iPhone X chip shows problems of Imagination

The launch of the latest Apple iPhones has raised some interesting questions on the IP used in the chips.

Nick Flaherty, eeNews Europe, Sept. 15, 2017 – 

The A11 Bionic applications processor in the iPhone 8 and iPhone X uses an entirely new graphics processor sub-system, says Apple. This is made up of three 'all new' cores.

This points to a collapse in the relationship between Apple and Imagination Technology much earlier than previously thought.

The GPU in the iPhone 7 uses a custom version of the PowerVR GT7600 GPU, which had some disappointing benchmarks, but even in early 2017 Imagination was looking to replace that with a GPU design using its Furian architecture.

A new GPU sub-system would take at least 18 months to design and verify as part of the overall chip design on the latest 10nmm process so it is very lear that Apple has spent at least two years developing a new technology. This meant the architecture specification was being decided long before the public fallout of the two companies and would be consistent with Apple telling Imagination in late 2015.

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