VirtualLarry
No Lifer
- Aug 25, 2001
- 56,327
- 10,035
- 126
I've basically resigned myself to accepting a 4.20Ghz OC on this new 3600.
I tried for 44.0 multi @ 1.35V vcore (highest vcore that I was willing to try), that was a no-go, wouldn't boot windows, but it would POST.
Tried 43.50 multi @ 1.35V, no-go.
Tried 43.00 multi @ 1.35V, no-go.
So, back to 42.00 multi, now @ 1.25V rather than 1.28125V.
Thinking about this for a bit - these CPUs are binned with a Fmax for each core, of 4.2Ghz (max single-core stock boost). Maybe 0.25Ghz over that, due to PBO or XFR or whatever.
So, being able to finally do an all-core OC of 4.20Ghz with these, is essentially like MCE mode on Intel. Something that I couldn't effectively do on my initial-release CPU. (Although, I probably should have tried it again, with the newest AGESA already on my board. Maybe that was the issue, and I didn't need to change chips?)
But I think that this newer silicon is better, I'm getting 63C max now with 1.25V. Package power is 67W. That's pretty darn good, for 4.20Ghz all-core. WAAAAY better than Zen1. Of course, 7nm TSMC versus 14nm GF. What a difference!
I tried for 44.0 multi @ 1.35V vcore (highest vcore that I was willing to try), that was a no-go, wouldn't boot windows, but it would POST.
Tried 43.50 multi @ 1.35V, no-go.
Tried 43.00 multi @ 1.35V, no-go.
So, back to 42.00 multi, now @ 1.25V rather than 1.28125V.
Thinking about this for a bit - these CPUs are binned with a Fmax for each core, of 4.2Ghz (max single-core stock boost). Maybe 0.25Ghz over that, due to PBO or XFR or whatever.
So, being able to finally do an all-core OC of 4.20Ghz with these, is essentially like MCE mode on Intel. Something that I couldn't effectively do on my initial-release CPU. (Although, I probably should have tried it again, with the newest AGESA already on my board. Maybe that was the issue, and I didn't need to change chips?)
But I think that this newer silicon is better, I'm getting 63C max now with 1.25V. Package power is 67W. That's pretty darn good, for 4.20Ghz all-core. WAAAAY better than Zen1. Of course, 7nm TSMC versus 14nm GF. What a difference!