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- Dec 5, 2018
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Well.. as usual, the CPU will let you know when it does not like something that you have done. Your board will most likely die long before your CPU does.
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I honestly forgot about this thread but I have nothing to validate to you and I'm well aware of what a CPU can and cannot do. I've been overclocking and tuning PCs since before you were in diapers when we had to manually move jumpers on a motherboard. Thanks for your "warning" but I'm in no need of them. Suffice to say I've done all my stability tests and my 360mm AIO keeps my 9800X3D under 85C on Tdie and CCD at 5.6Ghz. I've built 7 systems or so with a 9800X3D that all perform similar with the worst of them needing 1.375v for 5.6Ghz stable and the best of which I've built (not my system) can do 5.5Ghz with a undervolt and a -35 negative offset on the curve optimizer with just a bit of manual per core adjustment.5.6GHz at 1.27v seems very nice, could you run OCCT CPU stability test or just Blender ?
**Just be careful your CPU to not hit 114C because your PC will turn off![]()
Mate, the old methods of overclocking are not related to the current CPU overclocking.I honestly forgot about this thread but I have nothing to validate to you and I'm well aware of what a CPU can and cannot do. I've been overclocking and tuning PCs since before you were in diapers when we had to manually move jumpers on a motherboard. Thanks for your "warning" but I'm in no need of them. Suffice to say I've done all my stability tests and my 360mm AIO keeps my 9800X3D under 85C on Tdie and CCD at 5.6Ghz. I've built 7 systems or so with a 9800X3D that all perform similar with the worst of them needing 1.375v for 5.6Ghz stable and the best of which I've built (not my system) can do 5.5Ghz with a undervolt and a -35 negative offset on the curve optimizer with just a bit of manual per core adjustment.
I should have been more clear, I guess I mistakenly assumed with your "expertise" we we're on similar knowledge footing and took the obvious for granted. The 5.6Ghz is done by simply setting a 56 ratio and manually adjusting voltages. The 5.5Ghz I mentioned was in fact set with PBO with a positive offset of +200 boost clock, then using a 101Mhz bus clock (54.25x101 = 5479Mhz) I used curve optimizer to set a negative bias then curve shaper to dial in the voltage steps as needed. You don't need a magic board to run a paltry 101Mhz bus clock. That's hardly what I'd consider "leaning on it".Mate, the old methods of overclocking are not related to the current CPU overclocking.
The curve optimizer affects PBO only, you can't reach 5.6 GHz with PBO because it only allows +200 MHz overclocking.
I'm very curious to know if you've found a way to do it, please explain it to me if that's not a problem for you.
Or just take a few pictures of the BIOS screen with your settings
Can you show one result with your 5.6Ghz from:I should have been more clear, I guess I mistakenly assumed with your "expertise" we we're on similar knowledge footing and took the obvious for granted. The 5.6Ghz is done by simply setting a 56 ratio and manually adjusting voltages. The 5.5Ghz I mentioned was in fact set with PBO with a positive offset of +200 boost clock, then using a 101Mhz bus clock (54.25x101 = 5479Mhz) I used curve optimizer to set a negative bias then curve shaper to dial in the voltage steps as needed. You don't need a magic board to run a paltry 101Mhz bus clock. That's hardly what I'd consider "leaning on it".
I couldn't find this bus clock in the MSI x870e to adjust it to 101 like you said. Although I want offset settings not a static OC.I should have been more clear, I guess I mistakenly assumed with your "expertise" we we're on similar knowledge footing and took the obvious for granted. The 5.6Ghz is done by simply setting a 56 ratio and manually adjusting voltages. The 5.5Ghz I mentioned was in fact set with PBO with a positive offset of +200 boost clock, then using a 101Mhz bus clock (54.25x101 = 5479Mhz) I used curve optimizer to set a negative bias then curve shaper to dial in the voltage steps as needed. You don't need a magic board to run a paltry 101Mhz bus clock. That's hardly what I'd consider "leaning on it".
Be careful with FCLK overclock, you could damage your SSD/Video because they get OC too!I couldn't find this bus clock in the MSI x870e to adjust it to 101 like you said. Although I want offset settings not a static OC.
