![]() ![]() Set the XMP, then just lower the memory frequency to twice the fabric frequency (I.e., fabric at 2000 MHz, memory at 4000 MHz, etc.). If you have a 4500 MHz kit of memory, this works fantastic. If you have a decent set of B-die Samsung or a high-frequency Micron or SK hynix kit, the first step is to apply the XMP timings that are guaranteed to work. Most Ryzen 5000G chips will max out fabric clocks between 2300-2500 MHz on AIO cooling, which means you can push your memory as high as DDR4-4600/5000 and still stay in coupled mode. The SOC is already adjusted to 1.37V-ish to overclock the graphics core, and this is the same voltage we should use to push the fabric and memory controller. In the best-case scenario, you’ll want to stick to those two hard and fast rules use coupled memory and fabric, and use an ‘even’ ratio on the fabric. For example, 2000, 2200, and 2400 MHz are your best bet for fabric clocks. Also, ‘even’ fabric multipliers seem to yield better efficiency than ‘odd’ multipliers. AMD calls this “coupled mode,” which you can see with Ryzen Master if you don’t trust your motherboard BIOS.īasically, the optimal setting is to keep your fabric speeds (FCLK) at exactly half the speed of the memory – for instance, a 2000 MHz fabric paired with 4000 MHz memory. This rule applies to all current Ryzen chips, but is doubly important for APUs. ![]() I lump these two settings together because you really want to keep them synced for the best performance. We tapped the GPU core frequency out at 2425 MHz, so let’s push the fabric and memory clocks to unlock some additional gains. ![]()
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