Pbo curve optimizer 5800x3d. (negative) Mine is stable at -30.

Pbo curve optimizer 5800x3d Basicly makes software think the kombo strike curve is the factory curve and you haven't applied any offset. net forums. I have to seek individual values per core, takes some time and patience. 7 and stabilize ti 4. Temps are fine with an nh-d15 70-77 on demanding games, 88-89 on aida, 37-45 at idle. very impressive, just wish it would persist after reboot because I'm gonna forget. Jun 6, 2024 · One it's showing Curve Optimizer is off, and it's also missing the Curve Optimizer tab on the left, yet you state you are applying -25 on all cores. Once these settings are configured, press F10 to confirm the changes. Jan 22, 2021 · Curve Optimiser is a feature specifically catered for Zen 3 architecture and does not support previous generations of the CPU. Hi Could some users with a 5800X3D and a motherboard with the latest AM4 AGESA 1. 95V instead, and whatever frequency is mapped to 1V is now >2GHz. who cares about eco mode or manual oc anymore when you have this Curve Optimizer tool? Yeah Ik there was PBO2 Tuner software but honestly didn't see much of a difference, In Bios beats easily from what I can remember, all I can say is you should try it for yourself wow thanks, curve optimizer does well. Next thing ill test is the scalar. Even PBO with no other Apr 23, 2022 · 5800x3D PBO와 Curved Optimizer 설정 04-23 개인적인 경험으로는 클레브 흑금치 기준 6400까지는 온도가 어지간히 높아져서 60도를 찍어도 TM5 통과에는 문제가 없었습니다만 6600 부터는 50도를 넘어가면 오류가 나고 6800은 40도대를 필수적으로 유지해줘야 했습니다. Its 5800x3d + 7900xtx nitro + b550 aorus elite + 32gb 3600 ram. Coming from a 5600x (where I had set the CO manually) the BIOS did reset upon switching the CPU. What is the load vCore now in rendering? If it's like, above 1. Thanks for your time. 6ghz. May 5, 2023 · 2) Activate PBO. Curve Optimizer. Would hope you could do something similar on the 3D version. TDC @ 70A. stock vs stock and Curve optimizer vs curve optimizer with these limits results in the same gains. 8. The link above contains multiple pages of real-world professional workloads benchmarked in order to compare the new 5800X3D to the "old" 5800X. 5900X PBO Advanced HOME PC: CPU: Ryzen 7 Jun 22, 2023 · Curve Optimizer is much more easy, you set a negative number and this (see picture) would happen. 12. I applied the setting "Kombo Strike 3" and compared with Cinebench R23 before and after, measurements were read with HWInfo. But Ryzen Master reports Curve Optimizer as still being set as -50. Would like to know as well. Some people still prefer manual all core OC, and with that, manual negative vCore does the trick. Oct 20, 2023 · Bought my 5800X3D in Jan and changed the PBO curve optimiser thing to -20 in the bios and then a couple of months later changed it to -30. Feb 6, 2023 · If you own the Ryzen 7 5800x3D then undervolting is almost a must to get the most out of it. boost override doesnt seem to work, i tried it with +200mhz and got -1000 points on multicore cpuz, max boost was 4000mhz. Will look into adding cli options for the pbo limits. Jun 25, 2023 · Curve Optimizer is much more easy, you set a negative number and this (see picture) would happen. It also greatly reduces the noise from the CPU fan. No more 3rd party tools needed to do this in Windows as it is now native. Not as elegant as a BIOS solution but I've used it for a while and it does work well. PBO Scaler: 10x . Without maximising the LLC the highest my CO would go was marginally stable at "-30" but with the LLC maximised it is rock solid steady at "-39" The V/F curve is determined by an algorithm, and can only be modified through things like a voltage offset. 