I don't think they've revealed *THE* problem with their 10nm process, but it seems to essentially be that they are having so many defects on it that they can't make reasonably large chips or chips ...

It's not surprising to find that the Ryzen 7 9800X3D is the most popular processor on Amazon.com right now. The chip we called the New Gaming ...

I believe only LGA-1156 was supposed to be the traditional desktop - dual channel, like for ages. HEDT started with 3 channel boards at same 4C (= same core count as desktop), then grew over time.