Intel Corp (INTC)

[morrowinder]

Apparently EPYC has some big problems with virtual machines...

AMD does have a big disadvantage with virtualization, however. It remains to be seen how virtual machines will behave when data has to not only jump across cores / CCXs, but across dies as well. A 10-core virtual server, for example, would have to leverage 8-cores from one die and 2-cores from another. The additional latency that will inevitably come from having to send data from one die to another, will likely affect performance negatively with some workloads.

Intel was also quick to point out that there is currently no virtual machine interoperability between Xeons and EPYC. If AMD had a major presence in the data center that would be less of an issue, but as of today, Intel has virtually all of the market cornered, so IT admins managing many virtual machines on Intel hardware would have to re-create them from the ground-up on EPYC.

Read more at https://hothardware.com/reviews/intel-xeon-scalable-processor-family-review?page=3#mOeGYH6OOjdd2D0V.99