8 by the looks of it), only to find that there is no PBO curve optimiser within the AMD overclocking section of the BIOS. Daraus ergeben sich folgende Möglichkeiten: Curve optimizer per core, all cores at -30 (automatically set by Ryzen Master) PPT/TDC/EDC: 120/80/120 Boost override CPU: 200 Temperature limit: 85*C (I set my fans curve to be as quiet as possible before 80*C mark, after they linearly scale with temp to 100% at 90*C) FLCK & others - auto It's kinda sad that I'm still forced to use PBO2 Tuner with my Gigabyte B350+5800x3d setup while being on 1. I'm not an expert on this, maybe someone else can chime in, but you can absolutely do curve optimizer w/o using PBO. There's more than Windows out there guys. @crastakippers my current rig is a 3600, Asus TUF X570 Plus, 64GB DDR4 3200, and a 7900XTX. I have an msi x570s tomahawk on agesa 1. Wer Win 11 installiert hat und nicht alles ausschalten möchte: Mit den aktuellen BIOS/UEFIs wurden auch endlich die PBO Einstellungen sowie ein Curve Optimizer (CO) für den 5800X3D auch auf den Mittelklasse MoBos freigeschaltet (zumindest für Asus, Asrock und MSI kann ich das bestätigen). Without maximising the LLC the highest my CO would go was marginally stable at "-30" but with the LLC maximised it is rock solid steady at "-39" Nov 27, 2024 · I'm just curious what the maximum Curve Optimizer offset is supposed to be? With my 9800X3D and Gigabyte Aorus Pro X870E, I have it set as -60 (all core) in the BIOS (anything -61 or more returns "invalid input range"). I am able to change PBO limits but if I change it from Auto to Manual it completly fucks how the CPU boosts. I have read that this is what helps people a lot to gain better temps and better performance and lower temps? Thoughts? PPT @ 100W. 8 confirm if you got the Curve Optimizer function?. Why do I still use Offset Undervolt? I cant do - 30 all core curve optimizer, crashes. Get the Most out of your 5800X3D using PBO Curve Optimizer! - PrimeO7/How-to Example: I'm finishing off my Ryzen 7900 PBO curve like this: C0 -42 C1 -18 C2 -50 C3 -17 C4 -31 C5 -26 C6 (bugged) C7 (bugged) C8 -50 C9 -50 C10 -50 C11 (bugged) Those marked bugged are actually just my BIOS thats buggy in PBO, I have reported it, they don't do anything and show 0 in Ryzen Master. No reason to touch scalar, you're not allowed and will be kicked down to 3. But kombo strike feels less janky tbh. It was a later BIOS update not all boards got if it is enabled at all. Dec 28, 2020 · 46 젠3 (5800X) CPU & RAM 오버클럭 가이드 3탄(PBO & Curve Optimizer) SPONE 37 32195. 하지만 편하게 언더볼팅 기능을 하는 PBO Curve Optimizer를 쓰지 못 한다는 건 아쉬웠습니다. Curve Optimizer are not really undervolt. Can someone with a b450 fatality itx confirm if it has got the PBO2 + Curve Optimizer ? is it working with 5600x/5700x/5800x ? If not will setting only normal old PBO help reduce Thermals & Noise ? Thanks. OP stated as much in the post. It raised my Cinebench score quite a bit and runs cooler too. If you need a stress test for it, its CoreCycler. And Curve Optimizer -20 to -30 per core. This has helped a lot already with the temps. Quick & Easy PBO2 and Curve Optimiser Guide For Ryzen 5800X3D With The Best Settings! - YouTube. 5800X3D Curve optimizer - ASUS Crosshair Bios Updates Launched Mine seems to work fine with -29 all cores, best core at -25 and 2nd best at -27, +200mhz and scalar at x10. To put it succinctly: Curve Optimizer overclocks your CPU. I've lost about 1200 37 votes, 59 comments. PC components: 7800x3d, 7900xtx, 32gb ram corsair vengeance 6000mhz cl30, Gigabyte b650 aorus elite ax rev 1. Msi has a specific setting called "kombo strike" just for the 5800x3d. Turn off kombo strike and see curve optimizer to -30 all core to start. I can't seem to find it anywhere on the bios, been using pbo tuner which has been working just fine but rather have my settings on the bios. 30 eCLK 5. In my case, that is "39". PBO frequency