MSI makes BCLK overclocking possible for the Ryzen 7 5800X3D


Hardware and Gaming Specialist

April 23, 2022 at 1:45 p.m.


AMD Ryzen 7 5800X3D © Nerces

© Nerces

The manufacturer of motherboards prepares a new BIOS AGESA which allows to unlock the BCLK of the last processor from AMD.

A few days before the launch of its new Ryzen 7 5800X3D and its revolutionary 3D V-cache, AMD had been clear: this processor is not designed for theoverclocking and the thing will be disabled.

Up to 4.87 GHz on CPU

At the time of the Ryzen 7 5800X3D test, we had tried – very quickly – to modify the BCLK since the CPU multiplier was inaccessible. Alas, if the option was indeed present, passing the BCLK to 103 MHz in the BIOS had in fact no effect.

Remember that this BCLK – or block base clock – is in a way the base frequency of the system from which the others are calculated (CPU, RAM, PCIe, etc.) via various multipliers. That of the CPU is generally blocked, except on the ‘K’ series from Intel.

MSI overclocking Ryzen 7 5800X3D © WCCFTech

© WCCF Tech

Since then, a few smart guys have managed to unlock the BCLK, but the manipulation was not easy and it was finally MSI who was the first to find the solution. In the next few days, the Taiwanese should deploy a new BIOS AGESA allowing BCLK overclocking.

© WCCF Tech

MSI points out that this BIOS will be reserved for the most high-end X570 motherboards, the Godlike, Ace and Unify models. According to the information currently available, it would be possible to reach 107 MHz of BCLK for a processor then running at 4.87 GHz @ 1.328 Volts.

An appreciable boost which brings a nice improvement in performance since we are talking about + 7.5% on the test single core of Cinebench R23 (1,596 points) and 4.9% better on the test multi core (15,488 points).

Source : WCCFTech

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