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post #1 of 52 (permalink) Old 06-25-2020, 09:47 PM - Thread Starter
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R5 3600 New Overclocker Pls Help

Hi, so this is my first post. I just got in my AIO (Corsair 240mm) a couple of days ago and began trying to OC my new Ryzen 5 3600. I've done some research in the past and did a lot more yesterday to try to understand what I'm doing/what's safe/etc., but there's so much conflicting information and there is still so much I don't know, so I have a lot of questions and am looking for a little help.

I have read a decent bit from people saying that there is no point in overclocking this CPU because it cannot be done "safely" while still getting any meaningful gains, so I'm not sure if that is the general consensus, but I'd still like to try. If that is your opinion though, feel free to let me know. I do not want to damage or degrade my CPU, but I do want to push it and see how much I can get out of it (even if there will be no noticeable day-to-day gain). This is my first PC build and I am just falling in love with everything about it and am super intrigued by overclocking. My plan/hope is to get started in Ryzen Master and then when I find an OC I like, try to get the same thing going through BIOS (maybe tweak it more from there, maybe not, if my knowledge at that point permits it/if there is anything left to do).

So the first thing I would love some input on is voltage. In Ryzen Master, there is only one input for voltage (at least that I'm aware of - "Peak Core(s) Voltage"), so if anyone talks about anything more than that, please explain what you are talking about and what I need to do to work with that. But I'll just be talking about that voltage. I've read that a "safe" voltage is any of 1.4, 1.35, 1.25, and that there is no general, all-encompassing "safe" voltage. I would love to know what y'all look to as a general rule of thumb for max voltage on this CPU or if you also think there is no magic "safe" number. Right now I've mostly been playing around with OCs with voltages around 1.25 V.

I thought that should be fine since the default voltage number there is closer to 1.3-1.4, but I was reading a Reddit thread discussing this exactly and someone was saying that default is very different than when you do a manual all-core OC and that that should be done at a much lower voltage. He said that the max "safe" voltage for any R5 3600 is different and that you can find it by putting the CPU to default with PBO on and running Prime 95 Small FFTs, and while that is going on, opening HWInfo and monitoring the voltage "SVI2 TFN CPU". He said the minimum or average that this number hits under load is the max voltage one should be setting for an all-core OC like I am (at least if I was understanding everything he said correctly). For his 3900X, this was determined to be 1.212 V so he's saying he cannot safely OC past that. At that voltage, he could only get to 4.3 GHz, and with the CPU on default with PBO he was getting single-core boosts up to 4.6 GHz, so this was the basis of his argument that it isn't worth overclocking his CPU either.

I tried to determine my "safe" voltage this way and the number I was seeing was around 1.08-1.09 V...Does what he's saying/my number sound right?? I surely hope that is not my max safe voltage. Running the same test with default + PBO and with a 4.3 GHz all-core OC at 1.25 V, that number was the exact same (1.08-1.09 V), so I'm not sure if that means anything, but if that number isn't changing, I don't see how the tested OC is any better or worse for the CPU based on what he's saying alone as my setting it above that determined max voltage.

Also if anyone has any comments about my current OC, they're more than welcome. I still plan to mess with it more when I get time, but right now its at 4.3 GHz with 1.25 V. It made it through Prime 95 for an hour with no issues (max temp 78 C). I let it run for 10 minutes in Prime 95 Small and it hit a max temp of 78 C and was fine (though it was only 10 minutes). In Fortnite at Ultra settings it never gets above 51 C (GPU is heavily limiting here; I have a bad one). And in Cinebench R20, the max temp I saw was 63 C with a score of 3670. Also, from looking around that score seems a little low - am I just imagining things or am I right to be wishing for more there? And is there anything I can do to get that score up aside from simply cranking up the OC more or nah?

Also, if I'm running a test in Prime 95 and some of the workers have an error and stop while the rest keep going, even though it didn't crash, that's not a stable OC, right?

Okay, that's enough for now. Please provide any feedback on anything you can. I a very open/eager to learn. I'd also be happy to answer any questions anyone has about my setting/PC components/etc. Also sorry this was so long. Thank you everyone!
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post #2 of 52 (permalink) Old 06-25-2020, 11:31 PM
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honestly, unless you are into posting benchmarks and getting every last drop out of it, it's so much easier to just let PBO handle it. Even more so, if you are running any programs that you want the highest single thread speed. It's very doubtful that you will be able to manually overclock all the threads as fast as PBO will do for single threaded loads. I can get better benchmarks by overclocking all my threads to 4350, but my favorite game is largely single threaded (maybe 1.5 threads) and PBO takes it's thread to 4400, something I haven't achieved despite many many hours or trying. I know most games that people play are multithreaded so my scenerio isn't typical. But even still, sometimes it's many hours of trying things to gain very little with these cpu's....if anything at all. With the correct PBO settings, it's taken all the "fun" out of the manual overclock. Gains are typically minimal, and nothing you would see outside a multicore benchmark

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post #3 of 52 (permalink) Old 06-26-2020, 01:54 AM
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If your 3600 is new from a recent batch you should oc it, people are hitting even 4.6ghz all core, but if is an old 3600 just use pbo/xfr.