limit offsets do not work on X3D parts. Curve optimizer shifts the graph plotting f(x) =y where x is voltage and y is frequency. Haha. In FS I also gained 4 fps and the temps are 12c lower. This is because the extra cache is very sensitive to voltage changes, and also acts as an insulating layer on top of the CPU cores, creating all kinds of issues when tweaking the Jun 12, 2021 · Unless you are going for some records you are best off leaving PBO limits at default while only trying to find good Curve Optimizer offsets. My only problem is that to undervolt -30, I need to use PBOTuner application on windows, as I can't find "Curve Optimizer" in BIOS. Cooler Dec 5, 2022 · Most of the AMD overclocking is with RAM tuning, unless you have the 5800x3d. Would like to swap out my 5800X for the 3D version, and from having great success with running negative voltage offsets with PBO curve optimizer to achieve higher sustained SC and MC boost by almost 150Mhz, while keeping cooler is really nice. Set it to kombo strike 3 and it sets all the pbo settings needed. but in my case even an unstable -20 across all cores makes a difference of 1-2 percent. This gives the best boost in games and takes the most skill to pull off. SPONE Aug 5, 2023 · Benchmarks and stress test wont do. 8 that opens HW Curve Optimizer for the 5800x3d. *stock ppt tdc edc and PBO at auto with -30 CO i meant. Ryzen 7 5800X3D : A loving letter upvotes Ryzen 5600X PBO + Curve Optimizer Settings upvotes r/Amd. 8 is out - Negative curve optimization is back in BIOS now for 5800X3D. PBO 2. Cinebench CPU test showed a fairly big performance improvement. You can use software like Cinebench to check for CO performance changes, just remember to set it to realtime priority to minimize to run to run variance. Updated my bios and read online to undervolt to get the chip to reach its boost clock. Jun 10, 2011 · Curve Optimizer사용법 (feat. Aug 22, 2022 · That's because the 5800X3D officially doesn't / didn't support Curve Optimizer. Less V = lower temps so it can boost higher. I personally waiting for the Bios update with the Agesa 1. AMD ZEN 3 PBO & CURVE OPTIMIZER OVERCLOCKING GUIDE. kombo strike setting 3 is basically an undervolt preset. Also the curve optimizer has way more effect on temps of my 5800x3d than my 5800X ever did. You signed out in another tab or window. No reason to touch limits, unless your cooling is so bad it can't handle 100-120W out of the 5800X3D. The difference between a stock voltage I bought a 7800x3d, and so far I really enjoy it. It is, until your CPU reach more frequency. Spoiler: The 5800X3D crushes the 5800X, there's not a single app where the old 5800X wins. Incorrect adjustments can lead to system instability. Smoother gaming performance too. Can you find PBO on that motherboard? I can only find Kombo strike which gave reduction in temps 90 down to 80 under CB r23 with a score of 14939. The reason you do curve optimizer is because at stock from factory, AMD has a specific V/F curve that basically fits all cores, despite some being better than others, and by using per core you can tune this curve for each core specifically. 4950 is my reported cap without enabling boost override. Reload to refresh your session. I'll send the link to the guide later. If you thought the 5800X3D was amazing cpu this makes it the perfect chip. So in multi-core you can get better performance (from more consistently high frequency) and better temps (from lower voltage). It seems this new agesa is adding the function in many brands and motherboards with the 3D cache CPU. Curve Optimizer instabilities manifest in low-medium load, not stress tests. Everything just feels random. SMU FW caps 5800X3D voltage and frequency. Jan 30, 2021 · Many motherboard makers have included the