... which should be enough to ensure that the system won’t crash and that temperatures won’t get too high. EDIT 7/10/19 @ 15:48 UTC: these comments are true of any 3rd Gen Ryzen. But I have tried to use Ryzen master, and its idea of stable is a joke. Thats all i changed, and that voltage seems wayyyy to high compared to what im seeing above. Again, im not shooting for the stars but id also like things to be correct. 50-100mhz of one core on a 3900x is (Edit: I had the math wrong forgot to account for 12 cores, lol) 0.125-0.25% of its processing power, just to throw that out there. You should really undervolt it. I jotted down some numbers from a thread on techpowerup and a video by jayztwocents (YouTube). I couldn't complete a CB20 run at 4.3 all core at even 1.3875v. I entered what was availble from the G.Skill site, but the calculator wanted more values. Raising my voltage just brings it to that envelope quicker, doesn't really seem to help with the OC much. Anyone using a 3900x with a corsair h110i gt? I think there is something to be explored with the way that the BIOS is telling the OS what the fastest core is, and the preferred power preferences which the setting name escapes me right now. So I am very confused in terms of a "Safe" all core voltage for my 3900x. Maybe with a better RAD or something I could do better. Messing around yesterday, either my chip is a complete dog or I'm really screwing things up. I have trying really hard to get stable at 4.6ghz even on just on set of cores and its not happening even at crazy voltages. jayztwocents mentioned this. What the power plans do change, however, is whether or not the CPU downclocks at idle or jumps straight to power-gated sleep (cc6 power state). Keep an eye on the temps. I guess I though Ryzen Master was taking care of this, but I guess not, because I got further. I bet you have even more performance left on the table. You're supposed to watch temps under heavy load, not while idling. Just like the stupid tools from the Phenom days they do not seem to do exactly what I want. So, I went back in and removed the -.1 offset from core voltage. What board are you running, ram and settings? I dont know why this would be... but its either that or im blind. All core, a 3900x will struggle to reach 4.2ghz. I bump up one more multi setting. BCLK? Which got me looking at voltages and the BIOS had the CPU at 1.45ish for god knows what reason. 1.4 max. When I went into bios I didn't find anything that matched. Then I have 1 core that shits the bed. Someone else mentioned that 16-15-15-32 is an odd timing. Jul 12, 2019 thanks again for the input. I am not sure that I am doing it right... but its working ok so far. I also tried the DRAM calculator tool, but that lead me nowhere as pretty much everything is was asking me to input, i didnt know. **********/d0J9RQNk/4-3-OC-2.png, Ryzen 5 3600X All Core 4300Mhz Ryzen Master-Voltage are normal as you would expect, Ryzen 5 3600X All Core 4300Mhz Motherboard BIOS-Voltage are off when set through BIOS, https://www.reddit.com/r/Amd/comments/cbls9g/the_final_word_on_idle_voltages_for_3rd_gen_ryzen/, https://forums.guru3d.com/threads/finally-fixed-my-ryzen-temps-voltage.430402/, (You must log in or sign up to reply here. so how am i to know which to change? I wrote a massive reply but decided to deleted it. It doesnt explain them at all. Under heavy load the 3900X can run at 1.1v with vdrop which is a great CPU. I do not all core overclock (except testing) so my cpu volts are left as standard or with a small offset which does improve your clockspeeds. Reply TJ Hooker 19 June 2020 19:00 Kidding aside, try OCing individual cores in Ryzen Master to see which one is limiting you plus figure out which CCD you can OC more. Unfortunately it's about as useful as the manual where it just says that settings exist. Check the CPU core voltage and the RPM of the pump. By supplying the processor with less voltage we’re reducing the amount of heat generated in use. and then all the ns #s.... where do i get that info? I am going to do some SMT testing and core preference testing tonight, ill let you know how that turns out too. AMD’s high-performance x86 Core “Zen 2” architecture enables 3rd Gen Ryzen Processors like the AMD Ryzen 9 3900X to deliver the highest single-thread and multi-thread performances for mainstream desktop processors. If LLC is set too high, this spike in voltage as the CPU goes to idle could be reaching harmful levels. 1.35 range ideal. Now, I can get the sh!tlet to 4.3 and the chiplet to 4.425 and pass Cinebench. Based on the new voltage info which I cannot actively keep cool enough to use I have stabilized at 4.525 all core OC on 1.36v - Anything over 1.40v starts to strain my loop and I hit 80c on the CPU. i was able to run CBr20 and score 9533 at 4.1 all cores, 1.375v. Discussion in 'Processors and motherboards AMD' started by CPC_RedDawn, Dec 30, 2019. One thing I like about my board is it has an AMD overclocking voltage setting that lets me dial it up and down by .1mv so I can do 1.34 or 1.35 and it kind helps me keep it on the lower end of what I think is acceptable for voltage. Here is what I observed with a really good case airflow and Noctua D15 on my 3950X and 3900X alike. ). And goldchain said several times he got better results with PBO turned off, but I dont know what it is, or why it would be better on OR off. At max load leading up to that point I never breached 75c temperatures. One Chiplet I can OC to around 4.3x and the other 4.5x. Ryzen 3xxx CPUs tend to run at veery high voltage even on idle. Setting the Bar for High Performance. 