MSI B450 motherboard BIOS update: support AMD Curve Optimizer automatic overclocking
December 18th 2020
AMD released AGESA 188.8.131.52 Patch D version motherboard firmware for X470 and B450 chipsets this month, bringing many new features and improvements to Ryzen 5000 series CPUs. According to wccftech report, the new BIOS of MSI B450 motherboard can be matched with AMD Ryzen 9 5900X CPU to support AMD's Curve Optimizer function. This function lowers the voltage by manual setting , and the CPU can automatically increase the frequency to improve performance while lowering the temperature .
The Curve Optimizer function has three options in the BIOS. Users can set all cores to be turned on synchronously, or set each physical core individually. The "All Core Curve Optimizer Magnitude" option is the reduced voltage value, and the unit is unknown. MSI officially set it to "15" for running score test.
According to the results, after turning on the Curve Optimizer function, the Ryzen 9 5900X CPU multi-core maximum frequency increased by 125MHz, and the single-core maximum frequency increased by 50MHz. The Cinebench R20 multi-core score was 8513 points after the depressurization, which was an increase of 2% compared to before opening; the single-core performance increased by 1.6%. Not only that, the temperature of the CPU has also been reduced, and the temperature has dropped by 1.3°C during the single-core test.
Setting the buck value to 15 is somewhat conservative, but there is still a visible improvement. Users can try a larger value to get a more obvious improvement. If the pressure drop value is set to 30, it will cause the stability of the CPU to decrease.
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