I have a first-gen Zen from 5 years ago, and I feel no compulsion to upgrade. I recall reading press articles claiming the sanctions would set China back by dec

I have a first-gen Zen from 5 years ago, and I feel no compulsion to upgrade. I recall reading press articles claiming the sanctions would set China back by decades. Assuming they have chip- & interconnect-design chops to match, then they are likely only a decade or less behind the leading edge- which I did not expect.