On December 3, Apple's chip manufacturing partner TSMC has started trial production of 3nm chips, which is expected to be mass produced in the fourth quarter of next year. This chip is expected to appear in Apple's latest iPhone smartphone in 2023 p> < p > according to industry insiders, TSMC has started the pilot production of chips using the 3-nm process in fab 18, its wafer factory, and plans to achieve mass production by the fourth quarter of 2022 p> < p > last month, it was reported that Apple would use 3-nanometer chips on MAC, iPhone and iPad. Although there are rumors that the iPhone 14 released in 2022 will use 3 nano chips, new reports say it is expected to start with the new iPhone and MAC launched in 2023 p> < p > at present, Apple's self-developed chips, including A15, M1, M1 pro and M1 max, adopt the 5-nm process. More advanced processing technology will significantly improve the performance and energy efficiency of Apple products. It is reported that Apple's Roadmap shows that its chip products will continue to "easily surpass Intel's PC processors" in the future. < / P > < p > however, TSMC's plan to produce 3nm chips may still change. It is reported that TSMC has many challenges in the process of mass production of 3 nano chips, and the relevant time point is likely to be delayed. If everything goes according to plan, consumers will see the first generation of iPhone and MAC computers with 3 nano chips by the end of 2023, and their performance and energy efficiency will be significantly improved. (Chen Chen) < / P > < p >