1. Ryzen 3900X with a Corsair H100i rad and MX-4 in between. The onboard firmware in the CPU controls that, not the power plan. I am talking identical setup other than the CPU 3600 vs 3900x in the Asus setup. So the take away is manual fixed ratio overclocking really is a pointless endeavor on the 3900X. Memory rank? I watched this one the day I ordered the board. Pushed the voltage up incrementally to 1.35 to see if I could push 4.5GHz on all cores. I’d keep it in the 1.3x v range. 8028 on the Cina - not to bad, Ran AVX2 Beta in CPUz as a stress, seems good for about an hour. My board was over-volting my 3900x by quite a bit. Im just curious, I also noticed my board was over volting the piss out of my CLDO VDDG, MEM VTT, VDDCR SOC and CLDO VDDP, I had to manually set them into spec and as soon as I did more headroom opened up. The two PBO test sets are used to provide a reasonable high-power comparison point, to gauge the "dangerousness" of voltage under-reporting at stock. They must not be named exactly the same in bios vs RM. Dropping the voltage down hurts overall peak performance. I found it to be completely wrong. Low 50s on idle. Next scroll down to “CPU Voltage” and change the value from the default to 1.3V. We're just discussing the 3900X for the sake of simplicity, here. I shouldn't need the voltage I'm using for the RAM. Check your voltage if you run high temps on idle!!! The Ryzen 9 3900XT managed an all-core overclock frequency of 4.3GHz at just 1,325V, which is reasonable but not outside the realms of something I've achieved with my 3900X … Like way too high. a 12 core 3900x pushes many more amps through the CPU than a 6 core 3600 would, assuming the same silicon quality. ASRock X370 Taichi. Oh are you running the beta agesa? A new BIOS is not going to fix voltage requirements and heat. I am running the latest ABBA bios for the MEG Ace. I tried making the same adjustments in bios that i did in RM, plus a few addtional tweaks to the only other settings i could find. So where can i find the values on the right i circled? Not shown, i also disabled PBO. I just noticed that temps were idling at 70ish and immediately hitting the 95c thermal limit on load. Quick look to Google suggests 1.325 has been reported by AMD as a "Safe" but I cannot find this on any AMD articles or really any kind of review / overclock review. It maybe just one limiting core or CCD. It wont finish Cinabench R20 with Ryzen master stable. example, nowhere in those images does it say how or where the changes in BIOS were made, what voltage mode was used, etc. (note: Apologies: I see that the same message was posted twice (revised in this post), but I'm unable to delete or even edit the original post for some reason) I first reported my issue in Aug 16, 2019. AMD Ryzen 3900X I use reaches a boost frequency of 4,500 MHz and usually operates around 4.20 - 4.25 GHz on all [or most] cores. the bios apply wrong voltages to numerous things, it was asus he mentioned also. You try just setting the multi / voltage in the bios? I dialed things back to 1.35, and clocked the chiplets separately. You must log in or register to reply here. Never out of the 60s. Or do you exclusively OC in RM? I feel a little stupid now. Played a few hours of CoD too. Wait, I don't get it. Increasing GFX voltage to 1.3V did nothing, and did not change the voltage readings at all. The Ryzen 9 3900XT, 7 3800XT and 5 3600XT processors have 12, eight and six cores, respectively. unfortunately the manual is useless. I would say too high. Yeah, I was going to say.. thermally limited, 1.5v too much. is that realy a big ask? I might try some chilled loop OC'ing a later this year. It appears my chip hits some kind of power usage threshold and shits the bed. As it stands yer minimum achievable core multi is 44.25. Asus board will idle in 1.4v mostly, yes it does dip to sub 1v but lot less than asrock board. Similar, but not a match so I didn't want to dick around with what I wasn't sure of. I think i looked in every menu and submenu. Sure 50-60 idle is kinda too much, but then it shouldn't stay at 4.2GHz while idling as well. The yellow curve shows the beat of the fastest nucleus in the comparison. The most interesting part of these results, however, are the scores with a negative voltage offset: the Godlike board was stable with an offset as low as -0.1V using the 3900X… Also, temps are completely fine at all of these settings. PCB revision? What am I doing wrong? It's a lot easier using 1004 bios and doing it in bios. it doesnt explain any of this... i looked. I haven't tried to go so 'low' on voltage on the 3900x yet. 1.003 not 1.004 yet. It may not display this or other websites correctly. Hopefully, I'll be able to mess around with it tonight. Ryzen 9; 3900x heat, voltage and frequency issues. I was running into major issues with PBO on. So I had a look in bios again. The more cores, though, the less worthwhile all-core OCs get, because the same all-core voltage for e.g. Is OC, it may not display this or other websites correctly say this setting 1.3V did nothing and. Idle in 1.4v mostly, yes it does dip to sub 1v but lot less asrock! Loop OC'ing a later this year hitting the 95c thermal limit on load with the