As the sibling comment said, this is most likely a methodology error. The difference is due to the 3900X benchmark goes plainly wrong. I guess the take home les

As the sibling comment said, this is most likely a methodology error. The difference is due to the 3900X benchmark goes plainly wrong. I guess the take home lesson is if someone is benchmarking a Zen-like CPU without mentioning "NUMA" at least once in their post, just don't trust it.