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A few memory benchmarks

Discussion in 'Motherboards & Memory' started by DrPepper, Oct 31, 2009.

  1. DrPepper

    DrPepper The Doctor is in the house

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    Today I was bored and decided to do a comparison between DDR3 800mhz and 1833mhz. This isn't really a full, thorough benchmark but it would be a waste not to post the results I got.

    Core i7 - 2.66ghz
    Ram - 800mhz 6-6-6-18
    Everest Memory Read - 11549
    CPU Queen - 22219
    FPU Julia - 11206
    Company of Heroes (DX10 Highest settings, Resolution 800x600)
    - Average 119.2
    - Maximum 249.7
    - Minimum 48.5
    Cinebench - 15483

    -----------------

    Core i7 - 2.66ghz
    Ram - 1833mhz 9-9-9-24
    Everest Memory Read - 17181
    CPU Queen - 22272
    FPU Julia - 11263
    Company of Heroes
    -Average 134.2
    -Maximum 283.8
    -Minimum 60.8
    Cinebench - 15804

    Conclusion
    Well as you can see a 1033mhz increase does yield some benefit in the game I chose. However CPU benchmarks were hardly affected by the increase in memory which makes sense since it's a CPU benchmark. Thanks for reading :)

    -----------------

    Benchmark Number Two

    1333mhz 7-7-7-21

    Cinebench
    OpenGL 8312
    Single CPU - 4076
    Multi CPU - 16332

    Unigine

    16xAF + 8xAA 1920 x 1080 -

    DX11 - 21fps 531
    DX10 - 21fps 529
    DX9 - 32fps 809

    Everest Ultimate v5.3

    Memory Read - 14102MB/s
    Memory Write - 11541MB/s
    Memory Copy - 15599MB/s
    Latency - 57.2ns

    CPU Queen - 23017

    1866mhz 9-9-9-24

    Cinebench
    OpenGL 8531
    Single CPU - 4139
    Multi CPU - 16535

    Unigine

    16xAF + 8xAA 1920 x 1080 -

    DX11 - 21fps 525
    DX10 - 21fps 530
    DX9 - 32fps 810

    Everest Ultimate v5.3

    Memory Read - 17401MB/s
    Memory Write - 14937MB/s
    Memory Copy - 20198MB/s
    Latency - 48.6ns

    CPU Queen - 23102


    Conclusion
    Well as you can see there obviously is a nice increase in memory benchmarks but at my native resolution of 1920 x 1080 unigine see's no increase. The differences between the benchmarks are solely down to a margin of error, e.g. cache misses and background services.
    Last edited: Dec 14, 2009
    Mussels, LifeOnMars and BraveSoul say thanks.
  2. BraveSoul

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    interesting, i am assuming game settings were identical in both tests
    DrPepper says thanks.
    Crunching for Team TPU
  3. DrPepper

    DrPepper The Doctor is in the house

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    yay someone read it :laugh:

    Yeah settings were identical. I should do graphs for 800 1066 1333 1600 and 1833.
  4. BraveSoul

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    yeah absolutely,,, how about this,, 800 6.6.6.18 vs 1600 12.12.12.36
    Crunching for Team TPU
  5. mlee49

    mlee49

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    How about 1066, 1333, 1600,1800
  6. DrPepper

    DrPepper The Doctor is in the house

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    well timing's would be

    800mhz - 4-4-4-16 ideally but realistically 6-6-6-18
    1066 - 5-5-5-18
    1333 - 7-7-7-21
    1600 - 8-8-8-24
    1833 - 9-9-9-24

    I'm not sure what timings would be best but I'd mess around with it first. I'd also add a few more tests.
  7. Mussels

    Mussels Moderprator Staff Member

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    i've been saying for a while that memory doesnt make huge impacts in FPS games, and been getting ignored a lot - you show a small increase (but noticeable in benchmarks, if not in gameplay) from 800 to 1866 - 800-1066 is negligible, but you always see people advocating it on DDR2
    Last edited: Dec 14, 2009
  8. Lionheart

    Lionheart

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    Quiet interesting, how about 1600 vs 1866
  9. Mussels

    Mussels Moderprator Staff Member

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    you could almost math it out yourself.

    it'd be a fairly small difference, 5FPS at most (on maximum FPS)
  10. DrPepper

    DrPepper The Doctor is in the house

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    At decent resolutions such as 1920 x 1080 there would be about a 5 fps difference between 1333 and 1833. I might give it a go tonight though.
  11. Binge

    Binge Overclocking Surrealism

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    I was just going to suggest that :laugh:
  12. Bo$$

    Bo$$ Lab Extraordinaire

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    i think is less about speed more on timing with the ram
  13. DrPepper

    DrPepper The Doctor is in the house

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    Timings aren't as important anymore imo. However if your speed is 1333mhz and your timing's are 9-9-9-24 then you might as well go back to DDR2.
  14. DrPepper

    DrPepper The Doctor is in the house

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    New benchies are up.

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