Amid fight with Apple, Imagination's Series8XT GPU faces challenges

The graphics processor in Apple's upcoming iPhone could have been based on Imagination's new PowerVR Series8XT GT8525. Instead, the two vendors are locked in an open battle, and Imagination is threatening legal action against Apple, which is developing a homegrown GPU.The last few months haven't been smooth for Imagination Technologies, which this month said it was planning to sell its MIPS and Ensigma processor businesses. Apple likely won't be a customer for the new Series8XT GPU, which is bas