The Ryzen 7 5800X3D processor with 3D V-Cache technology is different from other AMD Ryzen processors. It does not unlock the CPU voltage and frequency adjustment, and there are no PBO-related options in the BIOS. AMD said that the processor has maximized the frequency and voltage when it leaves the factory. However, the board factory will always find a way to circumvent these restrictions. In fact, as early as the end of April, MSI released a BIOS that can unlock the
Ryzen 7 5800X3D FSB overclocking. But the highest frequency is a bit difficult for most players, and it is necessary to use a motherboard with an external clock generator. MSI is still working on a new BIOS that unlocks voltage offsets and PBOs, allowing more users to tweak the processor.
MSI forum administrator Svet
gave the E7C35AMS firmware for the MEG X570 Unify, which has unlocked additional Vcore offset, Precision Boost Overdrive (PBO), and Curve Optimizer. But he said MSI does not recommend users to overclock the Ryzen 7 5800X3D.
He also released a screenshot of the Ryzen 7 5800X3D using this BIOS to turn on the PBO. Judging from the Cinebench R23 running score, the multi-threading score of the processor has increased by 4.7%, and the single-threaded performance has increased by less than 1%, which is almost no improvement.
It doesn’t make much sense to expect to use this BIOS to further improve the performance of the Ryzen 7 5800X3D. At present, this BIOS is still in a BETA state, and there may be some unforeseen bugs. Please decide whether to flash it.