No further details were provided. According to earlier report, TSMC plans to offer 5nm risk production in late 2019. This process is aimed at high performance computing as well as mobile applications. Presumably, the process will be ready for mass production in 2020.
The 5nm process from TSMC promises 15 percent higher performance or 20 percent lower power connsumption, and a 1.8x greater density, in comparison with the firm's 7nm (non-EUV) process.