    another way to look at it is will a i845PE board with DDR333, outperform a Kt400 DDR333?

    i'm really looking for which one is better the upgrade is gonna cost me about 20£, so I just want the best option, I'm just worried that the KT400 is better due to DDR 400 and AGP x8 support which the i845PE doesn't have, will it support this in a BIOS update or is it beyond the chipsets ability?
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