The largest number of high-performance ARM cores you can get in a single socket is the Ampere Altra Max with 128 ARM Neoverse-N1 cores. At 2.6 GHz the processor

The largest number of high-performance ARM cores you can get in a single socket is the Ampere Altra Max with 128 ARM Neoverse-N1 cores. At 2.6 GHz the processor consumes 190 W, and at 3.0 GHz up to 250 W. This is a server chip, not something you can put in a laptop. Source: https://www.anandtech.com/show/16979/the-ampere-altra-max-review-pushing-it-to-128-cores-per-socket https://www.anandtech.com/show/16979/the-ampere-altra-max-re...