Anyway, degradation is caused by temp, A and voltage. My 2700x prob needs 1.4v for stable 4.2ghz all core, this oc will reach 80c under full load on my nhd15, while hitting 115A. This combo will cause degradation, but if my temp were 60c instead, would be safe.

There's an average safe voltage for every zen generation, but if you want to be sure, just run an all core load an watch where the voltage goes.

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post #4 of 52 (permalink) Old 06-26-2020, 08:32 AM
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I personally wouldn't bother/risk going over 1.25v on the 3600, I have a April 2020 chip and have managed a 4.4GHz @ 1.22v and temps stay around 75C max when stressing it but in games rarely goes above 55C. I can manage to get 4.5GHz out of it and run the usual CB15 and CB20 but found very little gain in performance but temps rose much quicker.

Good way to test a safe all core voltage would be to run it stock or with PBO on and then run some all core benchmarks like CB20 or stress tests and see what you core voltage settles at. Mine was always around 1.2-1.23v so used that as my safe starting points for manual overclocks and that is what I have generally settled on.

Possibly more important is getting your RAM running at 3600MHz and your IF @ 1800 MHz or even 3800 & 1900 if your lucky.
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post #5 of 52 (permalink) Old 06-26-2020, 11:30 AM - Thread Starter
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Thanks for the responses, everyone. I hope more people continue to contribute. I think I’m just going to run a bunch of tests to compare stock to PBO to PBO + Auto OC to whatever manual OC I can squeeze out of it at a “safe” voltage and go with whatever is best. I’ll do some more research/messing around to determine what is safe.

Oh and it’s very new (I bought the CPU and put this build together a month ago, but I don’t technically know when the CPU was manufactured), and also my RAM and IF clock are at 3600/1800 MHz.
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post #6 of 52 (permalink) Old 06-26-2020, 12:39 PM
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Is there a way to unlock the max PBO speed your CPU hits?

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post #7 of 52 (permalink) Old 06-26-2020, 12:41 PM
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Quote: Originally Posted by DAM20 View Post
If your 3600 is new from a recent batch you should oc it, people are hitting even 4.6ghz all core, but if is an old 3600 just use pbo/xfr.

Anyway, degradation is caused by temp, A and voltage. My 2700x prob needs 1.4v for stable 4.2ghz all core, this oc will reach 80c under full load on my nhd15, while hitting 115A. This combo will cause degradation, but if my temp were 60c instead, would be safe.

There's an average safe voltage for every zen generation, but if you want to be sure, just run an all core load an watch where the voltage goes.
1.4V is very safe for 12nm. Not even a hint of degradation.

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post #8 of 52 (permalink) Old 06-26-2020, 01:40 PM
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Quote: Originally Posted by legcramp View Post
Is there a way to unlock the max PBO speed your CPU hits?
Look at my post in the other thread

BCLK, EDC Bug, vCore positive offset + LLC vDroop


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post #9 of 52 (permalink) Old 06-26-2020, 01:50 PM
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Quote: Originally Posted by mongoled View Post
Look at my post in the other thread

BCLK, EDC Bug, vCore positive offset + LLC vDroop

I'll take a look, thanks.

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post #10 of 52 (permalink) Old 06-26-2020, 01:51 PM
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Quote: Originally Posted by DAM20 View Post
If your 3600 is new from a recent batch you should oc it, people are hitting even 4.6ghz all core, but if is an old 3600 just use pbo/xfr.....
I think this is a bit misleading (I understand that was not your intention) that a few people have posted "4.6Ghz" and than dissappeared without backing up those overclocks with data is a bit disingenuous.

Most people who are actually testing the CPUs throughly and with custom watercooling are maxing out at around 4.4Ghz/4.5Ghz and that is with alot of heat output.

The OP as you have suggested is probably best going with PBO and some BCLK adjustments. The only reason I would vouch for an manual all core overclock is if you really need all cores to be running to the hilt for specific multithreaded application, otherwise its not worth the hassle.

For my use case I am going to drop the manual overclock and stick with the BCLK, PBO EDC bug, CPU vCore positive offset and vCore LLC droop, as in this way I am getting the best of both worlds. High single core boost speeds and good balance of all core performance.

PBO all core performance is slighly behind manual overlcock all core performance, but thermals are better and so is power draw.

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