Power Curve Optimizer which AMD announced in November in the latest BIOS updates for many of their 500 and 400 series motherboards. The way that curve optimiser (undervolting) functions on the 5800X3D is such that when you're running benchmarks or just using your system to game or whatever it will most likely still reach similar temperatures across the board. CPU: AMD 9800X3D @ PBO +0 105. Thermal Limit: 80c . But I've managed to get a stable offset undervolt at -0. varies from game to game and app to app. EDC @ 100A. I can get a new 5900x for 260 euros, vs a new 5800x3D for 320 euros, so the 5900x is 60 euros cheaper. 13V because it now run 75°C. The 5800X is great, even brilliant, but this thing is something else. If you were to cool the CPU with chilled water (-5C or so), you would probably see lower temperatures from tweaking curve optimizer. I built my first pc couple of weeks ago and I limit vsoc to 1. Helped my 5800x3d hold boost clocks and run slightly cooler. Skill RipJaws S5 DDR5-6400 @ DDR5-6000 / 1,3V Thermalright Phantom Spirit SE 120 Results Mar 8, 2024 · I upgraded from 1700 to 5800x3D, got a massive performance improvement, very satisfied with AMD. 02:55 - How to f Hey, I just wanted to share a quick overview over the results I got, with like no effort at all. Make sure you have updated the BIOS to the latest version available. Within 5 minutes you can make your CPU clockspeed run a lot faster and the temperatures of the CPU will be in my case -15c lower than default on average. Precision Boost and Precision Boost Overdrive Scalar options exist though So looking at this now, I have PBO in the XFR Enhancement section, I don't have an Advanced setting, closest would be Manual. All of this so you can have some slightly higher numbers in cinebench and less performance in games. g. It's important to note that the settings Mentioned above specifically apply to the Ryzen 75800 X 3D processor. In (fairly recent) games, averages in the 50's (i. Apr 16, 2022 · Curve Optimizer can be used using the pbo2 tuner but it doesn't need to be. It doesn't just offset the current factory curve. using an older air cooler. or try seeing if there is one perticular core that can't handle -30 and just set that one to -15, it really will run cool and well with good £úÿ QÕûáŒHÍê ÐHY8 ÿ >çý¿™Z ÅËé7óÜLuD \6—¤Œ—8q ·±œIÍÊ Ÿ$Ê À @-™žÓ½Nçò{Uý¾~nªkÿdŸÃ¥@R2Í 9 ‰ ‹ Eó§Ôo÷¶²ªZeåÿß_Z… ”dsò Ó!^@:ù… ü_¿‚*IA ‚ e ª$ ’íûîûTU’L r£¤ö Pr“í9 ɶ o{ ( q€0_ ò¢nËÓ^p[ ¤È n n¶ n öcLs÷¦">²"¥ cU{ïWf¦ˆˆ€ØtǘV˜ûVw A$ 0 !a ©Ý:×Wzm{öÚ+žüöÃhjŠ,:4–iÛÖ Nov 14, 2024 · 2) Activate PBO. It Jan 10, 2023 · Soc voltage of above 1. Mine runs at -30 just fine, some can't do -30 but -15 or -20 should be easy. Aug 9, 2018 · 3. May 13, 2017 · I was planning to add Curve control for the Cezanne CPUs, but got stuck in a vain effort to figure out the Fmaxboost control via mp1 or rsmu, hence no update. In order to see curve optimizer the pbo needs to be set to advanced and not to enabled Reply reply most 5800x3d can do -30 on curve optimizer, use HWinfo32 to Actually i've this settings max CPU boost override +200mhz Scalar to 4x Curve Optimizer Negative per core 20 Ppt 142 Tdc 95 Edc 140 The problem Is that when i launch cinebench(20 or 23) the clock freq arrive to 4. but no curve optimizer setting comes up to let me set a negative offset. 8". . I wish there was an app that shows the curve graphicly and you let you set and test certain steps, a bit like afterburners curve editor but the ability to set how high it goes in mV. That and I have a full custom water loop too which helps a lot and the room is air conned too ;) Aug 27, 2023 · “PBO 2” refers to the updated version of Precision Boost Overdrive released starting with Ryzen 5000 CPUs that adds an additional “Curve Optimizer” setting. 