This node will be used for Qualcomm's next-gen flagship 5G mobile chips but it's rumored that these may need to be delayed as Samsung is unable to achieve satisfactory yields.
Samsung has been offering foundry services for some time now but the South Korean electronics giant is still struggling to attract clients. TSMC is the best in the industry and can charge higher prices than Samsung's foundry business due to its proven track record of being able to deliver on its promises.