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Jaguar Architecture ,Powering Xbox One and PlayStation4

 
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Sourdeez
Does it use DX12?!?


Joined: 12 Feb 2012
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PostPosted: Wed May 22, 2013 10:28 pm    Post subject: Jaguar Architecture ,Powering Xbox One and PlayStation4 Reply with quote

For other techies like me that care.

"In both our Xbox One and PS4 articles I referred to the SoCs as using two Jaguar compute units - now you can understand why. Both designs incorporate two quad-core Jaguar modules, each with their own shared 2MB L2 cache. Communication between the modules isn’t ideal, so we’ll likely see both consoles prefer that related tasks run on the same module.

Looking at Kabini, we have a good idea of the dynamic range for Jaguar on TSMC’s 28nm process: 1GHz - 2GHz. Right around 1.6GHz seems to be the sweet spot, as going to 2GHz requires a 66% increase in TDP.

The major change between AMD’s Temash/Kabini Jaguar implementations as what’s done in the consoles is really all of the unified memory addressing work and any coherency that’s supported on the platforms. Memory buses are obviously very different as well, but the CPU cores themselves are pretty much identical to what we’ve outlined here."

http://www.anandtech.com/show/6976/amds-jaguar-architecture-the-cpu-powering-xbox-one-playstation-4-kabini-temash
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Last edited by Sourdeez on Wed May 22, 2013 10:51 pm; edited 1 time in total
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Longo_2_guns
Ruler of the Queen's Navy


Joined: 29 Jun 2003
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PostPosted: Wed May 22, 2013 10:35 pm    Post subject: Reply with quote

I thought, like, jaguars the animal. Now I am sad.

Carry on.
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