08V with -20CO. 2 Edit 2: Tested darktide, in game is now up to 10C better. And yes I double checked, it was set to positive 200. Feb 17, 2023 · I have limits, PBO curve, scalar and boost override available on the new bios. 5GHz, so I wouldn't expect to see it going any higher (at stock BCLK). Havent done yet. Link to comment Dec 1, 2022 · 라이젠 5800X3D는 오버클럭은 막혀 있지 전력제한해제와 언더볼팅은 자유로이 할 수 있습니다. Curve Optimizer is "PBO2" which requires 1. I have my 5900X at 5. I'm on bios version F5c ( Feb 21, 2023) latest one on the support page. Tested in -10 increments, each with a 24hr CoreCycler run and 24hr desktop stare. I got a 5800x3d cpu. Jun 15, 2023 · Optimizing Ryzen 7 5800X3D and undervoltingThis video explains how R7 5800X3D can be optimized via Undervolting for higher performance, consistent clockspeed Kombo strike actually changes the entire curve itself to a different base curve to a lower voltage curve at a bios level. When the 5800X3D was released, no motherboards had PBO or curve optimizer as an option with this CPU. Don't expect amazing temps as the x3d chips run hotter because of the v-cache stacked on top of the die. The maximum boost clock on a 5800X3D is 4. Pbo limits are running stock at: PPT 142 TDC 95 EDC 140 QUESTIONS: Would I benefit from my 2 best cores having less of a negative offset? Will I get a massive gain with tinkering PBO limits? So I've undervolted with PBO in the bios, setting all cores negative curve with a value of 25 in the Curve Optimizer Magnitude field; Now I'm on 84C running a MC Cinebench R23, with a score of 15798 and clocks between 4849-4851 Mhz; On a single-core run I've scored 1603 Pts at 49-51C; Now I'm curious about 2 things: Sadly not all motherboard vendors have support like this. Stability and Performance Considerations. It's actually simpler than it looks. B) on Cinebench R23. I see AMD overclocking settings but there's no curve Optimiser setting? I've uploaded a photo of my settings screen to help explain. My question is, how exactly do i know the undervolt is stable? I ran a few games like cyberpunk and no crashes B550 Vision D-P Bios version F16b (AGESA 1. Im running a Auros b450-I mobo and just updated it to the latest bios on the website, had a quick look for the above function so I can tune my 5800x3d but couldn't find it. 1000, curve optimizer (good luck with that) and higher PBO limits. Only PBO with Curve Optimiser, etc. Edit: also look at your core voltages and package power. Jul 5, 2021 · I've tried to set my Curve Optimizer in Precision Boost overdrive under Extreme Tweaking/Precision boost overdrive. May 9, 2024 · Keeping the 5800X3D adequately cool(no thermal throttling) without using PBO curve optimizer. Page 1 of 3 1 2 3 Next > Jun 22, 2023 · Curve Optimizer is much more easy, you set a negative number and this (see picture) would happen. HelloThis is a follow up video to my previous video where I described how to apply Precision Jun 22, 2023 · First let me talk about Undervolt and Curve Optimizer. 2020. My setup: Ryzen 7 7800X3D AsRock B650M Pro RS 2x24GB G. co Jun 5, 2024 · One it's showing Curve Optimizer is off, and it's also missing the Curve Optimizer tab on the left, yet you state you are applying -25 on all cores. 8 because they won't bother to implement Curve Optimizer for non 500-series motherboards. The only time i got higher scores is when i set limits to 390\250\160, add +100 OC and add all core curve optimizer to -10. There is a little trick in the MSI BIOS which allows you to bybpass PBO whilte sill using CO, but I'm currently running it with PBO so it let me adjust the ppt/tdc/edc settings. Curve Optimizer will tweak the voltage/frequency curve so that the processor can run at a higher frequency at the same voltage. DISCLAIMER. 