boxleitnerb
Platinum Member
- Nov 1, 2011
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Because there are not enough Chips after the ramping process. Why do you think the mobile versions of the mid- and high-end chips coming out much later? They are limited by power. nVidia and AMD are binning enough chips before they sell them to the OEMs.
Yes, so binning yields for a given performance target (i.e. 1.31 TF DP) are not good enough to sell them immediately in numbers. Yields affect power consumption. 30% of your chips might run at 1.0V at 800MHz, but 70% don't unless you disable something. (Binning) Yields have everything to do with it.
So do you really believe that in both circumstances the yields were so bad for the 15SM (GF100) and 16SM (GF110) chip that nVidia needed to sell them first in the Geforce market?
In the case of GF100, they had to, with that else would they have been able compete? GF110 came on a much more mature process than 28nm is now. My point is, that if they can only supply 13 SMX parts in numbers now, most chips cannot reach either their target performance at the target TDP. As Arzachel said, you have to cut them down somehow.
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