Because there is still big money in old nodes. Half of TSMC's revenue last quarter was from nodes >14nm. https://www.anandtech.com/show/16621/tsmc-q1-2021-proc

Because there is still big money in old nodes. Half of TSMC's revenue last quarter was from nodes >14nm. https://www.anandtech.com/show/16621/tsmc-q1-2021-process-node-revenue-more-7nm-no-more-20nm https://www.anandtech.com/show/16621/tsmc-q1-2021-process-no... Even Nvidia's RTX 3080TI is on an optimized version of Samsung's 10 nm node.