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Re: savantu post# 62246

Saturday, 05/03/2008 4:24:12 PM

Saturday, May 03, 2008 4:24:12 PM

Post# of 152298
Re: Bobcat will be superior to Atom simply because it will integrate a lot more functionality on die.

Like what? AMD's July 2007 Analyst's Day slides described a chip for the 1-10W TDP range that would be a simpler core than contemporary x86 cores, built from the grounds up.

http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3050&p=6

That sounds a lot like Silverthorne, except higher power. I note that AMD eventually removed this core from their December 2007 Analyst's Day slides, along with Bulldozer and Falcon.

Presumably, AMD slipped the schedule for a year, but it's also possible that they went back to the drawing board when they realized that Bobcat wouldn't be competitive with Intel's first generation Atom core, let alone their 2009 or 2010 generations.

Atom is a dual issue in-order core, and it uses the power of 45nm High-K and Metal Gate transistors to reach TDP power levels of 0.6-2.4W, average power levels of 160-220mW, and idle power levels of 80-100mW.

http://download.intel.com/design/chipsets/embedded/prodbrf/Atom_Product_Brief.pdf

That's a tall bar for a future Bobcat design as it is. And with Intel's next generation Moorestown platform, idle power is supposed to be even lower. Moorestown will also have an integrated memory controller, video decode and encode engine, and 3D graphics all on-die. And Moorestown arrives in 2009. When will Bobcat arrive, and what features will it come with?

Re: I still don't get it why Intel paired Atom with a 130nm 3 years old chipset.

Because it's a one year stop-gap before they start ramping Moorestown, which will likely use a 65nm chipset, or possibly even 45nm.
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