Taipei: Taiwan's MediaTek unveiled on Tuesday a new smartphone chip made using ?TSMC's most advanced manufacturing technology, as it targets the premium handset market with semiconductors capable of running more AI features directly on the device.The move is part of a broader effort to gain ground on U.S. rival Qualcomm in premium phones, where higher-priced devices and AI features offer chipmakers better margins.MediaTek said the Dimensity 9600 Pro is its first mobile processor built using Taiwan Semiconductor Manufacturing Co's cutting-edge 2-nanometre process. ?It also introduced the Dimensity 9600M, made using TSMC's 3-nanometre process and aimed at a broader segment of…