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Intel Centrino Duo Question?

Scheduled Pinned Locked Moved The Back Room
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  • H Offline
    H Offline
    hackC
    wrote on last edited by
    #1

    When the computer specs say "1.66 ghz processor speed" (Dual Core mind you) does that mean that their are 2 - 1.66 ghz procs or both procs combined equals 1.66 ghz? Just a question I've had trouble finding an answer to on the internet.

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    • H hackC

      When the computer specs say "1.66 ghz processor speed" (Dual Core mind you) does that mean that their are 2 - 1.66 ghz procs or both procs combined equals 1.66 ghz? Just a question I've had trouble finding an answer to on the internet.

      N Offline
      N Offline
      Nish Nishant
      wrote on last edited by
      #2

      2 x 1.66 [effectively] Regards, Nish


      Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
      Currently working on C++/CLI in Action for Manning Publications. Also visit the Ultimate Toolbox blog (New)

      -- modified at 13:57 Monday 12th June, 2006

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      • N Nish Nishant

        2 x 1.66 [effectively] Regards, Nish


        Nish’s thoughts on MFC, C++/CLI and .NET (my blog)
        Currently working on C++/CLI in Action for Manning Publications. Also visit the Ultimate Toolbox blog (New)

        -- modified at 13:57 Monday 12th June, 2006

        H Offline
        H Offline
        hackC
        wrote on last edited by
        #3

        Thanks.

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        • H hackC

          When the computer specs say "1.66 ghz processor speed" (Dual Core mind you) does that mean that their are 2 - 1.66 ghz procs or both procs combined equals 1.66 ghz? Just a question I've had trouble finding an answer to on the internet.

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          D Offline
          Dan Neely
          wrote on last edited by
          #4

          2x1.66, but remember unless your apps are written as multithreaded you'll only see a modest performanace gain while running 1 CPU pig (the 2-3% housekeeping load can be offset to core A, giving the app 100% of coreB). DC really shines when trying to run a multithreaded app, 2 pigs, or a pig and a realtime critical app at once.

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          • D Dan Neely

            2x1.66, but remember unless your apps are written as multithreaded you'll only see a modest performanace gain while running 1 CPU pig (the 2-3% housekeeping load can be offset to core A, giving the app 100% of coreB). DC really shines when trying to run a multithreaded app, 2 pigs, or a pig and a realtime critical app at once.

            H Offline
            H Offline
            hackC
            wrote on last edited by
            #5

            More of a single vs dual core ...but I'm going to college for computer programming and I'm going to get a laptop. The question is in MY case which would be better a, single core or dual core laptop. Seeing That with dual core computers you can set Affininty (prob spelled wrong) which lets you set one whole core to any program you wan't while the othe runs background.. Good concept but does it really work that good?

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            • H hackC

              More of a single vs dual core ...but I'm going to college for computer programming and I'm going to get a laptop. The question is in MY case which would be better a, single core or dual core laptop. Seeing That with dual core computers you can set Affininty (prob spelled wrong) which lets you set one whole core to any program you wan't while the othe runs background.. Good concept but does it really work that good?

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              C Offline
              Chris Austin
              wrote on last edited by
              #6

              My opinion is to go with the dual core option. I have a ~2.0 GHz dual core system and it is much snappier than my single core 2.8 GHz system. It may not outperform the single core system running indivual apps but, the system is much more responsive and just feels quicker. I'd even go so far as to say it is much better user experiance. Hey don't worry, I can handle it. I took something. I can see things no one else can see. Why are you dressed like that? - Jack Burton

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              • H hackC

                When the computer specs say "1.66 ghz processor speed" (Dual Core mind you) does that mean that their are 2 - 1.66 ghz procs or both procs combined equals 1.66 ghz? Just a question I've had trouble finding an answer to on the internet.

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #7

                It means there are two processors running at a frequency of 1.66 gigga Hz. These processors however physically reside on the same device, unlike a multi-processor where the chips reside on the same mother board. Dont think though that chips of .84 giga Hz can be combined to give 1.66 giga Hz. It doesnt work that way. Two cars doing 60 mph when combined become one car with 8 wheels doing 60 mph. What does change is the carrying capacity. So with chips, you double the number of transistors, so double the 'thinking' capacity of the PC. Nunc est bibendum

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                • L Lost User

                  It means there are two processors running at a frequency of 1.66 gigga Hz. These processors however physically reside on the same device, unlike a multi-processor where the chips reside on the same mother board. Dont think though that chips of .84 giga Hz can be combined to give 1.66 giga Hz. It doesnt work that way. Two cars doing 60 mph when combined become one car with 8 wheels doing 60 mph. What does change is the carrying capacity. So with chips, you double the number of transistors, so double the 'thinking' capacity of the PC. Nunc est bibendum

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                  Dan Neely
                  wrote on last edited by
                  #8

                  fat_boy wrote:

                  Dont think though that chips of .84 giga Hz can be combined to give 1.66 giga Hz. It doesnt work that way.

                  AMD's trying to make something like this work for a future chip. Thier hope is to be able to combine cores on seperate chips the same way. WIthin a single chip I could see it working as doubled pipelines, registers, etc + HT. I've no clue how they'd do the same across a much slower system bus.

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                  • H hackC

                    When the computer specs say "1.66 ghz processor speed" (Dual Core mind you) does that mean that their are 2 - 1.66 ghz procs or both procs combined equals 1.66 ghz? Just a question I've had trouble finding an answer to on the internet.

                    E Offline
                    E Offline
                    Eric Dahlvang
                    wrote on last edited by
                    #9

                    I don't have a dual core cpu, but I've read that you can assign different applications or processes to each core. That sounds pretty cool. But, I get the impression that if you're a single task computer user, then it probably isn't worth it. Single core CPUs have much higher clock speeds right now. ---------- Some problems are so complex that you have to be highly intelligent and well informed just to be undecided about them. - Laurence J. Peters

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