AMD’s Ryzen 7 5800X3D officially went on sale just yesterday and is already sold out at most retailers. The processor fulfilled AMD’s announcements and promises and is to date the fastest processor in our CPU index for gaming and at the same time efficient. Compared to its Zen 3 brethren without a stacked L3 cache, however, AMD has deactivated overclocking via a multiplier and theoretically leaves users only memory and IF OC. MSI would like to address this issue and others with the new version of AGESA 1.2.0.7.
In practice, there is a possibility of overclocking by BCLK. Regardless of the experiences of some overclockers, the last processors that had any real use and were not controlled by BCLK steps and servos were Intel’s Westmere EP chips in 2010. With no other options, this approach is now used with the 5800X3D applied. A few days ago, the first overclock successfully broke the 5GHz barrier with the 5800X3D, which should deliver barely any OC voltage due to the 1.35V max constant voltage of the L3 cache.
Buying a Ryzen 7 5800X3D: May be ordered only occasionally [Update]
MSI is now planning to remedy this. With the introduction of AGESA 1.2.0.7, the fTPM issue should be resolved on all MSI motherboards with 400 and 500 chipsets and all AMD processors including the 5800X3D should be supported. Motherboards with 300 chipsets should have the corresponding UEFI versions next month, and then also support the current set of CPUs. At the same time, MEG X570 Godlike, MEG X570 Ace and MEG X570 Unify, MSI’s high-end motherboards, were given the option to adjust the base CPU clock.
MSI X570 motherboard without external clock [Quelle: PCGH]
UEFI for MSI X570 Godlike with AGESA 1.2.0.7 and External Clock [Quelle: Wccftech]
This should be able to set the chip’s base clock to improve overclocking via an external clock generator and thus explore the limits of 5800X3D. In the first MSI screenshots available to Wccftech, a BCLK clock of 107MHz was achieved with UEFI 1.H1 (beta), which means a performance increase of 7% in single-core applications and 5% in multi-core applications is sufficient. This allows the 5800X3D to compensate for clock defects compared to the 5800X and also overcome them in application performance.
However, it is important to note that BCLK overclocking is by no means a viable option these days. In addition to the processor, this also negatively affects the stability of PCI-E, SATA and m.2 devices. Newer graphics cards and NVMe SSDs in particular have problems in this regard, which is why overclocking by multiplier should be preferred for all CPUs.
source: Wccftech
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