What's your memory assessment speed ?

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  1. ThrashZone's Avatar
    Posts : 5,994
    3-Win-7Prox64 2-Win10Prox64
    Thread Starter
       #131

    Hi,
    Yep ugly
      My Computers


  2. Posts : 38
    Windows10 1909 x64 Home
       #132

    4GB 2666 Mhz CL 19, soldered in Aspire A515-54G with 1 free DDR4 slot


    Hi guys,
    Been watching these incredible high memory assessment speeds from 35-80 GB/s on this thread and wonder if someone can tell me what is an acceptable speed (or is it called bandwidth?) for my system that I am about to upgrade to Dual Channel 2 x 4 GB (same module as soldered on the mbo)
    What's your memory assessment speed ?-good-cpu-z.png
    What's your memory assessment speed ?-winsat-mem.png
    My bus speed is 100 MHz and I am on power adapter with Maximum performance power setting. WINSAT mem reports maximum 15 GB/s, average is 13 GB/s, is this below par? WINSAT Formal reports also that the 4GB is insufficient for a x64 system with a WEI of 5.7. I checked if something big is running on the background but only defender is using 63 MB.
    What's your memory assessment speed ?-cpu.png
    Thanks
    Frank
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  3. CountMike's Avatar
    Posts : 16,685
    W10 Insider + Linux
       #133

    Your memory is actually running at 2666MHz but at very high Cas latency (Cl19) for that frequency (should be Cl14 at most). Other than that, it's a also on low side capacity and is running in single channel because it's only one stick. Dual channel can help a lot but requires 2 sticks of same RAM.
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  4. sygnus21's Avatar
    Posts : 4,073
    Win 10 Pro (x64) 1909 18363.836
       #134

    Here's mine...

    What's your memory assessment speed ?-winsat-mem.png

    32gig (4 x 8) Corsair memory @3600MHz C16 @16-18-18-36-2T

    What's your memory assessment speed ?-cpu-z-spd-tab.png
    What's your memory assessment speed ?-cpu-z-memory-tab.png
      My Computers


  5. Posts : 38
    Windows10 1909 x64 Home
       #135

    CountMike said:
    Your memory is actually running at 2666MHz but at very high Cas latency (Cl19) for that frequency (should be Cl14 at most). Other than that, it's a also on low side capacity and is running in single channel because it's only one stick. Dual channel can help a lot but requires 2 sticks of same RAM.
    I looked at some conversions from DDR frequency to bandwidth (GB/s) and found that 2666 = 15 GB/s effectively (burst rate 20 GB/s) is that correct? That would mean that the 15 GB/s max. Winsat mem is reporting is OK (no waste).
    Yes I will add another 4 GB (same model) DDR4 and hope to double this to 30 GB/s.
    Frank
      My Computer

  6. CountMike's Avatar
    Posts : 16,685
    W10 Insider + Linux
       #136

    FrankW said:
    I looked at some conversions from DDR frequency to bandwidth (GB/s) and found that 2666 = 15 GB/s effectively (burst rate 20 GB/s) is that correct? That would mean that the 15 GB/s max. Winsat mem is reporting is OK (no waste).
    Yes I will add another 4 GB (same model) DDR4 and hope to double this to 30 GB/s.
    Frank
    That's correct, dual channel should double theoretical read bandwidth but Read and Copy not as much depending on CPU and it's IMC.
    You could also use Aida for instance to check for more details.
    What's your memory assessment speed ?-aida-ram-3600.jpg
      My Computers


  7. Cr00zng's Avatar
    Posts : 641
    Windows 10 64-bits
       #137

    The hardware platform pretty much determines the type of memory is utilized and it's performance. Comparing different platforms' memory performance is not apple-to-apple comparison.

    Take my eight years old Ivy Bridge desktop, with Intel Core i5 3350P; yes it's old. It's memory performance isn't too bad based on the platform:

    What's your memory assessment speed ?-cpuz.jpg

    What's your memory assessment speed ?-winsat.jpg

    It certainly cannot even come close to the current hardware with DDR4 memory, as CountMike's posting above shows...
      My Computer

  8. CountMike's Avatar
    Posts : 16,685
    W10 Insider + Linux
       #138

    What's your memory assessment speed ?-image.png
      My Computers


 

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