Processors

The arrival of the 7 nm would allow 5 ghz processors

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Gary Patton, Technical Director of Globalfoundries, spoke about the future of the manufacturing processes of the next CPUs and what this means, paying special attention to the next step of 7nm.

Globalfoundries' 7nm manufacturing process would allow 5GHz CPUs

Apparently, the 7nm process at Globalfoundries has received the expertise of ex-IBM engineering specialists (remember that IBM practically paid Globalfoundries to take over its manufacturing division), and the company now expects improvements in manufacturing techniques to 7 nm.

While a change from 14nm to 7nm was expected to provide, at best, a halving of the actual size of a manufactured chip, Gary Patton is now saying that their size should be reduced to 2.7 times the original size. To put this in perspective, AMD's 1000 series processors in the Zeppelin die and 14nm process come in a size of 213mm² for the full 8-core design, thanks to the new Globalfoundries process, this size could be reduced to only 80 mm². AMD could potentially use that extra die space to add more cores or any kind of silicon enhancement if it wanted.

These improvements in space saving are not the only ones we will see. Patton said he hopes this design will be able to scale quite well at operating frequencies of 5 GHz. Now, this is the least interesting part of the 7nm equation, although it may not seem like it. The ability to scale frequencies up to 5 GHz will, of course, depend on the architecture design being able to achieve that operating frequency stably. We have already had a historical example of an architecture that aspired to reach very high frequencies with Intel NetBurst, and we all remember how it was.

The jump to 7nm by AMD would come in 2019.

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