Intel faced its first major recall due to the FDIV bug in the original Pentium processor, resulting in a financial loss of approximately $475 million USD.
The most recent Atom used in laptops is from 2016 and it was hardly fast back then. Up until recently, there were separate brands for Celeron and Pentium processors. Intel has now bundled both of them ...
In the summer of 2000, Dr. Thomas Pabst of Tom's Hardware Guide reported serious instability with Intel's new 1.13 GHz Pentium III chip that was so severe he couldn't sufficiently test the product.