Can you set a multiplier in offset override mode? I can't find the right settings for a 5.5 or 5.6 OC in offset mode.?
Just set your curve optimizer to a Negative 15 (you can test in the range up to -30, but test stability with OCCT)How are you guys setting up adaptive voltage in the 9800X3D?
I tried a few quick & dirty settings just getting the hang of tuning Ryzen tonight and have a few questions.
I want the voltage and frequency to drop when it's not under load, I don't want a constant clock speed of 5250MHz for example.
I added a PBO setting of negative 0.0375v adaptive offset to decrease some voltage.
I added a +200 to the PBO clock speed to bump it up to 5400 approximately
then went back to the ratio multiplier and set that to 55x which gave me a total of 5000MHz
The in-game voltage was about 1.215v plus/minus etc.
Am I wrong for playing with the PBO +200 and the ratio multiplier at the same time? Should I do one or the other? How are you guys doing it?
Also how are you getting the voltage to drop down when there is no load? I don't want a constant 1.2v and 5.5GHz when I'm not gaming.
Any tips/tricks/tweaks to help me tune this 9800X3D properly would be greatly appreciated.
It's pointless for x3D as their frequency is locked, so it's better to just get lower temperatures as a bonus.Have you increased your power limits at all? They are a part of PBO. Lots of people like to give less power, but you do that you get less performance. Just like when you set your own max temp lower than stock. Less performance.
Still?It's pointless for x3D as their frequency is locked, so it's better to just get lower temperatures as a bonus.
You can overclock zen 5 X3D partsStill?
Boooo. I thought they were like the X parts now. Bummer.
I have read the same thing where T SMC recommends a maximum of 1.2 volts. It's interesting though because the 9850x3d regularly pushes past 1.2 and even past 1.3 in certain games. So who do we believe? Tsmc? Or amd?I thought I had read way back like 6 months ago that for 24/7 setting voltage for manual OC that 1.2V is the limit on these CPUs per TSMC for the process node. Now I get PBO uses way more than that, but PBO is based on FIT parameters, so it is cycling these higher voltages at "safe" levels / times for PBO, within cycles the PC and monitoring software can't even really see.
On these CPUs, I'm not sure which use cases anyone would want a manual fixed OC anyway. Is there anything to gain over PBO on this series for gaming or other workloads? Back on my 5950X manual OC was 100% the way to go to get past intra-core stutter and memory limitations, but I found these CPUs perform way better with PBO and that seems to be a non-issue now. I use my PC for gaming and work and PBO with an offset works great. Games absolutely fly at higher clocks, and when I am working or compiling video and whatnot, my CPU automatically clocks down for those very heavy tasks.
So thats the thing, AMD is doing it with PBO, thus FIT (failures in time) values. Its not a 24/7 solid voltage, its done in tons of micro bursts. Look at effective clocks next time u game, they are much lower than say 5.8Ghz, but thats because cores are constantly cycling load, voltage, etc. Thats why SCALAR exists, if you want to override the FIT values up to 10X.I have read the same thing where T SMC recommends a maximum of 1.2 volts. It's interesting though because the 9850x3d regularly pushes past 1.2 and even past 1.3 in certain games. So who do we believe? Tsmc? Or amd?
Okay. I wrote it wrong, I mean that the PBO is only +200, the manual clock is unlocked.Still?
Boooo. I thought they were like the X parts now. Bummer.
Yeah, I'd be safe claiming a mass majority of people claiming to run fixed OC clocks and voltage on 9xxx series are not 100% stable across all types of loads. I have seen people say they are running like 5.4Ghz fixed at something like 1.25V~1.3V. If all you do is game (and do not stress test) and you have no issues, ok, cool story I guess... but I guarantee as soon as you put a real heavy load on that it crashes and (quite literally) burns.With PBO enabled and your tune set run the Linpack 2020 version in OCCT and watch what your vcore drops to. That is what you can run for all loads. After that is up to you and your comfort level.
Here is OCCT>Linpack 2021, manual 5175MHz@Auto voltage, level 2 LLC and water 14-15 °C temp = 165-208w and 79-98 °C.With PBO enabled and your tune set run the Linpack 2020 version in OCCT and watch what your vcore drops to. That is what you can run for all loads. After that is up to you and your comfort level.
