Overclocking Raven Ridge
AMD's Raven Ridge CPUs have been out for a few weeks, and today we will teach those of you who just jumped on the APU train how to overclock the new CPUs. We found some interesting things on this journey, and we had help from AMD as well. Due to the early nature of the platform, AMD recommended we overclock through Ryzen Master instead of the UEFI so that that motherboard vendors can get things in order.
For instance, we weren't able to overclock the integrated Vega Graphics through the UEFI; our settings wouldn't stick once we booted into Windows. We contacted the vendor, and that vendor told us we need to set graphics frequency and graphics voltage, and that fixed that issue. Issues like that are common with updates to an already existing platform for a new architecture, and they are quickly remedied with future vendor UEFI updates, so, for now, we recommend using Ryzen Master if the UEFI overclocking isn't working. We will cover both types of overclocking in this guide.
The flow chart above has been tweaked a bit if you compare it to the OC flow chart we recommended for Ryzen 3, 5, and 7 CPUs. For starters, the new APUs don't have a temperature offset, so we lowered temperatures. We added a Vega Graphics section, but from now on we will refer to discrete GPU as dGPU and integrated GPU as iGPU. The new Raven Ridge APUs seem to be able to hit 4GHz and even perhaps a bit higher with ease.
However, the new APU's heat spread and die are not soldered, so temperatures go higher. They aren't that much higher, and so our voltage recommendations have not changed for CPU overclocking. Memory overclock was a bit easier on these new APUs, our samples were able to hit 1500MHz iGPU clock with ease with a 1.2v SoC/iGPU voltage. We recommend a nice memory overclock, as the Infinity Fabric allows the CPU and GPU to communicate.
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