"AMD results were more vulnerable than Intel's because most AMD-based PC customers were consumers.
In contrast, Intel had a significant share in the business PC segment," said Mikako Kitagawa, analyst at research firm Gartner.
"The results reflect a weaker consumer PC segment than the business PC segment."
Order cuts by networking equipment makers have also cast a shadow over demand for products by Xilinx, the data center and networking chip company AMD acquired last year.
Data center segment revenue was flat at $1.30 billion during the quarter.