is this normal??

PCMark05 show that my ati radeon x800xl has only 492.8 MHz memery clock instead of 1000 MHz. because this is my first build, i don't know much. any help will be appreciate!
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More about normal
  1. That's memory clock. It's DDR. That means DOUBLE DATA RATE. A bit of data is exchanged on the rise AND fall of the 500 MHz clock signal.

    2 x 500 = 1000.

    492.x is within the margin of error.
  2. i get it now, so my card is running perfectly fine then. Mobius. thank you for the reply!
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