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Thread: Possible performance hit after adding memory?




  1. #1
    CRRacer is offline Junior Member
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    Kansas
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    Default Possible performance hit after adding memory?

    I'm trying to get ideas for why my system with the Sabertooth Z77 is giving such poor performance scores in passmark.


    The two systems in my sig were assembled over a year ago and both performed relatively close to one another with the older passmark 7, last night I tried passmark 8 and saw a major difference.

    Originally both systems had the GTX 560Ti FPB cards, the ASRock was assembled with the ripjaw memory kit that contained 4 sticks of ram (16GB). The Asus was assembled with sniper ram, but only 8GB (2x4GB). Last month I added another two sticks of ram to the Asus board, bought the exact same model of ram, which is; G.SKILL Sniper Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Model F3-14900CL9D-8GBSR.

    Is it possible that there is too much tolerance difference from the two separate batches of memory, or could it be that this board just doesn't like having all four slots filled? The only other two updates to the Asus PC since it used to benchmark right with the ASRock are that it now holds both GTX560Ti FPB in SLI and I updated the BIOS to the most current (I did this recently on the ASRock as well, skipping several version from both vendors). The processors are set at a multiplier of 44 for each system. Using the XMP profile and the Asus board shows 1867 MHz for the memory, (CPUz shows 933, which I assume to be correct).

    My concern came when the over all score with passmark was roughly 2000 points lower on the Asus now and the CPU score was almost 6000 difference alone. The CPU score for the ASRock system was over 10000, while the CPU score in the Asus system was under 5000, near that of an i7 920.

    I'm going to double check my BIOS OC settings, but I'm sure they are set to what I always have used. I'll also pull out two sticks of ram and see what happens.
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

  2. #2
    Join Date
    Sep 2011
    Location
    Taipei, Taiwan
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    106

    Default Re: Possible performance hit after adding memory?

    Hi, adding memory should not effect that much for the performance(even hardware incompatible)
    The problem could be software or hardware issue, you could try:

    1. Re-test it again with passmark 7 to see how it works
    2. Switch the memory from two computers/Test the two memory kits individually
    3. Re-install the latest BIOS and tweak the memory frequency/timing/DRAM voltage manually. (Disable CPU Speedstep/C1E)

    Let us know if you have feature question about it.
    G.Skill Tech Support

  3. #3
    CRRacer is offline Junior Member
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    Default Re: Possible performance hit after adding memory?

    I can't re test passmark 7, that was done over a year ago, I just used it for the trial period and its well beyond the 30 days. I was going to see about a license for 8, and maybe that would let me run 7 again, dunno.

    I don't believe it is the RAM as I removed the two new sticks and the benchmark remained the same. Bios is showing 1867 MHz on the ram. I will try reinstalling the previously installed BIOS and see how that goes. I am leaning towards an issue with passmark 8 and this PC. I will contact them about what I am seeing, such as it doesn't show my SLI setup for video, and the video is benching about where a single GTX 560 would bench, however, when I game, the SLI 560's actually perform a tick better than the GTX 670. CPUz does show the CPU hitting 4400~ MHz during other testing and passmark does show the turbo to be 44, as it does with the other PC. I may first remove passmark 8, and reinstall it, just to make sure there isn't something going on there.
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

  4. #4
    CRRacer is offline Junior Member
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    Default Re: Possible performance hit after adding memory?

    Had I not experienced it myself, I wouldn't have believed it. I uninstalled passmark 8 and reinstalled it. The system in question now scores where it should, along with the memory.
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

  5. #5
    Join Date
    Sep 2007
    Location
    Minnesnowda
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    Default Re: Possible performance hit after adding memory?

    Quote Originally Posted by CRRacer View Post
    Had I not experienced it myself, I wouldn't have believed it. I uninstalled passmark 8 and reinstalled it. The system in question now scores where it should, along with the memory.
    Being that your running four sticks and SLI on the same board, you may need to adjust PCH voltage. I'd also suggest reading the Intel spec sheet for your CPU as extra voltage needed to run extra memory can cause issue's with the CPU(just a warning) as Intel only approves certain speed memory for each CPU(also voltage) if you go to RMA it and tell them you had X v on the CPU for the memory running at out of spec's speed for the CPU(A no no) Intel will not cover the chips. The memory IMC is on the CPU, again(suggested). many run it out of spec without issues as long as there cooling is good and temps are kept in check.
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

  6. #6
    CRRacer is offline Junior Member
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    Default Re: Possible performance hit after adding memory?

    All was good after uninstalling and reinstalling the Passmark 8 software.
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

  7. #7
    Join Date
    Sep 2007
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    Minnesnowda
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    Default Re: Possible performance hit after adding memory?

    Quote Originally Posted by CRRacer View Post
    All was good after uninstalling and reinstalling the Passmark 8 software.
    I don't understand why you would run parrmark 8? You want to know how your system stacks up use 3D mark 11, they let you compare your system to other systems.....My score NVIDIA GeForce GTX 580 video card benchmark result - Intel Core i5-3570K Processor,ASRock Z77 Extreme6
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

  8. #8
    CRRacer is offline Junior Member
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    Kansas
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    Default Re: Possible performance hit after adding memory?

    To my knowledge, passmark8 compares to other systems as well. Users can upload their passmark scores and you can compare.
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

  9. #9
    Join Date
    Sep 2007
    Location
    Minnesnowda
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    Default Re: Possible performance hit after adding memory?

    Quote Originally Posted by CRRacer View Post
    To my knowledge, passmark8 compares to other systems as well. Users can upload their passmark scores and you can compare.

    But nobody uses passmark........................
    Asus RIVE
    Intel 3930K WATER
    RIPJAWX2133 16GB
    SLI-Asus GTX780 TI DCII OC
    CorsairAX1200



    http://www.3dmark.com/3dmv/5003339

  10. #10
    CRRacer is offline Junior Member
    Join Date
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    Location
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    Default Re: Possible performance hit after adding memory?

    ok, so I'm nobody, really, it's ok
    Rod

    ASRock Z77 Extreme4 ASUS Sabertooth Z77
    i7-2600k i7-2600k
    G-Skill 16GB Ripjaw X DDR3 1866 G-Skill 16GB Sniper DDR3 1866
    Cooler Master 692 II Advanced USB 3.0 Cooler Master 692 II Advanced USB 2.0
    EVGA GTX670FTW Sig2 EVGA 2XGTX560Ti FPB SLI
    Corsair HX850 Silver Plus Cooler Master Silent Pro 850
    Crucial M4 128GB SSD Samsung 830 128GB SSD

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