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How to overclock your AMD Ryzen CPU



Repeat the above steps, raising the multiplier and the voltage one after the other, until you can't go any further. Perhaps you can't get the next step to stay stable, or maybe your temperatures become uncomfortably high. Write down your highest stable settings and take a breath. (For me, I achieved a multiplier of 40 with a core voltage of 1,2625.)

If you want, you can stay there. But if you are still hungry for more performance, there are some other things you can check out in your BIOS …

Load-Line Calibration : When your CPU requests voltage, it may sometimes experience something like is called "Vdroop", where the voltage drops below the specified level under load. Load line calibration, also called LLC, combats this by making the voltage delivery a little more accurate. So, if you're trying to get things a little more stable at a higher clock, LLC can help bridge that gap (or if your motherboard delivers too much excitement, LLC can help get your temperatures just a little lower). Just make sure you do not set the LLC too high, as it may cause your voltage to be exceeded instead of deficit and cause temperature spikes.

Do some research on the motherboard and how it implements the LLC-some boards use "1

" as the highest setting, while others use it as the lowest – and do some trials and bugs to see which option will get you closest to Vcore you set in the BIOS (you can see that the voltage is supplied to your CPU in the OCCT monitoring window). My motherboard's auto setting was actually pretty good, but I've used motherboards that were far away, and in such cases, LLC can help quite a bit.

XMP and RAM overclocking : On Intel machines, RAM speed does not tend to make a big difference in performance and fading with RAM speeds can cause instabilities that are difficult to get stuck. Ryzen is different, however: AMD's Infinity Fabric architecture brings higher RAM speeds to deliver noticeable performance increases. As soon as you hit a wall with your CPU speed, try kicking your RAM speed up a notch either by enabling XMP (which will run RAM at its nominal speed instead of the lowest supported speed) or by manually set the RAM frequency, timing, and voltage.

If you tweak it manually, you can even push it longer than indicated on the box. Whatever you decide for your RAM, you should definitely make a whole round of Memtest86 + to ensure stability.


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