Timings

Hi,i am looking to upgrade a few bits and peices of my pc and one of those components is memory but one thing that have never understood is the different timings. Some are something like:
7-7-7-20
7-8-7-20
8-8-8-24
7-7-7-24
9-9-9-24
7-9-7-21

What should i be looking for regarding these timings and why? or is there not alot of difference.

Many Thanks
4 answers Last reply
More about timings
  1. Timings themselves don't mean too much, and the 'speed' is a greater function of the RAM's ICs and CAS tightness:

    7-7-7-20
    7-8-7-20
    8-8-8-24
    7-7-7-24
    9-9-9-24
    7-9-7-21

    So ALL things being the same, the fastest is as follows:
    7-7-7-20
    7-7-7-24
    8-8-8-24
    9-9-9-24
    {the other 2 could will be slower in comparison to the same CAS counterparts, and only a benchmark like Super-PI can determine order.

    Then you'll need to take into account cooling {fins}.

    Comparison Module #1: Mushkin Redline 996805 6-8-6-24 1600MHz
    Comparison Module #2: G.Skill Pi Series 7-8-7-24 1600MHz
    Comparison Module #3: Mushkin 998687 8-9-8-24 1866MHz
    Comparison Module #4: Corsair Dominator TR3X6G1600C8D 8-8-8-24 1600MHz
    Comparison Module #5: Kingston HyperX T1 9-9-9-27 1600MHz
    Comparison Module #6: Mushkin Blackline 998677B 7-7-7-20 1333MHz
    Comparison Module #7: Patriot Viper II Sector 7 9-9-9-27 1800MHz

    Stock:

    Overclock:

  2. Hey Jaquith thank you so much for a very quick and informative reply,very much appriciated. I will have a little better understanding now when looking at what to buy.
    Cheers Andy
  3. Thanks malmental for going through that and i think that you may have cleared somthing up for me unintentionally,i have just run 3DMark 06 and listed in my specs it had my ram down as 400Mhz, i was thinking wtf,my ram is actually 800Mhz,so thats right then,phew lol.So basically the smaller the numbers the faster the ram will be.
    Thanks again.
  4. Cheers malmental,much appriciated,the stuff you learn on here is brilliant.The way i approach my ne xt build will be different to how i have done it in the past thanks to the people on this site.
    Cheers.
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