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Thread: Difference between CPU temp and core temp




  1. #1
    Join Date
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    Default Difference between CPU temp and core temp

    Hello everybody. I'm new here. I am just getting into this stuff and got the following hardware and have it running great!

    GA-EP45-UD3P Mobo
    Core 2 Quad Q8200
    Arctic cooling Freezer 7 Pro
    Raidmax Smilodon case
    Etc....

    I have the CPU OCd to 2.92 stable (no big deal) and ran Prime 95 for 24 hours.

    My question is this. I have RealTemp, SIW, and CPUid WH monitor. These are showing:

    CPU temp 49C
    but
    Core 0 - 66C
    Core 1 - 63C
    Core 2 - 63C
    Core 3 - 63C

    What is the difference between CPU temp and Core temp? Are these two different monitors on the motherboard or is something wrong? Thanks.
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
    2 or 3 other systems I like to play with and a laptop

  2. #2
    Chike is offline Senior Member
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    Default Re: Difference between CPU temp and core temp

    HW Monitor & RealTemp read the values from different type of sensors located in different places in the CPU.
    You can read more about it here.

  3. #3
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    Default Re: Difference between CPU temp and core temp

    Thanks for the link. Good read. So they are different sensors. Cool.
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
    2 or 3 other systems I like to play with and a laptop

  4. #4
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    Default Re: Difference between CPU temp and core temp

    Quote Originally Posted by Chike View Post
    HW Monitor & RealTemp read the values from different type of sensors located in different places in the CPU.
    You can read more about it here.
    CoreTemp only shows temperature of the, surprise :D, core, and HWMonitor ALSO show the other general temperature. I almost completely stopped using CoreTemp as HWM shows bunch of additional stuff.

  5. #5
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    Default Re: Difference between CPU temp and core temp

    Yea , HWM is better. SIW is about 10X better than that. But when you read thermal spec for your CPU I guess they are referring to CPU temp...not Core temp. The temp in the BIOS is the CPU temp too. I feel a lot better knowing the core temps can get a little higher than the CPU temps.
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
    2 or 3 other systems I like to play with and a laptop

  6. #6
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    Default Re: Difference between CPU temp and core temp

    What's SIW?

  7. #7
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    Default Re: Difference between CPU temp and core temp

    System information for Windows. Try the standalone .exe it gives you EVERY bit of info about hardware and software. It rules.

    SIW | Download

    The "sensor" option is where your temps and voltages are.
    Last edited by nate42nd; 06-29-2009 at 02:48 AM.
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
    2 or 3 other systems I like to play with and a laptop

  8. #8
    Join Date
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    Default Re: Difference between CPU temp and core temp

    I prefer free HWInfo :) (HWiNFO & HWiNFO32 - Hardware Information and Analysis Tools)
    What I regularly use is HWInfo, CPU-Z, HWMonitor, Everest
    occasionally GPU-Z

  9. #9
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    Default Re: Difference between CPU temp and core temp

    Cool, as long as you're getting the info you need. That looks good too. I just like SIW for all the software and network info. (plus all hardware too) Thanks for the link.
    P55-UD4P - i7860 - Patriot Inferno 120GB SSD - 1600Mhz Mushkin 7-8-7-20 - 3 WD 640GB Black
    880GMA-UD2P - X6 1055T CPU - Patriot Inferno 120GB SSD - GSkill 1333 8-8-8-21 - 2 500GB WD Black
    2 or 3 other systems I like to play with and a laptop

  10. #10
    Join Date
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    615

    Default Re: Difference between CPU temp and core temp

    I can see the benefit of having all the info you personally need in one window though :)

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