Forgot to say, your speed will always be limited by your slowest cores. Example, I can run at 5600MHz static, which is 20MHz faster than my slowest cores can go, and it will fail. I could daily 5500, but the heat is pretty intense. If I run 5400, then I have no problems, Linpack runs at 5400 with PBO.. so no point when my other cores will boost to 5850.Here is OCCT>Linpack 2021, manual 5175MHz@Auto voltage, level 2 LLC and water 14-15 °C temp = 165-208w and 79-98 °C.
I started at 5275MHz, but it just froze, probably because there are too high temperature amplitudes or not enough voltage.
View attachment 778933
Here is PBO+200 (5450 MHz) Negative -19, LLC 3 (lowest), -5 voltage offset, water temperature 15 °C.
So the frequency jumps from 4950 to 5100 MHz, which means 100-150MHz lower, 15-20 °C lower temperature and 30-40 watts lower consumption, yeah PBO work...
View attachment 778936
And at the end, 5600MHz@1.27v is a joke and will only work under light load, and anything with a heavy load will be unstable, as me, you and a few people have mentioned above.
Especially with AIO...
Dude, I see it all the time. People saying 11 is shitty, or this is shitty, that is shitty, maybe it degraded.. nope.Yeah, I'd be safe claiming a mass majority of people claiming to run fixed OC clocks and voltage on 9xxx series are not 100% stable across all types of loads.
Port Royal @5500 1.345vForgot to say, your speed will always be limited by your slowest cores. Example, I can run at 5600MHz static, which is 20MHz faster than my slowest cores can go, and it will fail. I could daily 5500, but the heat is pretty intense. If I run 5400, then I have no problems, Linpack runs at 5400 with PBO.. so no point when my other cores will boost to 5850.
Here are a few steps, see if they help.Couple questions please.
What is the default voltage for the base 4700 ?
What is the base voltage for the PBO 5200?
What is the base voltage for the +200 5400?
I want a baseline of what to work with.
So far the fine tuning is far less then I am used to with Intel K parts.
I can't set a clock speed I want with offset override voltages that fluctuate.
I'm only able to set a manual fixed OC clock speed and a manual fixed voltage.
PBO seems very limited for tuning and if I don't use PBO I only have manual fixed option.
That or I have a lot to learn here.
Is this with SMT disable?I have my 9800X3D at 5.6Ghz with 1.275v for daily use on a NZXT Kraken AIO.
I did something similar (5550MHz @1.28v) and yes, it will be stable enough to play games and compile shaders, Cinebench is fine and at a good temps, (y-cruncher crash).1.275v is pretty good if its stable.
basically. they should just drop the 9800 and charge the same price.seem close to irrelevant ?
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not a big surprise if that end up beign the case.
I didn’t even enable PBO on my 9950 x3d. Didn’t see a need for it. Only difference I noticed was higher temps. Perhaps when it gets older and starts to struggle a bit more or if we get a RTX 6090 in 2028, I’ll enable it. All I really did was tweak my memory timings significantly tighter than the stock expo settings.Yeah, I'd be safe claiming a mass majority of people claiming to run fixed OC clocks and voltage on 9xxx series are not 100% stable across all types of loads. I have seen people say they are running like 5.4Ghz fixed at something like 1.25V~1.3V. If all you do is game (and do not stress test) and you have no issues, ok, cool story I guess... but I guarantee as soon as you put a real heavy load on that it crashes and (quite literally) burns.
I tried a manual OC on my 9950X3D once for fun... max I could safely do that was stable was around 5.3Ghz @ 1.22V. Speeds above that required more voltage and even running Cinebench would push temps into the 90C's, not what I want. Perhaps a 9800X3D fairs a little better with 1 less CCD, but these things (especially X3D) are so good for gaming, PBO is the way to go now.
Maybe some people see better 1% lows? I dunno, at 4K I am always limited by my video card anyway, even with a 5090 and my 1% lows are still well over 100 FPS in most games I play. Enable DLSS and my 1% lows at 4K are above my refresh rate... lol.
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