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Difference between CAS 2.5 and 3??

Discussion in 'Processors and Motherboards' started by vegasgmc, Jul 30, 2004.

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  1. vegasgmc TechSpot Chancellor

    I got some PC3200 on sale yesterday and didnt notice until I got home it was CAS 3. My old RAM is 2.5 but its PC2100.
    vegasgmc, Jul 30, 2004
    #1

  2. BrownPaper Newcomer, in training

    CAS 3 is a little bit slower than CAS 2.5. On synthetic benchmarks, CAS 2 is a lot faster than CAS 3. CAS 2.5 is somewhere in between (although closer to 2).

    I'm not sure about real world performance though. There is probably not a great difference in performance.
    BrownPaper, Jul 30, 2004
    #2

  3. Didou Bowtie extraordinair!

    Didou, Jul 30, 2004
    #3

  4. vegasgmc TechSpot Chancellor

    I was asking because I couldnt get the new RAM to work right. It turns out its PC2700 not 3200 like the label says.
    vegasgmc, Jul 31, 2004
    #4

  5. Bug Newcomer, in training

    label says 3200 and it only works at 2700 speeds? Where did you get it? I would return it and get a refund. Another think about a lower CAS latency (3,2.5,2,1) is that it is better for overclocking. Typically better ram all around.

    Bug
    Bug, Aug 4, 2004
    #5

  6. vegasgmc TechSpot Chancellor

    I exchanged it yesterday. The new stick runs perfectly at 3200. Its also CAS 3 but I have it set at 2.5.
    vegasgmc, Aug 4, 2004
    #6
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