Memory Speed Question

Why does AMD mobo accept a slower RAM than intel ie DDR3 1333 vs 2200. Is it got something to do with the bus speed or the memory controller
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More about memory speed question
  1. Which AMD mobo are you talking about?
  2. Asus M4A77TD-PRO AMD accepts:
    4 x DIMM, Max. 16 GB, DDR3 1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory

    Gigabyte GA-EP43T-UD3L Intel Mainboard
    Support for DDR3 1600/1333/1066/800 MHz memory modules
  3. Also does the above mean u can o.c a 1333 ram on the amd to 1600 or 1800. or does that mean u have to buy faster ram and overclock the FSB?
  4. From the examples you have listed, the AMD board supports faster memory? So I am not sure why you are asking about Intel supporting faster memory. At any rate, it means nothing, except that is what these particular boards are "capable" of running at the time of their release.
    It means you can buy memory that is RATED to run at any of these speeds.
    The OC setting mentioned means that there probably is no memory made at the time the board was released that you could buy at that rated speed. So to achieve it, you technically must overclock a slower module to get there, either by bus speed or multiplier.
  5. kool thanks buddy! Is there any restrictions on memory by the on die cpu memory controller then?
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