The Spectre Mitigation Performance Impact On AMD Ryzen 5000 "Zen 3" Processors

Keep in mind the "default" performance is what you are used to seeing from our prior Ryzen 5000 series benchmarks on phoronix and elsewhere with most testing in the default/out-of-the-box configuration.

As with previous CPU generations, disabling the mitigations via the "mitigations=off" control can help with the I/O performance but puts your system vulnerable to Spectre V1/V2/V4. In any case, the Ryzen 5 5600X performance continues to shine with great generational uplift regardless of mitigation state.