Probably TSMC - 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-amp

Probably TSMC - 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...