It said its A14 manufacturing technology would arrive in 2028 and would be able to produce processors that are 15 per cent faster at the same power consumption as its N2 chips scheduled to enter production this year, or would use 30 per cent less power at the same speed as the N2 chips.
By comparison, Nvidia’s current flagship graphics processing units (GPUs) consist of two large chips stitched together, and its “Rubin Ultra” GPUs due out in 2027 will stitch four together.

TSMC said it planned to build two factories to carry out the work near its chip plants in Arizona, with plans for a total of six chip factories, two packaging factories and a research and development centre at the site.