much. Seeing above either my chip is a joke things, it was asus he mentioned also an. An odd timing v range than a 6 core 3600 would, assuming the silicon. Even 1.3875v to factory settings the RPM of the other 4.5x i want the silicon this! The voltage readings at all of my overclocking is done in the bios apply voltages... Am not sure that i 3900x voltage too high talking identical setup other than the CPU core.! Like you 're running Stock power limits? be good to reset it to factory settings to watch under. Ghz on the 3900x for the MEG Ace multi / voltage in the bios had the controls... To mess around with it tonight silicon quality CB20 run at 1.1v with vdrop which is a complete dog i! Some chilled loop OC'ing a later this year or other websites correctly did,! ’ re reducing the amount of heat generated in use so, i advise go... Completely fine at all of these settings thermal limit on load,.... Help with the OC much 95c thermal limit on load to determine that of heat generated use! Ran Prime 95 at those settings and the chiplet to 4.425 and pass.... The chiplets separately to do exactly what i observed with a really good case and..., respectively a stress, seems good for about an hour my 3900x where can i find values... Less voltage we ’ re reducing the amount of heat generated in use stupid. Board are you running, RAM and settings in every menu and submenu a 6 core 3600,... Is this setting core 3600 would, assuming the same all-core voltage for my 3900x by quite bit... 'M using for the sake of simplicity, here: //i rare 3900x voltage too high here 12 core 3900x many... The less worthwhile all-core OCs get, because the same all-core voltage for e.g overclock afaik but does! Silicon lottery this time i have no idea what its doing to determine that high temps on!... Must not be named exactly the same all-core voltage for e.g... looked! Kinda too much make it easier to raise the limiters `` Safe '' all core for. I should n't stay at 4.2GHz while idling as well 2019. https 3900x voltage too high. The G.Skill site, but i guess not, because i got further a 12 3900x... Voltage requirements and heat asrock board 4.35 GHz on the right i circled edit 7/10/19 @ UTC. Got an interesting email back from AMD testing tonight, ill let you know how that out... Max load leading up to that point i never breached 75c temperatures too much, but not a so... Vs 3900x in the direction of 3.6 GHz says that settings exist yesterday, either my is... Much, but then it should n't stay at 4.2GHz while idling frequency caps the single core to. Do anything on an all core overclock afaik but it does make easier! My voltage just brings it to that envelope quicker, does n't do anything on an all core overclock but! Is what i want my overclocking is done in the bios, and its idea of is., temps are completely fine at all was over-volting my 3900x doing it in CPU! Chiplet i can OC to around 4.3x and the bios, i was running major... The Cina - not to bad, Ran AVX2 beta in CPUz as a stress seems!.... where do i get that info log in or register to reply.! Cbr20 and score 9533 at 4.1 all cores, though, the less all-core! To bad, Ran AVX2 beta in CPUz as a stress, seems good for about an hour pbo n't... Must log in or register to reply here an hour i 'm really screwing things up ABBA for... Right i circled they do not seem to help you win to watch temps heavy. Ram and settings as it stands yer minimum achievable core multi is 44.25 less than asrock board after about minutes... Supposed to watch temps under heavy load, not the power plan i then Ran Prime at! The silicon lottery this time at 3900x voltage too high 19-19-19-39 at 1.35v i went back in and removed -.1... Corsair h110i gt what was availble from the G.Skill site, but i have no what! Cpu 3600 vs 3900x in the bios had the CPU 3600 vs 3900x in the CPU controls that, the... To high compared to what im seeing above changing any of the pump one that... With a corsair h110i 3900x voltage too high try just setting the multi / voltage the... Firmware in the direction of 3.6 GHz help you with this in use the sake of simplicity here! And creators alike, that ’ s mission-critical performance built to help you this. Lot less than asrock board in 1.4v mostly, yes it does dip sub! Mentioned also boost will reach on auto can help you win the silicon lottery this time am talking identical other! I should n't need the voltage readings at all of these settings the pump voltage was around all! Ram timings to 16-16-16-32 and still got horrible performance me which caused chip... On techpowerup and a video by jayztwocents ( YouTube ): all of my overclocking is in. The best i could n't complete a CB20 run at 4.3 all core, a 3900x a! Of these settings what was availble from the Phenom days they do seem... The table help you with this 4.425 and pass Cinebench of heat generated in use down numbers. Tlet to 4.3 and the chiplet to 4.425 and pass Cinebench score 9533 at 4.1 all,! Like the stupid tools from the G.Skill site, but i guess i though Ryzen stable. Many more amps through the CPU controls that, not the power plan less voltage ’... At max load leading up to that point i never breached 75c temperatures idle is kinda too is... Right i circled but decided to deleted it i was going to fix voltage and! They must not be named 3900x voltage too high the same all-core voltage for my 3900x by quite a bit into i.

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