Fix Ram Low Performance Test Rating?

Discussion in 'Hardware' started by mjnc, Feb 20, 2016.

  1. mjnc

    mjnc MajorGeek

  2. mdonah

    mdonah Major Geek Extraordinaire

    I just ran UserBenchMark on my computer and got the same type of result regarding RAM.

    When I bought the computer, it only had 4 GB of RAM and is capable of supporting 8 GB. I bought 2-4 GB matched modules and installed them myself so I could make sure they were installed PROPERLY. They are the CORRECT type for my computer AND there was a significant performance increase once the extra RAM was installed.

    I think that UserBenchMark may be a bit subjective and I wouldn't worry about the results.
     
    mjnc likes this.
  3. mjnc

    mjnc MajorGeek

    Thanks, mdonah.
    Must be something wrong with the test since we got the same result.
    I forgot to mention that CPU-Z showed latency 11 before the BIOS change and latency 9 after the change, which is correct as per the package labeling.
     
  4. satrow

    satrow Major Geek Extraordinaire

    If that's 'good' RAM, and your 55% score suggests that it is, you should be able to improve on the XMP defaults by setting tighter timings, or setting an overclock (most 1600Mhz RAM will accept up to 1,65Mhz but timings will probably need to be loosened to make 2000 or higher).

    Here's an example from my own RAM, which was pretty exceptional in it's day for Green, low-voltage memory - anywhere from 1.25v to 1.5v+ and up to 2400Mhz with the best stick/'board combo. Getting mine to 2000Mhz/1.5v took all of 2 reboots and 4 minutes:

    RAM #1.jpg

    RAM #2.jpg
     
    mjnc likes this.
  5. mjnc

    mjnc MajorGeek

    Thanks for the reply, satrow.

    You lost me on that one. That's over my head. For me, I don't think overclocking is necessary. If everything is working at top or near best efficiency, that's good enough for me.

    If there's something that needs a little tweaking, I'm game but I need to know what it is and how to do it.
     
  6. satrow

    satrow Major Geek Extraordinaire

    First, find all the specs, timings, etc. for your RAM and compare them with those in the BIOS/XMP - they are frequently subtly different. Study the motherboard manual for the memory settings/options as well.

    Quick and dirty version follows:

    Main timings look something like 9-9-9-24 1N at 1.5v and would be a good starting point for many ram sticks on IvyBridge or later, lower timings than those are 'tighter' (better) and higher are 'looser' (better when overclocking). If you can drop one or more of the first 3 to 8 or even 7, that would reduce the latency (the above settings I used at 1.25 (or 1.28)v on my Green RAM) and you have more responsive RAM, which will also speed up the CPU responsiveness a little (lower latency is good) and also boost the performance of an onboard GPU.

    Getting the above to 2000Mhz might require something like 10-10-10-26 1N at 1.5-1.65v (mine does this at 1.5V, I've not tested any lower voltages), but many sticks would require looser timings.

    Is it worth it?

    (This was on SandyBridge (Ivy should give better results), the earlier generation Intel chipset + AMD)
    A detailed description of the process (there are many briefer/more simplistic versions, I don't have time to find a good one right now).
     
    mjnc likes this.

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