Is 1:1 the best ratio between FSB and RAM?

What's the best ratio between FSB and RAM? Thank you!
11 answers Last reply
More about ratio
  1. Also, which one is better, E8200 or E6850? Thanks.
  2. I run 1:1 which for DDR2 means a memory clock twice as fast as the FSB.

    E8200.
  3. jsc said:
    twice as fast as the FSB

    1333MHz x2? Can it be done?
  4. The FSB is quad pumped, so 1333 MHz is actually 333 MHz, so double that is 666 MHz, it's perfectly possible.
  5. SirCrono said:
    The FSB is quad pumped, so 1333 MHz is actually 333 MHz, so double that is 666 MHz, it's perfectly possible.

    What about duo core one? 1200MHz? Thanks
  6. 1200mhz base?, yeah, you aren't getting that.


    1200mhz FSB then yeah you can do it, just put your FSB up or down to 300Mhz.
  7. andy5174 said:
    Also, which one is better, E8200 or E6850? Thanks.


    Whichever is least expensive - they are effectively equal from the benchies I've seen with a slight nod to the e6850.
  8. In my P.C it is 1:2
  9. 1:1 with a 333fsb (1333MHz quadpumped) CPU is DDR 667 ram running at rated speed, which is close to the slowest ram you can get anymore.
  10. Helloworld_98 said:
    1200mhz base?, yeah, you aren't getting that.


    1200mhz FSB then yeah you can do it, just put your FSB up or down to 300Mhz.

    So all the C2D/C2Q CPUs are quad pumped? I thought C2D is duo pumped and therefore the 666MHz mentioned by me. Thanks for correcting my misunderstanding.
  11. No. All the Core2's are quad pumped. It's basically a 1:2:4 ratio of FSB: memory clock: bus clock.

    Running the memory clock at less than 1:2 forces the CPU to wait for memory, and therefore costs performance. Running the memory clock faster than 1:2 seems to yield little, if any, real world performance.
Ask a new question

Read More

CPUs RAM