In my years of experience as a technical support engineer in the web hosting business, I've rarely seen hosting companies use AMD processors. Most web hosting companies just prefer Intel over AMD. I don't know the reason or if it does have an impact on the final product, but it is what it is.
Intel is more ubiquitous as the name "Xeon" has become synonymous with dedicated servers. However the big providers like Google and Oracle use AMD's Epyc CPU which has I think 128 cores, a monster compared to the usual 4-8 cores. I've been using Intel's Xeon processor since it's inception and it has proved to be able to handle resource intensive processes very well.