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Thread: Intel Sandy Bridge chip leaked in Acer, Gateway, Lenovo notebooks

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  1. #8
    I am Xtreme
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    Quote Originally Posted by informal View Post
    Llano will have a discrete level of GPU perf. integrated on die(~5750 class),with more than good cpu performance . Those are family 10h+ cores with aggressive new power gated Turbo.For a notebook user,a difference between SB CPU cores and Llano cores will be barely noticeable in real life usage in many if not most workloads.But,the difference in their fps when they play a game will be more than noticeable.On top of that,Llano will be able to do Hybrid CF with discrete GPUs too,so a major plus.
    Even with the shader specs simmilar to a HD5750 it will be massivly memory bandwidth limited, we already saw this for the barazos platform review (a HD5450 spec wise with only 8GB/s and bandwidth shared with CPU only gives ~70% of the performance of a discreet card.)
    And thats only with a bandwidth deficit of 40% (12,8GB/s compared to 8GB/s)

    A HD5750 has 73,6GB/s memory bandwidth that it hasn't to share with anything. Even for desktops with ddr3-1600 you only get 25,6GB/s (thats 2,8 times less) so more in the ballpark of a HD55xx.

    But we are talking mobile here so i doubt we see fullspeed ddr3-1600 but more like DDR3-1333 or even DRR3-1066.

    (Mobile) IGPs still suck, and even first generation fusion wont change this. If you want to play games, buy a graphic card. Gaming on notebooks is a chapter on its own.
    Last edited by Hornet331; 11-29-2010 at 08:17 AM.

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