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Which is faster? ddr2 1066 or ddr3 1600?

Discussion in 'Motherboards & Memory' started by Q9650, Mar 22, 2011.

?

Which is faster in you opinion?

  1. DDR2 1066

    1 vote(s)
    3.2%
  2. DDR3 1600

    30 vote(s)
    96.8%
  1. Q9650

    Q9650

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    As the title says...which is faster? ddr2 1066 or ddr3 1600 running in dual channel mode?
    Last edited: Mar 22, 2011
  2. overclocking101

    overclocking101

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    LOL ddr3
    Q9650 says thanks.
  3. TheMailMan78

    TheMailMan78 Big Member

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    Whats the latencies?
    Q9650 says thanks.
  4. Q9650

    Q9650

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    my ddr3 1600 runs @ 7-6-6-20 1T
  5. slyfox2151

    slyfox2151

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    DDR3 with that latency.
    Q9650 says thanks.
  6. micropage7

    micropage7

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    actually DDR3, but DDR3 has bigger latency than DDR2
  7. Mussels

    Mussels Moderprator Staff Member

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    DDR3. 1600Mhz is also easier to achieve on most boards than 1066 was on DDR2, and it runs a hella lot cooler doing it.
  8. Sasqui

    Sasqui

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    Q9650 says thanks.
  9. freaksavior

    freaksavior To infinity ... and beyond!

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    I lol @ this thread.

    ddr3 is almost always going to be faster.
    Crunching for Team TPU
  10. Q9650

    Q9650

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  11. Sasqui

    Sasqui

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    Not to mention the memory controller on the iX series now being on-chip instead of the North Bridge... lower latencies = more better :)

    Sweet!
    Q9650 says thanks.
  12. Q9650

    Q9650

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    thanks to my q9650 running on the maximus extreme 425x9 3825mhz i can reach 1700fsb 1:1 with my ram @ 1700mhz
  13. Sasqui

    Sasqui

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    I think my DDR2 is running at some weird divider near 1000... haven't looked lately, LOL. 1:1 must be better but I've seen tests that indicate odd dividers don't really matter, I suspect that is dependent on the chipset.
  14. Q9650

    Q9650

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    hey sasqui i see you have a maximus formula but ddr2...great mobo! and we share the x38 too ROG FTW!!!
  15. freaksavior

    freaksavior To infinity ... and beyond!

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    It's not often I see technology go backwards, that was my point. :)
    Crunching for Team TPU
  16. Sasqui

    Sasqui

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    :toast: It's one of the best motherboards I've ever owned, though I've taken TWO of them out plus a graphics card with a bad PSU. :mad: One still kind of works, but part of the PCI bus is fried. The other won't post.

    The third is still humming... they were all flashed with the Rampage bios. Built like tanks.
  17. Q9650

    Q9650

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    my maximus extreme is 3years 4months old and still runs like new! very tough mobo and built to last for years! I love asus ROG boards! Best gaming boards on the planet! when i had my q6600 the same day i got this mobo i OC it to 3.6ghz and it stayed like that for 2years ! now 6months ago i got a new q9650 oc to 3.8 and it is running very happy! it seems this board is hungry for my OC but i dont use watercooling only a corsair h70 which i am quiet happy with the core temps.....watercooling is expensive for me
  18. Sasqui

    Sasqui

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    Yea, H2O is definietly for the hobby... best bang for the buck is a good air cooler. With a decent water setup, I'd venture to guess you may only be able to get another 0.3 Ghz over air... on average, and pay dearly. Purely anectodal evidence.

    Wow, I'm getting way OT here ;)
  19. Zubasa

    Zubasa

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    Actually that is not how actual latency works.
    DDR3 has higher timing numbers than DDR2 but can have lower latency than DDR2.
    DDR3 1600 @CL9 is still slightly faster than DDR2 1066@CL6.
    Last edited: Mar 23, 2011
    coljarcker and TIGR say thanks.
  20. Spectrum

    Spectrum New Member

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    ddr3...
  21. Aleksander

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    As sheakspire said:
    ddr2 or ddr3?
    3!!!!!!!!
  22. Mussels

    Mussels Moderprator Staff Member

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    sometimes, i do not understand you.
  23. Bundy

    Bundy

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    On a 775 board like you have, the DDR2 1066 cas 5 will have lower latency than the DDR3 1600 cas 7 you quote because there is no advantage gained from use on a memory controller on the CPU. That being said, the higher frequency of the DDR3 will provide greater bandwidth. In practice, it's hard to say what would seem faster.
  24. TIGR

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    That's correct. SDRAM latency is not a temporal measurement; it's measured in I/O bus clock cycles, and the number of those cycles per second depends on the module's data rate (e.g. the "1600" in DDR3 1600", which by the way should not be called "1600MHz"). So even though the numerical latency of DDR3 is typically higher, its actual latency as measured in nanoseconds can be lower. For example, F3-16000CL6D-4GBPIS (DDR3 2000, CAS 6) have a temporal CAS latency of 6ns, whereas KVR800D2K2 (DDR2 800, CAS 6) have a temporal CAS latency of 15ns. They have the same CAS latency number, but the DDR2's latency is actually 2.5x higher due to its lower clock rate.
    coljarcker says thanks.
  25. Bundy

    Bundy

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    I got my calculations arsed up - the DDR3 is slightly less latency, not slightly more. So it definitely would be quicker.

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