Over 250 billion Arm chips have shipped since the first #ARM1 processor launched 40 years ago
ARM1 #CPU ended up being a pioneering #RISC chip, featuring just 6,000 gates, while modern Arm processors feature more than 100 million.
Arm admits that the signature quality of its chips – their energy efficiency – was driven out of frugality they couldn't afford ceramic chip packaging so had to be very strict about efficiency, so plastic packaging would be acceptable.
https://www.tomshardware.com/pc-components/cpus/over-250-billion-arm-chips-have-shipped-since-the-first-arm1-processor-launched-40-years-ago