That's why they do it. The sizes of Intel's 10nm is similar to or slightly smaller than everyone else's 7nm. Compare https://en.wikichip.org/wiki/7_nm_lithograp

That's why they do it. The sizes of Intel's 10nm is similar to or slightly smaller than everyone else's 7nm. Compare https://en.wikichip.org/wiki/7_nm_lithography_process https://en.wikichip.org/wiki/7_nm_lithography_process and https://en.wikichip.org/wiki/10_nm_lithography_process https://en.wikichip.org/wiki/10_nm_lithography_process .