Actually Qualcomm moved from Samsung to TSMC 4NM to build the Snapdragon 8 Gen 1 (4NM is the marketing name for the most advanced 5NM node)
https://www.qualcomm.com/products/application/smartphones/sn...
Qualcomm saw big gains in efficiency and performance by moving from Samsung to TSMC. Various high end Android phones use this chip already.
https://www.anandtech.com/show/17395/qualcomm-announces-snap...