AMD Zen to use TSMC 16nm as GF 14nm Falters



/ 3 years ago

AMD Financial Analyst 2015 Zen 1

TSMC has just scored a major CPU customer as AMD is allegedly moving their Zen CPUs over to the fab. Originally meant for GlobalFoundries 14nm process, delays at the once AMD owned fab have led to a change to use the 16nm process at TSMC, the same one used for AMD and Nvidia’s next-gen GPUs. Zen is AMD’s next CPU architecture, aimed at improving IPC by 40% over current Excavator products.

According to the source, GF has been facing issues with getting their 14nm production ramped up. The fab’s main owner, the government of Abu Dhabi, has  been cutting expenses due to low oil prices. Due to that and difficulties in retooling the 28nm equipment to 14nm, volumes and yields on the new process are below expectations. It was also the delays for the 32nm process at GF that caused Bulldozer to launch later than expected back in 2011.

With both TSMC and GF offering FinFET processes, AMD should see good efficiency gains on top of moving to a new process. While AMD had previously been mum about which FinFET process it would use, most had expected GF to win out due to the long relationship between the two firms. With TSMC now confirmed, the biggest question is whether or not the fab can handle all the CPUs, GPUs and SoCs planned for next year. Hopefully, TSMC 16nmFF+ process will be able to hit the clocks speeds required of desktop CPUs.

Thank you WCCFTech for providing us with this information

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