E5-2696 V2 CPUs for $325!

Discussion in 'Great Deals' started by abq, Aug 18, 2017.

  1. wildpig1234

    wildpig1234 Well-Known Member

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    cinebench r15 for e-2686 v3 stock 1 cpu: 1988

    So with dual cpu I should be able to easily beat 1950x. but that comes at the price of having to go with higher price of 2011 v3 and DDR4

    cinebenchr15 e5-2686v3 stock.jpg
     
    #121
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  2. Klee

    Klee Well-Known Member

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    Just for reference, a single E5-2695 V2 that I sold.

    [​IMG]
     
    #122
  3. Davewolfs

    Davewolfs Active Member

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    The numbers don't scale like that.

    2x2686V3 scores a 3168. For the parts needed to run it. Is it even worth it? Why not just go with TR?

     
    #123
  4. wildpig1234

    wildpig1234 Well-Known Member

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    That cinebench vid is for dual 2683 v3 (28 x 2.5 = 70) , not 2686 v3 (36 x 2.3 = 82). I would expect 3700 or better with dual 2686 v3
     
    #124
  5. realtomatoes

    realtomatoes Active Member

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    all this comparison really puts into perspective the value the 1950x brings to the table.
     
    #125
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  6. wildpig1234

    wildpig1234 Well-Known Member

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    For a new system, the value is unbeatable for multithread at this point. For old hardware system, dual 2696 v2 gives better value since you could get a lot more ddr3 for the money right now. but 2011 is pretty much at the end point as 2696 v2 is the last cpu for 2011 that you can go to.

    as for 2011 v3, you can't really get anything much cheaper for as fast as 1950x. I think the best you can do is equal price for better multithread performance. obviously we are leaving system power usage as well as total pci-e out of discussion here.

    when amd releases something that will make it impossible to even be faster for same money, I will sell my intel stuff...lol...

    the way things going my next build will probably be ryzen...
     
    #126
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  7. MBastian

    MBastian Member

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    A Google search for dual CPU setups on the CPU-Z Validator website shows
    - Supermicro X9DAi
    - Asus Z9PE-D8
    - Unknown ... but most likely a Quanta Windmill v2 -> Storage is descrived as "Google PersistentDisk". Also there are other single CPU Open Compute entries.

    On some Hackintosh forum the Asus Z9PA-D8 was also mentioned, this is the one I have in my main rig. I am somewhat tempted but unfortunately prices in Europe are rather high. I could buy in the US but the import fees are rather high and I definitely don't want the hassle of an international RMA or, god forbid, return. The german tax office is not known to let go of money easily...
     
    #127
    Last edited: Sep 3, 2017
  8. MBastian

    MBastian Member

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    According to Wikipedia this is one of the rare v3 CPUs that works with DDR3 RAM. So I could re-use my existing 8x 16GB DDR3 Sticks in an 2011-3 board until prices for DDR4 and the more beefy E5 v3/4 parts go down?
     
    #128
  9. wildpig1234

    wildpig1234 Well-Known Member

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    Where are you going to find a MB that will have ddr3 slots and 2011 v3 cpu slots? You do realize that ddr4 slots wont take ddr3 mem right?
     
    #129
  10. MBastian

    MBastian Member

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    Uh, no. I was too much in love with my genial scheme. <:‑|
     
    #130
  11. Davewolfs

    Davewolfs Active Member

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    The 2696 is nothing special with single thread which I don't like - at least TR is decent with single thread.

    The closest matching Intel rig to TR seems to be a dual 2687W v3 setup.

    What kind of workloads are you running on your workstation - I'm still torn between going for higher clocks or more cores.
     
    #131
  12. Sable

    Sable Active Member

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    #132
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  13. skelleton

    skelleton Member

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    So I just got my 2x 2696v2 from cuba4sale. Both of mine are working in a Supermicro X9DRi-F with the latest BIOS.

    Edit: based on a quick test (48 threads in stress and lscpu). The all core turbo is 3.1Ghz But i am not 100% that one. As lscpu also shows me 3.1Ghz in idle.
     
    #133
    Last edited: Sep 4, 2017
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  14. BackupProphet

    BackupProphet Well-Known Member

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    i7z GitHub - ajaiantilal/i7z: i7z tool
    is a great tool to see current turbo performance. You can apt install it

    if you get 3.1ghz with all 48 threads stressed, then that is really awesome news!
     
    #134
  15. skelleton

    skelleton Member

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    So I checked on my 2x 2680v1 system and it shows 2,4Ghz when mostly idle and 3Ghz when all cores are at full load.
    So I would suspect that the values are also accurate with the 2696v2.

    This means the mainboard CPU combo either does not like to do any power saving or such, or my Proxmox did not like that I changed from Sandy Bridge-E (2x2620v1) to Ivy Bridge-E.

    But its running for now, and I have to figure out the Fan noise before I am going into power consumption.
    So if any had issues with fan control on Supermicro X9 Series mainboards let me know how you solved them. (Based on the noise compared to my other servers the fan speed might be reported wrong and I can't seem to manually control the PWM from Linux)
     
    #135
  16. wildpig1234

    wildpig1234 Well-Known Member

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    you mind running cinebench r15 and userbenchmark and post the score? I want to know how dual 2696 v2 is against 1950x. thnx
     
    #136
  17. wildpig1234

    wildpig1234 Well-Known Member

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  18. skelleton

    skelleton Member

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    I have Proxmox running on that server and it's also my main file server, best I can do if this has to be fast, is running a Windows VM with all cores assigned.

    Otherwise i might be able to take it down for maintenance on the weekend and throw windows on a spare disk.(Though I can't promise that right now)

    Is the VM OK for you?
     
    #138
  19. wildpig1234

    wildpig1234 Well-Known Member

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    will be a little slower but sure.. thnx
     
    #139
  20. skelleton

    skelleton Member

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    Ok I did the tests.
    KVM VM set up as 2 sockets 24 cores each
    drive set up as IDE
    network as e1000
    about 64000MB RAM

    The CPU clock is read as 2.5Ghz in Windows and 3.1Ghz in Linux
    When the VM is running and not doing the benchmarks linux is reporting cpu speeds between 1800-3300Mhz, oddly it seems stable at 3.1Ghz when no VMs are active.

    Cinebench is are the best 3 of a couple of runs. No idea how good/or bad these scores are.
    [​IMG]
    [​IMG]
     
    #140
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