The truth about CPU power consumption

Discussion in 'Processors and Motherboards' started by sub.mesa, Dec 30, 2010.

  1. vrod

    vrod Active Member

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    Sure I'll get some pics. currently out so it will have to wait some days. :) i'll post these in a diy thread
     
    #41
  2. Jerry Renwick

    Jerry Renwick Active Member

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    I have learned something here,
    Designing CPUs that perform tasks efficiently without overheating is a major consideration of nearly all CPU manufacturers to date.
     
    #42
  3. wildpig1234

    wildpig1234 Well-Known Member

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    Too many variables. you can calculate, but the only sure thing is measuring at the wall output with a kill a watt meter (assuming those things are accurate). Its pretty difficult to get anything to idle with less than 50-60W total in a WS or server i think. plan at least 100w.
     
    #43
  4. HellDiverUK

    HellDiverUK Active Member

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    No, it's actually really pretty easy to get a server to idle less than 60W if you use anything made in the last 2 or 3 years.

    Dell T20 with Xeon and 4 HDD - idle 14W, peak consumption 80W while all drives spinning up, idle with drives spinning 40W.
    Fujitsu TX1310 with Xeon and 6 HDD - idle 12W, peak consumption 85W spinning up, idle with drives spinning 35W.

    Heck, even the dual Opteron Dell R515 with 10 SAS drives and 128GB RAM I have in work barely uses more than 125W with all the drives running.
     
    #44
  5. spazoid

    spazoid Member

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    How do you like the T20 in general? They are really inexpensive here in DK, so I've ordered one just yesterday. Would appreciate any experience you might have.
     
    #45
  6. HellDiverUK

    HellDiverUK Active Member

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    The fact it only has 4x SATA ports on the board sort of sucks. Cooling of fast drives isn't great, as the whole machine is cooled by the rear 92mm fan. Slower drives like the WD Red, or Helium drives are fine, but something like a WD RE or Toshiba enterprise drive will run really hot.

    Otherwise it's fine. It runs REALLY quiet, almost silent. Quieter than my Synology DS916+.

    I also have a Fujitsu TX1310-M1, which is a similar machine, but it has 6 SATA ports, nicer HDD bays, and 2x120mm fans so cooling is much better. It's more expensive, of course. A little noisier than the T20 as the fans make a bit of motor noise. I use that for CCTV running Windows 10 and BlueIris, and it runs great.
     
    #46
    spazoid likes this.
  7. wildpig1234

    wildpig1234 Well-Known Member

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    Seems like the only true way to know idle consumption is by hooking up a kill a watt meter?

    I would say that CPU power consumption is actually just a minority of the total for most people unless they're running 24/7 computing task.
     
    #47
  8. e97

    e97 Active Member

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    #48
    Last edited: Apr 11, 2019
    Tha_14 likes this.
  9. Tha_14

    Tha_14 Server Newbie

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    Free notif :)
     
    #49
  10. wvaske

    wvaske New Member

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    Can we lock threads after 12 months of no replies? It can get very confusing to start reading a thread and not know it's a decade old...
     
    #50
  11. ari2asem

    ari2asem Member

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    i dont agree with you...even when the thread is 15yr old, still you can read and ask things
     
    #51
    java and Tha_14 like this.
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