Intel has been the world’s largest semiconductor company for 25 years.  On an overall revenue basis, Samsung is now the new #1 company, based on the advent of mobile and IoT technologies. 

https://www.pcmag.com/news/355252/intel-loses-chip-making-top-spot-to-samsung

Intel became the world’s largest semiconductor company by revenue in 1992 when is surpassed NEC. It has held the top spot ever since, but 25 years later and as predicted Intel is now just like NEC, being replaced. The new world’s largest semiconductor company is Samsung.

According to the Associated Press, for the April-June quarter, Samsung earned $7.2 billion on sales of $15.8 billion. Intel earned $2.8 billion on sales of $14.8 billion, pushing it into second place overall. However, Patrick Moorhead, principal analyst with Moor Insights & Strategy, said we will likely see the two companies swapping position a few times. Samsung’s rise to the top is thanks to mobile devices and memory. Consumers can’t get enough of mobile gadgets, which are typically full of Samsung parts