This makes me hope that maybe all those chipmakers will finally move on from that extremely long-lived 28nm node. It has been heavily used since 2011-2012 and even companies like Qualcomm have been using it as recently as last year in the lower-end range of products. Companies like Allwinner, Rockchip, Amlogic have yet to release a single chip on newer nodes.

What this means is that the 28nm node has been the cheapest now for 7 years running. Usually, when new nodes came up, the cost per transistor initially was lower, while the yields are slowly improving. But after ~1-2 years, the new node was always more cost-effective then older nodes, per-transistor.

This wasn't the case with the 28nm, which stuck around for 7 whole years, and still seems to be the most cost-effective. But surely, now with 7nm available that won't be the case for much longer. Good riddance.