It’s not even close. Samsung alone ships around 400 million phones a year, that’s 400 million ARM devices a year from a single manufacturer. The number of total consumer ARM devices sold each year is in the billions.

RISC-V total total estimated market value is only around $10 billion, and I strongly suspect a single RISC-V chip cost more than a dollar. RISC-V manufacturing needs to increase something in the order of 1000X just to match ARM volumes, and even then it’ll be half a decade for RISC-V devices to build up meaningful market share of actual in-use devices, given there’s many billions of ARM devices out there which will remain perfectly usable for many years.