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Thread: Ddr-1 & Ddr-2




  1. #11
    Join Date
    Feb 2003
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    Fincastle, IN, USA
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    256mb RAM cards memory is clocked slower

  2. #12
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    Nov 2001
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    That was the case with GF4's (64MB vs. 128MB) but if ya look ATi based Pro and XT cards the 256MB versions are clocked at the same rate as the 128MB versions. I don't know about nVIDIA's current line atm though.

  3. #13
    Beefy Guest

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    Some of the cards are even clocked a little higher (usually about 10mhz). However, it's only to make up for extra latency that DDR2 has over normal DDR.

  4. #14
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    Feb 2003
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    so if there is a latency increase in DDR2 chips, then how are they considered better in performance over DDR 1 chips?

  5. #15
    Join Date
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    Because DDRII will be able to run at speeds that's impossible for DDR to do.

  6. #16
    Join Date
    Aug 2003
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    Quote Originally Posted by amd_man2003
    256mb RAM cards memory is clocked slower
    Not true.

    256mb DDR2 9800 Pros memory is clocked higher than the 128mb DDR card.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

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