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  1. #1
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    Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    So I've just recently ordered a laptop (Toshiba Satellite) which had an optional upgrade advertised as a Core 2 Duo machine with a T3400 processor. After doing a little research, I've found nothing on the net to suggest that the T3400 is actually a Core 2 Duo chip. First I read that this 2.16Ghz processor is a single core processor, then I've read that it's from the Dual Core family. What's the actual nature of this processor? I'm hoping to find out pretty soon so if it does turn out they were advertising the wrong thing, I can change my order and get what I actually wanted. The closest thing to is was the T6400 which I now know deffinately is a Core 2 Duo. If it does turn out the T3400 is not Core 2 Duo, how do these processors stand against each other? False advertisement sucks...

  2. #2
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    I cannot be sure of this, but just from the really low FSB speed, I'd guess it to be some kind of Pentium D mobile chip. The cache amount looks to be low end Core 2 though. It's hard to tell.

    T3400 is Pentium dual core. Whether that's Pentium D based dual core or Core 2 based is the important question. If Pentium D based, then avoid it.

    My guess would be that it indeed is a Core 2 based chip.
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  3. #3
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    Thanks for the quick reply! Cool, so assuming that the T3400 (2.16Ghz, 1MB) is a Dual Core processor, would I notice any difference against the T6400 (2.0Ghz, 2MB) Core 2 Duo? Everything else about the laptop is the same (3GB DDR2, Intel GMA 4500M) other than asthetics, while I was specifically after a newer chipset, I could probably live with it if is performance isn't going to be noticable. Just really annoying that they'd use the Intel Core 2 Duo label when in fact, it's an Intel Dual Core.

  4. #4
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    Quote Originally Posted by VWX View Post
    Thanks for the quick reply! Cool, so assuming that the T3400 (2.16Ghz, 1MB) is a Dual Core processor, would I notice any difference against the T6400 (2.0Ghz, 2MB) Core 2 Duo? Everything else about the laptop is the same (3GB DDR2, Intel GMA 4500M) other than asthetics, while I was specifically after a newer chipset, I could probably live with it if is performance isn't going to be noticable. Just really annoying that they'd use the Intel Core 2 Duo label when in fact, it's an Intel Dual Core.
    Well now, keep in mind that technically, Core 2 Duo is just another type of Intel Dual Core. Intel has many lines of dual core CPUs. They started off with the Pentium D way back in the Pentium 4 days by sticking 2 P4 dies on a single package and calling that a dual core CPU. Since that had to contend with AMD's native Athlon X2 dual core chip, it didn't do very well in comparisons. Intel then began selling Core Duo for notebooks, a strange mix of Pentium 4 FSB with Pentium 3 style CPU design and alot of power savings built in. This showed to compare favorably against Athlon X2 so Intel pushed the design further and released Core 2 Duo. Core 2 Duo still uses the Pentium 4 style FSB, but at much higher clock speeds.

    Intel has since that time released several more dual core CPUs and has a few more up their sleeves before dual core is as done as single core already is. Intel is targeting the lower end market now with dual core chips. Netbooks and very light load machines get the new Atom. Low cost desktops get the Pentium dual core (not to be confused with Pentium D, current Pentium's are Core 2 based in core design with just less L2 cache then the actual Core 2 Duo). Nehalem based dual core chips will come out sometime around the beginning of next year for the low end of the market.
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  5. #5
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    The T3400 is a pentium dual core, that is NOT core duo or core 2 duo and the
    later architecture has significant improvements including unified cache etc...

    Intel processor ratings link

    cpu world s-spec link

  6. #6
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    Quote Originally Posted by -=SparX=- View Post
    The T3400 is a pentium dual core, that is NOT core duo or core 2 duo and the
    later architecture has significant improvements including unified cache etc...

    Intel processor ratings link

    cpu world s-spec link
    Um, the T3400 DOES have unified L2 cache.

    Level 2 cache size shared 1 MB
    http://www.cpu-world.com/CPUs/Pentiu...37GF0481M.html

    Seeing as no Netburst chips had shared L2 cache, this MUST be a Core 2 based chip.
    Last edited by GregManning; 04-09-2009 at 09:13 AM.
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  7. #7
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    Don't confuse Pentium Dual Core with Pentium D. The former is based on the Core architecture which is far better than the latter which is from the Netburst family.

    T3400 is a Pentium Dual Core, so while it is slower than T6400 because of smaller cache and FSB, it's a lot faster than any Pentium D.

    http://en.wikipedia.org/wiki/List_of...icroprocessors
    Last edited by Parn; 04-09-2009 at 05:07 PM.

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  8. #8
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    Re: Intel T3400 Mobile - Core 2 Duo? Or Dual Core?

    Quote Originally Posted by GregManning View Post
    Um, the T3400 DOES have unified L2 cache.


    http://www.cpu-world.com/CPUs/Pentiu...37GF0481M.html

    Seeing as no Netburst chips had shared L2 cache, this MUST be a Core 2 based chip.
    Yes, i should have been more clear in my original statement. I did not however state it did not have unified cache. Greg, i do check my facts before i post and avoid making assumptions. This is getting a bit of topic now but if you could post a link showing the T3400 is in fact a "Core 2... " (Conroe) based chip.

    (nice edit btw, i got your original post via email )

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