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Intel core 2 duo T5800 vs T6400 Notebook processors comparision

Notebook Intel Core 2 Duo processors comparision T6400 vs T5800

Notebook processors T6400 vs T5800

Specs:

T6400 – 2 GHz 2MB L2 Cache , 800MHz FSB, 45nm (lower better), 35watts, Penryn Family of processors.

T5800 – 2 GHz 2MB L2 Cache , 800MHz FSB, 65nm(lower better) , 35watts, Merom Family of processors

And both the models support native 64 bit computing

Review:

T5800 was the popular model of Intel’s midrange laptops but it has got a upgrade with a new T6400 processor after the 2008 Christmas season. Almost all the major laptop brands have started sidelining their T5800 models in favour of T6400 with almost the same spec.

Many have asked me what is the difference between T5800 and T6400. Typically should be no major difference between the two, but if you have the choice and the price difference is less than or around 50$ always go for the newer model(T6400), the newer models have better architecture better support and your laptop might get a better resale value if you decide to sell.

The only difference in terms of specs is T6400 follows 45nm technology and belongs to the penryn family, whereas the T5800 follows the 65nm architecture.

CPU Benchmark (cpubenchmark.com) values of a very small sample of T6400 show a markedly high improvement over the T5800, im not sure if this is because of the overall higher configuration associated with current T6400 based laptops or maybe inaccurate performance measurement at cpu benchmark. I haven’t included the benchmark values as it could be misleading.

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7 Comments to Intel core 2 duo T5800 vs T6400 Notebook processors comparision

  1. tenzin's Gravatar tenzin
    June 5, 2009 - 9:15 pm | Permalink

    Thanks for this informative review. I have been looking for it.

  2. July 21, 2009 - 1:22 pm | Permalink

    good comparision

  3. Eric's Gravatar Eric
    July 24, 2009 - 2:40 pm | Permalink

    Good comparison indeed!

  4. Axay's Gravatar Axay
    July 26, 2009 - 9:53 pm | Permalink

    Thank you, So much. Now I know something about that.

  5. hp_DV4's Gravatar hp_DV4
    August 22, 2009 - 9:37 am | Permalink

    hi my brother has a HP pavilion dv4 laptop and its got the t5800 in it with 4 gig ram,and i have a HP Pavilion dv4 with a t6400 with 3 gig ram. Bouth run on same Windows Vista. His laptop is a bit faster in games, and mines sometimes starts to lagg a bit. But my laptop usess about 30% less power on the bettery, alot better. while bouth run on high performance bettery plan.

  6. Khoa's Gravatar Khoa
    August 27, 2009 - 8:59 am | Permalink

    Thanks so much ! good information !

  7. Dan Sanduleac's Gravatar Dan Sanduleac
    August 27, 2009 - 3:29 pm | Permalink

    As far as I can see from Intel’s page, T6400′s VCore range is wider (1000 mV – 1250 mV) than T5800′s, so, even though it may be a tad cooler on idle, on usage it will heat up more than T5800 (its max temperature is 105C compared to T5800′s, which is only 90C). Even though they both have a TDP of 35W.
    So apart from the fact that the T6400, being newer, will have a better resale value, and disregarding the potentially misleading benchmark you mentioned, why would one pick T6400 in favor of T5800?

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