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Thread: Why do CPU's get hot ?

  1. 11-06-2011, 02:07 PM #26
    davidkozat
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    I still dont know if this is a serious question or not?... LOL.
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  2. 11-06-2011, 03:42 PM #27
    STEvil
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    Of course there is friction, just just mostly induced my angular momentum.

    All along the watchtower the watchmen watch the eternal return.
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  3. 11-06-2011, 04:01 PM #28
    NKrader
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    they should use some sort of lube to reduce friction.
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  4. 11-07-2011, 08:53 AM #29
    SoF
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    Because Chuck Norris wants them to get hot!
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    Quote Originally Posted by saaya
    sof pulled a fermi on all of us !!!
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  5. 11-07-2011, 09:04 AM #30
    trans am
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    because the computer is on.
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  6. 11-07-2011, 12:48 PM #31
    UltraNEO*
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    Quote Originally Posted by Elmy View Post
    Why do CPU's get hot ?....
    Why do you get hot??




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  7. 11-07-2011, 01:16 PM #32
    K404
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    Quote Originally Posted by T_M View Post
    Not sure i totally follow anything you said, but regardless of that you helped me come up with a very good idea....
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  8. 11-08-2011, 07:10 AM #33
    shoota
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    Quote Originally Posted by Cooper View Post
    You do realize that space between atoms is thousands times greater than size of electron right ?
    There is no friction on that scale.

    Not a single close answer in this thread. Enthusiasts
    Alright you can't say everyone is wrong, make fun of them, and then not answer the question. Come on guru, why do CPUs get hot?
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  9. 11-08-2011, 07:18 AM #34
    ChronoDog
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    Quote Originally Posted by trans am View Post
    because the computer is on.
    Finally, the real answer. Seconded
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  10. 11-08-2011, 11:54 AM #35
    CrazyNutz
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    Largely due to impedance (i.e. resistance) http://en.wikipedia.org/wiki/CPU_power_dissipation
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  11. 11-08-2011, 12:20 PM #36
    G H Z
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    "Friction" might not be the right word but the basic concept is the same. Heat generated in a CPU (or any other electrical device) derives from electron collisions with the conductor and the resulting loss of kinetic energy. Transistors also produce more heat than simple resistance in a wire for example, because of the way they operate, pack millions of them into a CPU and you have a nice source of heat.
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  12. 11-08-2011, 12:27 PM #37
    Hondacity
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    imagine tiny billions of switches... switching fast lol

    anybody studied logic circuits here? or alittle vlsi?

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  13. 11-08-2011, 03:25 PM #38
    SoF
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    It's physically impossible for them to run cooler than ambient!

    Why?

    Because Chuck Norris said so! [full stop]

    I win, what's the price?
    Last edited by SoF; 11-08-2011 at 03:28 PM.
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    | '05 3500+[NC], 3000+[W], 2x 3200+[W], 3500+[NC], 3200+[V] 0516GPDW
    Quote Originally Posted by saaya
    sof pulled a fermi on all of us !!!
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  14. 11-08-2011, 03:47 PM #39
    STEvil
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    Quote Originally Posted by G H Z View Post
    "Friction" might not be the right word but the basic concept is the same. Heat generated in a CPU (or any other electrical device) derives from electron collisions with the conductor and the resulting loss of kinetic energy. Transistors also produce more heat than simple resistance in a wire for example, because of the way they operate, pack millions of them into a CPU and you have a nice source of heat.
    Dont even need collisions, just magnetic fields passing by each other.

    All along the watchtower the watchmen watch the eternal return.
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