0 AGESA or higher. I used to run it via PBO2. What's dangerous on those chips is overvolting, and since the curve optimizer (assuming you're using it correctly) undervolts the chip, there's no danger to it. Jun 18, 2023 · AMD R7 5800X3D @ PBO | Thermalright Phantom120 EVO, 1x T30 Asus Crosshair VIII Dark Hero | 4x8GB G. 65 After few sec (measured in HWInfo) When the system Is in Idle i see In hwinfo that some cores boost to 5050 You can do this through BIOS, if it has curve optimizer available, or through PBO Tuber, a 3rd party tool that lets you use the curve optimizer even if your BIOS doesn't have it. It is stable on Cinebench R23 30-min Stability Test, Shadow of the Tomb Raider (Benchmark), Sekiro (what I play most of these days), and idle for 12hrs. ” AMD provides automatic Curve Optimizer settings, but manual adjustments might provide even better results. Discussion in ' Processors and motherboards AMD ' started by Reclusive781 , May 9, 2024 . 15V without CO. Nov 23, 2023 · I guess that practically means that applying PBO+OC to a 5900x may not yield a 10% improvement to close the "experience gap" between the 5900x and 5800x3d. 2. 0 w/ Curve Optimizer: Undervolting is a way of overclocking CPUs and GPUs that have an internal table that maps voltage to operating frequency. AMD says PBO 2. Dec 3, 2022 · The 5800X3D will not reach its peak frequency when in a multi-core load with the stock curve, but it can reach it or get much closer when undervolted. 8ish max But i'm testing with auto and stock PBO Values Atm. I was also been able to lower the CPU voltage up to -0. Ran cinebench r23 and got 4450 mhz boost block and a score of 14943. Searching BIOS with F9 gives no results. Mar 25, 2023 · EDIT2: PBO is right there now with the latest BIOS update - YAY - just gotta figure out how da fook to use it which I will do tomorrow because this has taken me hours and I am worn out! BF2042 with HOOVER FANS EDITX: So I set manual fan curve in BIOS to take the edge off util I can figure PBO and undervolt my CPU - ideal. 8) No PBO/Curve optimizer for 5800x3d Support 📥 Hi, I just upgraded to a 5800x3d today, and also updated my bios to the latest (F16b) for this mobo from March 22, 2023 which says "Update AMD AGESA V2 1. I’m just trying to optimize it a bit to get better temps and maybe a little more performance in game (it’s showing a slight boost in the simulator from the 5900x). Diminishing returns kick in fast and hard, with measly performance increases relative to the increase in power consumption. 5800x3D pbo and curve optimizer Support 📥 I updated my b550 aorus pro ac to F15. You can create a Task to run it on boot. 6c and with the 5800X3D in it I don't have options for curve optimizer, cpu ratio or cpu voltage only baseclock. 0ghz to 4. This is basically telling the CPU to draw 30 less mV at the same frequency. It includes all the instructions you will need, with screenshots. I can't even play on FACEIT because it doesn't whitelist PBO2 Tuner, some other anticheats appear to have the same issue. Since the new AGESA V2 ver1. I'm trying to set PBO + curve optimizer and coming from a 5900x and reading a lot of guides, it looks like best cores should not be able to have lower negative offset than the other ones. Precision Boost and Precision Boost Overdrive Scalar options exist though Nov 29, 2022 · edit: confirmed PBO has been added back by ASUS Messed with -20 to good cores, -30 to weak cores, prime effective mhz went from 4. (negative) Mine is stable at -30. 5Ghz 0CO | Motherboard: But now I'm bummed about not being able to access curve optimizer in my BIOS (Asus ROG Strix B450f Gaming with BIOS 5003 - Agesa ComboV2PI 1208) So my options are waiting and hoping for ASUS to release a compatible BIOS, where I just set CO from Windows in the meantime Or, buying a new mobo which has the support confirmed. -30 all cores, 125 PPT, 80 TDC, 115 EDC They have enabled PBO & curve optimizer on the 5800x3D. The latest bios for that motherboard has kombo strike support. 