"By now you have likely seen our initial AMD EPYC 7601 Linux
benchmarks. If you haven't, check them out, EPYC does really deliver on
being competitive with current Intel hardware in the highly threaded
space. If you have been curious to see some power numbers on EPYC, here
they are from the Tyan Transport SX TN70A-B8026 2U server. Making things
more interesting are some comparison benchmarks showing how the AMD EPYC
performance compares to AMD Opteron processors from about ten years ago."