Can I squeeze blood out of a stone - processor tweak or upgrade? Solved

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  1. Compumind's Avatar
    Posts : 609
    Windows 10 Pro x64, Various Linux Builds, Internet Security Specialty.
       02 Jan 2019 #1

    Can I squeeze blood out of a stone - processor tweak or upgrade?


    Hi all -

    I have two loaded Dell XPS-8930 SE desktop systems each with an Intel i7-8700 CPU running at 3.20 Ghz.
    I've been thinking about squeezing out more horsepower from the processor, but they are not "K" editions.

    I turned off SpeedStep in the BIOS but I think that's all I could do.
    Intel has a utility to tweak the CPU but what can it do on a non-K CPU?

    What about replacing with i7-8700 with a i9 like this:

    Intel® Core™ i9-9900K Processor (16M Cache, up to 5.00 GHz) 186605

    Is an easy CPU swap possible without another heat sink and fan? I did update the Dell BIOS for i9 capability.

    If not, is a i7-8700K doable?

    Thanks!
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  2. Cliff S's Avatar
    Posts : 23,193
    Win10 Pro, Win10 Pro N, Win10 Home, Win10 Pro Insider Fast Ring, Windows 8.1 Pro, Ubuntu
       02 Jan 2019 #2

    Intel has a utility to tweak the CPU but what can it do on a non-K CPU?

    You mean Intel Extreme Tuning Utility?
    Watch these two videos:
    Ok this is der8auer and he's taking it to the extreme, but what he does with XTU is what you're looking for.



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  3. Polo6RGTI's Avatar
    Posts : 567
    Windows 10 Pro WS x64 17134.523
       02 Jan 2019 #3

    Hi,

    It looks like a BIOS update is available for your PC's to support the new Intel CPU's, use each system's serial number to confirm if the available BIOS update is relevant.
    Drivers & Downloads | Dell US

    Dell XPS 8930 System BIOS | Dell US

    XPS 8930 Service Manual
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  4. Compumind's Avatar
    Posts : 609
    Windows 10 Pro x64, Various Linux Builds, Internet Security Specialty.
    Thread Starter
       02 Jan 2019 #4

    Hey everybody -

    Please take a look again at my original post.

    1) I did update the BIOS for the Core i9, buy will the MOBO accept that CPU?
    2) Yes, it's the Intel XTU but what can it do on a non-K CPU?

    So these questions need to be answered...

    1. Can the i7-8700 be directly swapped out with a i7-8700K with the same stock fan and cooler?
    2. Can the Dell Motherboard handle a i9-9900K via direct swap, again with the same stock fan and cooler?

    Service manual only gives procedures for replacement of like kind, not compatibility. Dell claims ignorance.

    TIA!
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  5. Geneo's Avatar
    Posts : 659
    Windows 10 Pro x64 Retail
       02 Jan 2019 #5

    If the motherboard is compatible with the 8700, then it will be with the 9900 as long as the BIOS and ME firmware is up-to-date and supports the 9900k/

    But the 9900 is a power hog and I am not sure your motherboard VRM and power supply would be up to it.

    Does the BIOS really even support overclocking? If not, then you would be wasting money on any kind of k processor.

    Rather than throw your money away, it would be better build a system from the bottom up and people here can give you advice. If you can't afford that then you would be better off saving up.

    > $500 on a processor that you can't so anything with would be a waste. If you are eager to update, then get a chaeper processor (8700k 8086k or 9700k) and use the money you saved towards a good motherboard and power supply.
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  6. Compumind's Avatar
    Posts : 609
    Windows 10 Pro x64, Various Linux Builds, Internet Security Specialty.
    Thread Starter
       03 Jan 2019 #6

    @Geneo -

    I totally agree with your post.

    I might be able to get one i7-8700K for free. If that is the case, would it work with the same stock fan and cooler?
    If so, how much more speed can I squeeze out of it with Intel's, XTU?

    The system(s) are new, purchased in July, 2018.

    System replacement is not required. This is a fun thing.

    Thanks for your reply!
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  7. Posts : 65
    Windows 10 Pro x64
       03 Jan 2019 #7

    This comparison at cpubenchmark says (at stock speeds) TDP is 8700 65W, 8700K 95W.
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  8. Compumind's Avatar
    Posts : 609
    Windows 10 Pro x64, Various Linux Builds, Internet Security Specialty.
    Thread Starter
       03 Jan 2019 #8

    badcrc said: View Post
    This comparison at cpubenchmark says (at stock speeds) TDP is 8700 65W, 8700K 95W.
    Then I wonder if the stock fan and cooler can handle it.
    Probably but with more noise?

    IDK.
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  9. Geneo's Avatar
    Posts : 659
    Windows 10 Pro x64 Retail
       03 Jan 2019 #9

    Compumind said: View Post
    @Geneo -

    I totally agree with your post.

    I might be able to get one i7-8700K for free. If that is the case, would it work with the same stock fan and cooler?
    If so, how much more speed can I squeeze out of it with Intel's, XTU?

    The system(s) are new, purchased in July, 2018.

    System replacement is not required. This is a fun thing.

    Thanks for your reply!
    IDK, I don;t know what your stock PSU is or what your stock cooler is or whether your BIOS permits overclocking. If the BIOS does not permit overclocking then an 8700k is a waste of money. 8700k overclocked run hot, so if your cooler can;t handle that then it is a waste of money, An 8700k overclocked draws a lot more power, so if your PSU cannot handle it then it is a waste of money. It is hard to tell what these pre-built systems can do, but it is usually less than you would need for an upgrade.

    Hey but if you can get it for free, go for it and find out.
    Last edited by Geneo; 03 Jan 2019 at 23:07.
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  10. AddRAM's Avatar
    Posts : 2,315
    Windows 7 Pro x64 Windows 10 Pro x64
       03 Jan 2019 #10

    I would not waste 1 dime on upgrading a Dell.

    Build yourself a new system
      My ComputersSystem Spec


 
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