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***The Official 5900X \5950X owners thread***

No idea how some of you are getting 30k+ with PBO. 28895 is my best so far. Tried tweaking all sorts with CO, boost, etc etc, overtime the cores will always converge around 4.3ghz. Chip diff, motherboard, cooling? I'm up to around 78C, but I can easily surpass both performance and temps with a standard manual overclock. Would love to drop this into an Aorus Master or similar but don't fancy spending £350 to find out :D
 
Adrianr said:
No idea how some of you are getting 30k+ with PBO. 28895 is my best so far. Tried tweaking all sorts with CO, boost, etc etc, overtime the cores will always converge around 4.3ghz. Chip diff, motherboard, cooling? I'm up to around 78C, but I can easily surpass both performance and temps with a standard manual overclock. Would love to drop this into an Aorus Master or similar but don't fancy spending £350 to find out :D
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Noticed the same for me, my normal single core is 1552~ at stock, but no matter what I can't get to those Multicore points.

I'm on an ASUS Strix F.

The Master was also my first choice, but no stock, this is more workstation than gaming system; and it's perfect for that. Just, that itch to get points :P
 
Doug2507 said:
You'll get higher multi core with more aggressive curve.
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Likely, but it would just be for numbers and then I'll go back to stock for work. Gotta say this is such a massive upgrade over my i7 5820K, even in gaming, it's night and day.

Should last until the next generations, and DDR5 is settled on decent prices.
 
Doug2507 said:
How does that even make sense though. Why would you want your worst core to take the biggest swing? Surely you want the best cores to have the largest swing (better cpus need less volts mentality), worst cores the smallest swing, then bring the whole lot up with +vcore offset within temp constraints / headroom. I need to go watch the amd vid again....

I'm sure they even said when using curve, start with your best cores...

If you leave pbo offset on +0, set all core to - 30, chances are you can boot and be stable, some chips might not be able to do this (maybe a weak core). When you start raising pbo offset, you'll only get so far then you'll loose stability or fail to boot resulting in the need to reduce neg offset on cores. This is because the neg offset swing is too much on your weaker cores. You'll end up reducing neg offset the more you add to pbo boost. Strongest cores will have the highest neg offset and weakest cores the lowest (or maybe even need to be positive if pbo offset is high). All of this ends up being a fine balancing act for getting the maximum perf on multi and single core along with package power and temp.
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I don’t understand it either but it’s worked for me, all cores boosting to 5ghz and fully stable using realbench, cbr20 multiple passes and r23, when I was doing it the other way only a few cores would boost to 5ghz and they would all draw over 1.518v, now they all boost and draw under 1.5v
after a couple of hours of sitting, not one spike of 1.5v or above
OnSlnRw.jpg
 
woppy101 said:
You need to give the highest negative offset to your worst performing cores
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I will have to play with that more in the coming days. I was a little ticked off that under stock PBO Auto and just my 3800/1900 RAM setting I had a random reboot / bios reset yesterday at idle. Testing again with PBO settings and so far no reboots. Also, out of curiosity when you guys select "motherboard limits" for power under PBO what is your EDC value? I have a Gigabyte Aorus Pro Wifi x570 and that maxes out PPT and TDC for my board but sets 215A for EDC. During multi-core benchmarks I max out EDC. What is strange is that if I increase that value to the limit of my motherboard (I think it's 480a) then the clock frequency decreases. Is 215A for EDC like a magic # that the manufacturer programs for "motherboard limit"? I have a lot to learn about this 5900x as again the 5800x was simple to tune and predictable behaviour.
 
N19h7m4r3 said:
Noticed the same for me, my normal single core is 1552~ at stock, but no matter what I can't get to those Multicore points.

I'm on an ASUS Strix F.

The Master was also my first choice, but no stock, this is more workstation than gaming system; and it's perfect for that. Just, that itch to get points :p
Click to expand...

Hah, yeah. Knew I shouldn't have bloody come back on here. Thought I'd left this life behind :D
 
Adrianr said:
No idea how some of you are getting 30k+ with PBO. 28895 is my best so far. Tried tweaking all sorts with CO, boost, etc etc, overtime the cores will always converge around 4.3ghz. Chip diff, motherboard, cooling? I'm up to around 78C, but I can easily surpass both performance and temps with a standard manual overclock. Would love to drop this into an Aorus Master or similar but don't fancy spending £350 to find out :D
Click to expand...

You need aggressive curve to get high multicore. Try pbo auto, +0mhz, scaler auto, curve neg30 all core then start applying pbo boost, 25mhz increments and reduce curve neg as needed per core, mobo power limits, manual soc IOD/CCD, vddp. I got 9k+ R20 on 2x 5900x with this. One was just shy of 9.2k and hadn't finished tuning. Those were done with 3600c16 dcop as well.... It checked yet but even adding a little pos vcore offset before raising pbo boost might help multi as well, temps permitting.
 
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