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Samsung-made chip confirmed in Apple's iPhone 5S

An analysis by Nikkei Electronics has confirmed that the processor inside Apple's iPhone 5S is made by Samsung, confirming the warring companies' ongoing relationship.

An analysis by Nikkei Electronics has confirmed that the processor inside Apple's iPhone 5S is made by Samsung, confirming the warring companies' ongoing relationship.

The iPhone 5S's Apple-designed, Samsung-made A7 chipset. (Credit: iFixit)

First discovered by Chipworks and iFixit soon after the iPhone 5S's launch, the Nikkei Electronics results show that the iPhone 5S is using a system-on-chip manufactured using Samsung's latest production processes, despite the ongoing legal stoushes between the two mobile giants.

According to Nikkei, the Samsung-made chip is constructed using a 28-nanometre process, one generation ahead of the 32-nanometre process used in the Apple A6, also manufactured by Samsung and used in the iPhone 5. The A7 uses a dual-core CPU and a quad-core GPU.

While Samsung is building the chips for the iPhone 5S, Apple is looking elsewhere for its future processor production. A source told CNET that the Cupertino, California-based company is developing its relationship and working with Taiwan Semiconductor Manufacturing Company (TSMC), the largest chip-maker in the world.