Windows 10: AMD memory speed issues

Discus and support AMD memory speed issues in Windows 10 Drivers and Hardware to solve the problem; As you can see the scores on left (intel machine ) are fair. On right the 2133 memory (amd machine ) does not get an adequate score. I could put in... Discussion in 'Windows 10 Drivers and Hardware' started by Roe5685, Jan 14, 2016.

  1. Roe5685 Win User

    AMD memory speed issues


    As you can see the scores on left (intel machine ) are fair. On right the 2133 memory (amd machine ) does not get an adequate score. I could put in slower memory and be no worse off????


    AMD memory speed issues [​IMG]

    AMD memory speed issues [​IMG]


    next I am going to put the old memory back in having taken out the faster 2133 there now and lets see!!
     
    Roe5685, Jan 16, 2016
    #16
  2. Archie123 Win User

    Ok so you are asking about the Kingston HyperX Savage 16GB Kit (2x8GB) 2133MHz DDR3 Non-ECC CL11 DIMM XMP (HX321C11SRK2/16)?

    looking at your cpu/z screenie for that ram your northbridge is reporting 2207? remember its dual channel so the 1070.2 is x 2.

    apologies if im getting the wrong end of the stick but your new kingston ram is running perfectly in that rig *Smile

    remember the ram in your other rig is DDR4 regardless of frequencies DDR4 is much faster in benchmarks (not so much in real world applications)
     
    Archie123, Jan 16, 2016
    #17
  3. Coram Daes, Jan 16, 2016
    #18
  4. Roe5685 Win User

    AMD memory speed issues

    Look at the scores! The brix on the left with lower grade memory gets higher scores than the AMD computer on the right.
    The AMD motherboard takes to 2400 so that not the issue.
    I use lots of Kingston ram so that not the issue.
    What I am now going to do is:
    Take out the new fresh ddr3 2133 Kingston mem and put back the lower grade originally put in years ago when memory was very expensive.
    That ancient memory is not to be sneezed at:
    G. Skill DDR3-1866 CL 10-11-10-30 1.5V
    PC3-14900 8GX4 intel XMP ready
    I will use the XMP facility in bios per TenForums and the manual.

    And please continue to be aware the AMD machine is fast and snappy on both the old and new memory.
    The issue is that when we looked at our several machines at home and work what came up was:
    With the exception of 4 computers the memory tests showed top 10% or better up to top 1%.
    The 4 computers 2 AMD and 2 e3-1200 servers showed top 30%.

    Thanks again,



    Do you predict worse scores? Am I missing something?
     
    Roe5685, Jan 16, 2016
    #19
  5. Doverboy Win User
    I have the same CPU and MOBO. And I believe the memory is the same, too, but not certain. G.Skill Ripjaws X-Series DDR3 1866 (PC3 14900) Model F3-1866C9D-16GXM.

    Using BIOS 2501 this memory can be increased from 1866 to 2133 pretty easily. Here are the screenshots at 1866:


    AMD memory speed issues [​IMG]

    AMD memory speed issues [​IMG]


    I'll go into BIOS and increase to 2133 and post those results next...
     
    Doverboy, Jan 16, 2016
    #20
  6. You can not really compare with i7 and DDR4.

    AMD does not have support for DDR4 yet.

    My result:

    AMD memory speed issues [​IMG]



    OPS I forgot to change BIOS to higher frequency, I was still running at 1600... *Eek

    Her comes new result.


    AMD memory speed issues [​IMG]



    AMD memory speed issues [​IMG]
     
    Coram Daes, Jan 16, 2016
    #21
  7. Doverboy Win User
    Here are the shots at 2133


    AMD memory speed issues [​IMG]

    AMD memory speed issues [​IMG]

    As far as I know, Coram is correct and our MOBO does not support DDR4 memory.
     
    Doverboy, Jan 16, 2016
    #22
  8. AMD memory speed issues

    I cant wait for Zen, Doverboy... *Wink
     
    Coram Daes, Jan 16, 2016
    #23
  9. Doverboy Win User
    MaxMEM at 2133 and 1866 for me:


    AMD memory speed issues [​IMG]

    AMD memory speed issues [​IMG]
     
    Doverboy, Jan 16, 2016
    #24
  10. Hmm, could that GB difference be that you use G-Skill and I Kingston... seems a lot? Any OC?
    I run at 2400, mine should be faster...or
     
    Coram Daes, Jan 16, 2016
    #25
  11. Roe5685 Win User
    Just look at the 3 readings:
    My i7-Brix ddr3-798 ( 1596)
    30,916, 20,688 21,426
    then my AMD ddr3-1070( 2140)
    14240, 12,015, 8092
    so far the weaker memory kills the AMD with 2133 mem.
    looking at yours
    11,378, 11,294, 5680
    ddr3-802(1604)
    So the issue I guess is why less mem speed on AMD?
     
    Roe5685, Jan 16, 2016
    #26
  12. Doverboy Win User
    Sorry, just trying to help with another comparison with pretty similar specs...
     
    Doverboy, Jan 16, 2016
    #27
  13. Roe5685 Win User

    AMD memory speed issues

    AMD memory speed issues [​IMG]


    Two conclusions. I should return the faster on paper Kingston. Score no better than the old slower memory ( GSkill ).

    Also look at my i7 brix results for slower yet again memory on paper. it achieves twice the AMD score.

    Now why is that? Is it a known fact AMD cpus do a lousy job on the memory?

    OR do I have setting wrong? Can anyone on an AMD cpu fx-8350 or better get score up to 30,000 like the i7 brix?

    .
     
    Roe5685, Jan 16, 2016
    #28
  14. bobkn Win User
    Probably not because it's dual channel, but rather because it's DDR (double data rate, 2 transfers per clock tick.). Quad channel memory doesn't report 4X the clock frequency.

    I believe that DDR4 and DDR3 have about the same performance at the same clocks. DDR4 uses a lower voltage, and is scalable to higher clock frequencies.
     
    bobkn, Jan 16, 2016
    #29
  15. bobkn Win User
    bobkn, Jan 16, 2016
    #30
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AMD memory speed issues

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