Curve Optimizer maximum offset?

[GotNoRice]

I'm just curious what the maximum Curve Optimizer offset is supposed to be?

With my 9800X3D and Gigabyte Aorus Pro X870E, I have it set as -60 (all core) in the BIOS (anything -61 or more returns "invalid input range"). But Ryzen Master reports Curve Optimizer as still being set as -50. I've rebooted multiple times to confirm that it's still set at -60 in the BIOS, but I'm not sure which one is correct. Up until -50, both the BIOS and Ryzen Master always reported the same value.

Searching the internet, I found one post from about two years ago from a supposed AMD employee claiming that the Maximum in a then current AGESA update was -50 for Zen 4 CPUs. Whether that is/was true, or whether that still applies to the current AGESA, Zen 5, and/or X870E, I don't know. I've also found posts from owners of other motherboards (including other brands) that claim their boards also allow values up to -60.

I'm not sure how else to confirm what the Curve Optimizer offset is actually set at other than Ryzen Master, to know if it's actually at -60 (as set in the BIOS) or -50 (as reported by Ryzen Master).

 

[tabascosauz]

I don't think I've heard anything I'd regard as definitive proof that beyond -50 is possible yet. Reddit is a no-go for being authoritative.

I'm aware that some board vendors set the limit at -60, but iirc they didn't wait until the ceiling was officially raised in Raphael either.

In any case, -50 is still a hefty bar for most CPUs to actually attain with true stability under torture (long testing with HYDRA). Make sure you test and that clocks and performance actually increase - it's not just about running some OCCT and calling the win just cause it doesn't crash usually.

 

[GotNoRice]

In any case, -50 is still a hefty bar for most CPUs to actually attain with true stability under torture (long testing with HYDRA). Make sure you test and that clocks and performance actually increase - it's not just about running some OCCT and calling the win just cause it doesn't crash usually.

Absolutely. It took me a good 6 months or so to fully dial-in my 5800X3D. I've been using Core-cycler, along with a mix of all-core loads, as well as regular gaming and normal usage to test stability. With my 9800X3D, I've been taking it slow, increasing my offset and then waiting a few days before increasing it more. I thought that I was doing good when I got to -30. I'm blown-away that I've even got to the point where the max limit would potentially be an issue. Part of me almost wonders if Curve Optimizer is working correctly, since it seems almost too good to be true. My 5800X3D was very picky and took a lot of work to really dial-in, whereas this CPU has not been picky at all so far.

I'm currently able to maintain an all-core boost speed of over 5.5Ghz at 1.155v during all-core workloads, using curve optimizer and a 102 BCLK. Everything seems stable, in fact, I have not had even one single BSOD or crash/freeze since my mobo/CPU/RAM upgrade. If this holds up and remains stable, this would even take the crown from my 2500k as the best CPU I've ever owned IMO.

 

[Launcestonian]

What apps are you using to test your OC settings?

 

[GotNoRice]

What apps are you using to test your OC settings?

Mostly CoreCycler and just using the computer like normal, since a large Curve Optimizer offset usually causes instability at idle and during lightly-threaded loads, but I've also used Cinebench R23 and Prime95 to test All-Core loads.