Apple's chip fashion designer Jim Keller is leaving the corporate for Evolved Micro Gadgets(AMD) to work as chief of the processor group. But AMD is not strange, because Keller has worked on the architecture of the Athlon processors in 2005 and 2006. At Apple, we know Keller especially for the A4 and A5 processor integrated in the iPhone and iPad.
Coincidentally, there are more ties between Apple and AMD: Keller's new boss, Mark PaperMaster, who briefly worked at Apple as senior vice president of the iPhone engineering. After antenna gate at the iPhone 4 was PaperMaster left Apple for AMD.
“Jim is one of the most widely respected and sought-after innovators in the industry and a very strong addition to our engineering team,” said Papermaster. “He has contributed to processing innovations that delivered tremendous compute advances for millions of people all over the world, and we expect that his innovative spirt, low-power design expertise, creativity and drive for success will help us shape our future and fuel our growth.
Keller was most recently a director in the platform architecture group at Apple focusing on mobile products, where he architected several generations of mobile processors, including the chip families found in millions of Apple iPads, iPhones, iPods and Apple TVs.”
His expertise in the field of mobile soc is more like he did in PA Semi, which Apple acquired the company to develop its soc's to get indoors.
Apple bought PA Semi in 2008 for an amount of $278 million. This also made the switch to the ARM architecture and, Apple itself was able to design the chips, making them less dependent on the chip design from Samsung. In his new role, Keller will design microprocessor cores in AMD lead. His mission is to make processors with high performance and low power consumption.
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