Ryzen 3000 series CPUs

Discussion in 'AMD x86 CPUs and chipsets' started by luke o, Dec 27, 2018.

  1. Ratzz

    Ratzz Member

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    OK I guess I should have watched the whole video.... oops...
     
  2. cbjaust

    cbjaust Member

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    Buildziod had things to say on the subject of X570 Boards on Gamers Nexus:

    If you want to go for a drive I will help you out with testing. Although Ballarat to my place (3169) is a hike.

    I have a 3600X running in my Crosshair VI Hero: https://hwbot.org/search/submissions/permalink?userId=10871&cpuId=5872&cpuBatchId=3604 and I also have a Strix B450-F Gaming here as well.

    Weird problems but they could be pointing to a DOA CPU. Are there any other BIOS versions on MSI's website?

    Edit:
    They only put up 720p benchmarks with 2080TI class cards so numpties on the internet can point and say "but the 9900K is 25% faster in games". It may be technically correct* however it has no bearing on the real world where GPUs of that class will invariably be used to game at 1440p minimum with all of the eye candy. Stupid example is stupid.
    *the best kind of correct
    :D
     
    Last edited: Jul 14, 2019
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  3. Phido

    Phido Member

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    Last edited: Jul 14, 2019
  4. Rhimes

    Rhimes Member

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    thanks for the link Phido - looks like no real world difference at all which is surprising. SSD speed was really the only reason I was considering an X570 motherboard, as I tend to do a whole upgrade rather than parts over time. Looks like an X470 is a cheaper, just as good option.

    edit: though it looks like a second m.2 in most x470 will be speed limited at x2.
     
    Last edited: Jul 14, 2019
  5. Court Jester

    Court Jester Member

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    I'm not surprised (as I stated several pages back) PCIe 4 will have very little real world impact ssds sustained sequential write speed is all it will affect and this is not what makes a ssd feel fast

    Which is why you can't tell the difference between a sata ssd and a M. 2 of silimar grades.
     
  6. Supersize

    Supersize Member

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    So some testing with voltages.

    I set a -0.05 offset, which made it 1.406v in BIOS (1.425v when on Auto and has been confirmed normal), the one thing I noticed is my Cinebench scores went up 30 points.
    Now from what I know, well saw in a lot of video's was Ryzen when starved for voltage doesn't crash like Intel, it just performs worst, correct me if I'm wrong though.

    I ran tests with Ryzen Master open and the voltages maxed out at 1.39v, but temps were a little higher, 74c up from 70c when I was using 1.32v, core speed the same.
    PBO is set to Auto, so I'm guessing it's not on.

    Second test:

    I lowered the voltages with -0.125 offset, enabled PBO and got my biggest Cinebench score.
    But in Ryzen master the voltage hit 1.42v, so I'm guessing PBO is ignoring the set offset...maybe, it shows 1.42v but the temps are 70c, the same temp I was getting with the 1.32v before PBO being enabled, PBO is only giving me 15 - 20Mhz extra all core boost anyway.
    I am trying to play it safe being new to Ryzen, but it does work a little different to Intel, but I'll get it..


    Click to view full size!



    Click to view full size!
     
    Last edited: Jul 14, 2019
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  7. shane41

    shane41 Member

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    Intel is same. If you set vcore a bit too low it will score less. Why I belt the volts up for the benchmark run. Then default it after.
    Quick & done
     
  8. PureFire

    PureFire Member

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    Gamers Nexus are currently live streaming 3900x LN2 overclocking, if anyone is interested.

     
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  9. Myne_h

    Myne_h Member

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    There's never been a new pci/agp/pcie/sata/ata/usb/other standard that immediately showed prior standards were redundant. 3-4yrs later though, yes.


    What are the stock voltages in these things? 1.4 seems way too high for a 7nm chip but... I don't even know what I'm basing that on.
     
    Last edited: Jul 14, 2019
  10. Perko

    Perko Member

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    partybear Can you drop your RAM frequency down lower for testing purposes? Even to 2133 to be sure.
    vcore seems fairly high, but unless it's tapping the CPU out it should make it less stable.
     
  11. glnn_23

    glnn_23 Member

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    After spending a bit of time now memory testing on the CH7 and 3900x the sweet spot for my setup seems to be 3733c14-15-14-14-28 1T.
    It's a fair bit easier to work with than 3800Mhz.
    Vdimm 1.4v, soc 1.1v. Tested 1Hr gsat and 5000% RamTest
    Tested at 4200Mhz with higher cas but Aida64 shows a fair drop in performance.
    Used TridentZ 4266 sticks which are B die.
     
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  12. glnn_23

    glnn_23 Member

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    A few performance results for the 3900x at 4.45Ghz. Mem 3733c14

    CB15 3536

    Fire Strike Physics. 32 598

    Time Spy. CPU 13 977

    Time Spy Extreme CPU 7159

    Geekbench 4 Single. 6154. Multi. 49024
     
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  13. Supersize

    Supersize Member

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    My idea of stable voltages is 3 hours of OCCT Small data set no AVX offset, that was for my 24/7 overclock...lol...

    Now I'm back from my morning walk I'm going to play more.
    I forgot to mention all my benchmarks are just with the stock ram XMP of 3200Mhzz 16-18-18-38, so the Infinity fabric is only running at 1600Mhz.

    I'm just trying to figure out how the voltages a PBO work, haven't touched LLC yet.

    I'm building up the confidence to try overclocking that high, it's just that Steve's (hardware unboxed) dead 3900x is always in the back of my mind... :tongue:
     
  14. mAJORD

    mAJORD Member

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  15. chook

    chook Member

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    I don't know why but die shots always make me stop and pause to consider just how amazing technology is.
     
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  16. glnn_23

    glnn_23 Member

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    Yes I saw his cpu died.
    I used manual voltage of 1.385v in bios.
    I have a lot of vdroop as no llc settings used yet.
     
    Last edited: Jul 14, 2019
  17. shane41

    shane41 Member

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    My idea of stable is x1 minute of XTU. :tongue: Prime 95 built into it ... it really is shit.
    The other 2hr59min can be doing benchmarks adjusting Vcore on the fly
     
  18. Myne_h

    Myne_h Member

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    Corsair lpx? Should be good for c14 cr1
     
  19. Supersize

    Supersize Member

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    GN did a 3900x overclocking live stream.
    Out of the box on the Gigabyte motherboard the 3900x with around 1.475v stock, no PBO etc.



    Nah it's G-Skill Trident Z RGB (F4-3200C16D-32GTZR)
     
    Last edited: Jul 14, 2019
  20. wintermute000

    wintermute000 Member

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    3600X pointless as per most of the speculation. Wonder what the 3800X is going to be like (hey at least they changed a number as well as adding an X)

     

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