The reason there overall margin is 18% is due to mobile. Their mobile margin is -30%. The rest of their business is closer to 30%. https://www.sec.gov/Archives

The reason there overall margin is 18% is due to mobile. Their mobile margin is -30%. The rest of their business is closer to 30%. https://www.sec.gov/Archives/edgar/data/50863/000119312513065416/d424446d10k.htm#toc424446_10 https://www.sec.gov/Archives/edgar/data/50863/00011931251306... As it stands today you can't really say it was a mistake to not get into mobile. They don't have the competitive advantages they had with x86. They had a monopoly there, but in the ARM space they would be just one of many.