Samsung-Driven A5 Processor Sits Pretty Inside Apple iPhone 4S

October 19, 2011, By Sanjeev Ramachandran

It’s a fact that Apple and Samsung are in constant battle – in different courts in different countries. But then, did you know the heart of the iPhone 4S – the A5 processor – has been made by Samsung?

We know you find it hard to digest, but that’s the truth! Samsung’s technology drives the dual-core A5 processor.

Chipworks, who have confirmed this via reverse engineering and patent infringement analyses of semiconductors and electronic systems, have explained the A5 chip in detail.

It has been pointed out that the iPhone 4S’s A5 is a 45-nanometer dual-core chip that is virtually similar to what is inside the iPad 2.

Breaking the Apple A5 system-on-a-chip (SoC), you can find the main processor, graphics silicon and system memory (RAM).

Interestingly, folks at iFixit have also found that Samsung is the manufacturer of the RAM too. But in some cases, the RAM has also been supplied by Japan-based chip maker Elpida.

We get to hear grapevine murmur that suggests that Apple’s manufacturing partnership with Samsung might end as the days go by, thanks to the growth in number of court cases that have been coming along. So, who would take Sammy’s place?

Some believe that Taiwan Semiconductor Manufacturing Company (TSMC) will be the next company that will handle the Apple SoC manufacturing.

There are analysts who feel that Intel could be the best replacement for Samsung when it comes to chip production for Apple. They believe the US-based semicon player has the world’s most advanced manufacturing and chip technologies that will suit Apple devices.

Some reports, in the meantime, hint that Samsung will be producing the next gen A6 chip for Apple and that it might come in a quad-core design. Do you think that is going to happen?

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