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AMD Ontario us 40nm monolithic Fusion chip

Posted on Wednesday, April 21 2010 @ 20:57:23 CEST by

X-bit Labs has uncovered some details of AMD's upcoming Ontario netbook processor:
AMD itself recently confirmed that Ontario – which features two x86 cores based on Bobcat micro-architecture, integrated DirectX 11-class graphics core and DDR3 memory controller – is actually a single-chip system-on-chip (SoC) device. What AMD did not reveal was manufacturing process used to make the forthcoming product. However, based on the documents seen by X-bit labs, the Ontario accelerated processing unit (APU) will be made using bulk 40nm process technology.

Now that it is clear that Ontario is a monolithic design produced at bulk 40nm node, an intrigue still remains. There are three companies – Globalfoundries, Taiwan Semiconductor Manufacturing Company and United Microelectronics Corp. – that can provide both low-power and high-performance 40nm bulk fabrication process. At present AMD uses TSMC’s 40nm process to make graphics chips and chipsets, however, outsourcing x86 production to TSMC may not be something AMD wants, especially considering numerous issues with 40nm of TSMC. Globalfoundries, where AMD still holds a stake along with seats in the board of directors, also has 40nm high-performance bulk process technology, however, it has not announced that anyone plans to use it, hence it may turn out that the fabrication process is designed for AMD’s needs. At present it is unclear whether any client uses UMC’s process technology.



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