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AMD Raven Ridge (2000-Series Zen APU) Overclocking Guide

By: Steven Bassiri | AMD CPUs in CPUs, Chipsets & SoCs | Posted: Mar 10, 2018 12:00 am

CPU Multiplier




I suggest either using the UEFI for all overclocking or using AMD's Ryzen Master for all overclocking. However, if for some reason you don't want to do everything in the UEFI, you can just set DRAM and CPU multiplier and voltage in the UEFI and then only allow Ryzen Master to change the iGPU settings by unchecking the green box next to CPU and memory settings.




In Ryzen Master you can change all core frequency at the same time, and in the UEFI it is possible as well. You can also change the CPU multiplier in Windows with Ryzen Master.




VCore or rather CPU Voltage can be changed in both the UEFI and in Ryzen Master. We do recommend you try to stay under 1.4v and not go over 1.45v. The voltage can also be changed in Windows. You will ultimately be limited by temperatures rather than voltage level since the CPU uses paste instead of solder. The CPU core voltage might be called many things: VCore, CPU Voltage, or CPU Core Voltage depending on the UEFI.




The SoC Voltage in Ryzen Master is equal to VCore SoC, NB voltage, or SoC voltage depending on the UEFI. We recommend sticking around 1.2v. In some UEFI's you have both an iGPU voltage and a SoC voltage, and they don't correlate, but in other UEFIs if you change or set SoC voltage it will also change the iGPU voltage, as they sync when you manually set voltages. I would keep SoC voltage equal to iGPU voltage if there is one. The SoC voltage helps memory overclocking too.




Load Line Calibration helps keep the voltage from dropping under load, but with AMD this isn't as big as a concern as with Intel since their default LLC equation isn't like Intel's and you might not even have to set LLC. In many cases, the motherboard vendors optimize this voltage automatically, but if you want to manually tinker, you can easily do it.



Ryzen Master doesn't provide LLC control, but UEFIs typically give users control over both VCore and SoC LLCs, since they are separate VRMs on the motherboard. Some vendors name their SoC LLC as GFX, NB, or VAXG LLC as it's just a naming convention.

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