AMD today released a new version of the AGESA microcode for the Zen4 Ryzen 7000 series, version 1.0.0.3. This is the first update since the launch of the new platform, but it is a bit of an update. Step backwards & throughout; .

The new version reintroduces the Precision Boost C-State Boost Limiter (PBO) limit that was previously missing from AGESA 1.0.0.2. When more than four cores are simultaneously under heavy load, such as rendering, large games, toasters, etc. The maximum acceleration frequency will be limited to no more than 5.5GHz.

A NopBench test on a fast Asus ROG CROSSHAIR X670E EXTREME motherboard found that the Ryron 9 7950X 16 cores could accelerate to around 5.7GHz using the 0046 and 0611 BIOS versions earlier.

However, upgrading to version 0705 BIOS based on AGESA 1.0.0.3 microcode,Only three cores accelerate to 5.7GHz, one to 5.6GHz, and the others hover between 5.4ghz and 5.5GHz.

Compare the blue and green curves in a graph to make it more clear:

There will be some performance penalty, of course, butIt should be due to the dual considerations of power consumption, heat and safetyAfter all, the entire core is at ultra-high frequencies and could be unstable or even damaged.

If you insist on multi-core high frequency, you can stick with the older BIOS.

Asus motherboard users can find it in the new BIOS.Medium Load Boostit” And turn it on, you can bypass the acceleration limit and continue to get multi-core high frequencies.

Take a look at the red curve below:

By the way, part of the motherboard can also be combined with BIOS constitution (see SP value level),Set the maximum acceleration frequency for each coreTo make the frequency of physical fitness run higher.