Before testing Ryzen 9000, we took a peek at the 14600K and 14900K to see what the new voltage-limited default settings did to the processor's performance. Compared to our way of testing, it wasn't a monumental difference, but it's there and it's certainly measurable. You can easily expect processors like the i5 13600K, i7 13700K, i9 13900K, i5 14600K, i7 14700K and i9 14900K to see a 3%<>7% drop in multi-threaded performance. Single-thread performance remains roughly the same. In gaming, we noticed very subtle effects, really small within a margin of error even.
However, if you compare Intel's new (stock) default BIOS voltage with the motherboard manufacturer's standard tweaks that they apply, then the results can easily be 10% of even higher, and that is significant. For example, if you have bought a premium motherboard from, say, MSI, ASRock, ASUS or others, they will have tweaked the BIOS for you to get better performance. If you compare these settings with the new Intel stock settings, you'll see a drop in performance. My story doesn't end with that conclusion, as the Intel issue hasn't been solved yet; somewhere in August again a new firmware revision from Intel will be pushed to motherboard manufacturers, which again can have an effect on performance. So all results for the Intel 13000 and 14000 series are served as is. We are already in the process of re-benching the primary Intel processors with early internal BIOS versions, starting with the 9900X and 9950X reviews these results will propagate into the articles.