Share quotes of Apple suppliers fell after forecasts that Apple in the first quarter of 2021 will load "only" 80% of 5nm TSMC capacities instead of 100% in the fourth quarter of the outgoing year. It is believed that this is due to the relatively low demand for the iPhone 12 series. However, the well-known analyst at TF Securities Ming-Chi Kuo believes that not everything is so simple.

The market shouldn't pay too much attention to how much of TSMC's 5nm production is used by Apple, he said. Changes in Apple's production volumes are more likely due to seasonality than low demand for the iPhone 12. In a research note for investors, the analyst writes that it would be overly optimistic to believe that Apple's 5nm capacity utilization by Apple in the first quarter of 2021 will level of 100%.

iPhone 12 did not play well, due to cost.

But it is first public proof (outside leaks here at PV and few other small places) that Apple used all 100% of 5nm TSMC capacity.

It also means that Apple stood behind attack on Huawei, as without it they had no chance to compete as Huawei actually offered better prices and wanted to take at least 60% of capacity and up to 75% during spring 2021.

This was also reason why Apple had Ryzen based notebooks ready in case something go wrong with M1 chips production.