The Mitigation Impact Difference On AMD Ryzen 9 3900X vs. Intel Core i9 9900K Performance
Written by Michael Larabel in Processors on 9 October 2019. Page 5 of 8. 18 Comments

The PostgreSQL database server also sees a significant uplift when disabling the relevant mitigations on these processors, but the Ryzen 9 3900X was still ahead of Intel in these tests.

The GNU Octave performance on the Intel CPU came ahead of the AMD Zen 2 CPU when disabling mitigations.

Disabling mitigations also generally meant Intel was delivering better Redis performance.

The micro-benchmarks where the Core i9 9900K has the greatest hit from these software mitigations is certainly with the context switching performance.

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