"We think we are leading again," said Kelvin Low, senior director at Samsung Semiconductor. "This is not a one-time success story."

While Samsung's upcoming low-cost 14nm tech might not be of interest to Apple, the second-generation 10nm process could one day find its way into future iOS devices. After being ousted as Apple's sole chip fab in 2014, Samsung is looking to reclaim a significant share of orders for iPhone and iPad silicon.

Apple diversified A-series chip production by bringing TSMC into the fold in 2014, with the Taiwanese company winning a contract to fabricate a majority of the A8 SoCs powering iPhone 6 and 6 Plus. The A8 and A8X are built on a 20nm process.

Samsung regained momentum last year, sharing manufacturing duties for Apple's A9 design with TSMC. The exact breakdown is unknown, but rumors suggest most A9 SoCs are built using Samsung's 14nm process, while a small percentage use TSMC's 16nm FinFET process. Apple's step-up A9X model, however, is fabricated on TSMC's 16nm FinFET process.

Shortly after iPhone 6s launched, reports surfaced claiming huge variations in battery life between A9 chips made by Samsung and those from TSMC. Specifically, stress tests seemingly proved iPhone 6s models powered by TSMC's A9 lasted up to two hours longer than those with a Samsung chip. Apple quickly addressed the issue by noting the tests were not indicative of real-world use, adding that its own data showed a variance of only 2 to 3 percent.

According to the latest industry rumors, TSMC has won most — or all — orders for Apple's "A10" design expected to debut in "iPhone 7." Recent reports claim the Taiwan firm is set to ramp up production of the 16nm FinFET process chips in the second quarter of 2016. Earlier this week, the company said it expects to trial 7nm production in the first half of 2018.

By: DocMemory
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