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post #1 of (permalink) Old 02-04-2019, 10:54 AM - Thread Starter
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How to correctly overclock Ryzen 5 2600 [Multiplier vs Boost]

Hi mates,
I've been searching a lot about correct way of overclocking Ryzen 2XXX series but still some thing I'm not getting. I've made some tests and found that for my R5 2600 (non X) I need 1.35v for 4.0GHz and 1.42 for 4.1GHz. So, on "traditional" overclocking that would be OK. Another thing is that on my motherboard (MSI x470 Carbon) there's a bug which disables AMD cool and quiet when overclocking, and thats not good.

On those new Ryzen 2XXX they included some new tecnologies, XFR2, PB2 and PBO.
XFR2 and PB2 are normal boost modes, going from 3.4 to 3.9GHz maximum, following the CPU stock values (on 2600), so manually overclocking to 4.0GHz is way better than normal boost, that only achieves 3.9GHz on 1-2 cores and 3.7GHz on all cores.

From what I've read, PBO is able to push ABOVE those normal boost levels, but as far as I've tried, is doing nothing. I've enabled PBO on UEFI and still seing maximum of 3.9GHz on single core and 3.7GHz on all cores.... Also I've read on some places that PBO is only for the X versions, and on anothers that it's for al 2XXX Ryzen's.

So now the concrete questions:

Can PBO push above normal boost clocks? For example, on a Ryzen 2600 (3.4-3.9GHz) go up to 4-4.1GHz?
Is PBO only for X versions? (2600x 2700x)
Is PBO overclocking better than traditional overclocking?
Is only a MSI bug or all boards disables downclock and downvolt (Cool and quiet) when changing multiplier?

Thanks guys!

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