Yes. Amd tri-cores were quad cores with a defective core, so they disable the defective core And amd isn't alone. Nvidia Geforce GTX 260s were GTX 280s with disabled stream processors.
2009/8/20 Jonathan Aquilina <eagles051...@gmail.com> > a friend of mine told me that the amd tri cores were quads with one core > disbaled? > > > On Thu, Aug 20, 2009 at 8:26 PM, Greg Lindahl <lind...@pbm.com> wrote: > >> On Thu, Aug 20, 2009 at 06:10:43PM +0200, Jonathan Aquilina wrote: >> >> > someone brought this up in another post and instead of hyjacking that >> post i >> > started a new one. what are the advantages of having processors that >> defy >> > the normal development and progressions of cores. >> > >> > 2 4 8 etc like intel follows but amd seems to have done 2 3 4 6 ? >> >> Intel has done 6 core processors in the recent past, and there are >> currently 3 memory controllers on Nehalem cpus. >> >> The point of a 6 core processor is that's all that fits, plus there isn't >> enough memory bandwidth to support 8 cores with many workloads. >> >> The point of 3 core processors was selling at a lower price point, and >> being able to sell defective chips as good. >> >> -- greg >> >> >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf >> > > > > -- > Jonathan Aquilina > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > >
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