179W For comparison this is what was stable with just 50MHz less where prime95 stability testing was good enough as AIDA64 doesn't crash from tweaking curves till it goes over 4850MHz. And as expected there was no CO available anymore. Upgraded to a 5800x3D, used Curve Optimizer in BIOS for the first time, performance improved tremendously with much lower temps, total win-win. Attempting to get more performance out of X-plane 11. Oct 19, 2021 · 5000系锐龙在pbo中增加了一个curve optimizer的选项，可以对默认的频压曲线进行偏移，这个选项是pbo2降压的精髓。 这是单核多核提升最为均衡的一种超频方式，也是楼主认为最合适这代5000系cpu的超频方式。 No DOS. #5800x3d #ryzengaming #overclock Chapters:01:20 - How to download new motherboard bios. For some reason PBO and Curve Optimizer are not visible @ AMD Overclocking menu. You can find PBO tuner here. In the meantime you could use the Curve Optimizer windows app from the overclocking forums. I have a Ryzen 5600x and BIOS 1804 from February 2021 for this board (B550-\r) and there is no curve optimizer function (I even searched for "curve" on the BIOS). You can try with PBO2 Tuner from PJVol over at overclock . Have that board, update the Bios to the latest non beta version, that will unlock Bios curve optimizer, set it to -30 all core (most of 5800X3D can do it, if your system is not stable just lower the core(s) that is crashing until system is 24/7 stable). The CPU knows it can go to 4350mhz @ 1. So I think, I save it for later then. true. So I'm running a AX370 Gaming 5 updated to latest bios version and I don't have a curve optimiser setting to undervolt my 5800X3D? The bios version I'm using is F51h with the latest AGESA update. Manual brings up PPT, TDC, EDC limits. The best I could do so far with the PBO curve tool was 15013. That's why I mentioned it behaves differently than other Zen 3 CPUs, simply dropping the Curve for each core does not necessarily produce a better results like it does on all the other Zen 3s. May 9, 2024 · Best thing to do with the 5800X3D is to use the Curve Optimizer in Ryzen Master or your BIOS. The Asus Crosshair line got the new Bios Update and AGESA version Combo V2PI 1208 enabling Core optimizer by default. (B450 fatality itx+5600x) Best pbo for 5800x3d So i just recently bought the 5800x3d and ive heard undervolting to -30/ ppt 100, tcd 70 , edc 100 is really helpful in keeping the temps lower and keeping the frequency higher. Basically, a 50mV undervolt tells a CPU that instead of operating at, say, 2GHz at 1V, operate at 2GHz at 0. You could just run a negative vCore offset tho and see if it stays stable. PBO is auto, voltage is auto and whenever i begin messing with PBO i get lower scores in cinebench. The Ryzen Curve Optimizer enables individualized voltage-frequency tuning. Apr 12, 2022 · That is extremely low. e. With this script you can test the stability for each core, which helps you to validate if your Ryzen "PBO" resp. You switched accounts on another tab or window. Rejoice! Since the 5800X3D does not boost so high i saw many people run a -30 Curve optimizer all core without issues. You are just adjusting the voltage / frequency curve so when you have a locked limit on the voltage like the 5800x3D situation you are just increasing core clocks at any particular voltage which will result in higher temps. Apr 16, 2022 · AMD has updated Ryzen Master to include the curve optimizer directly within the app and provides support for the Ryzen 7 5800X3D and Threadripper Pro 5000WX CPU lineup. Curve Optimizer values for the best cores are -12 and the rest are at -20. Skill Trident Z @ 3733C14 Zotac 4070 Ti Trinity OC @ 3045/1500 | WD SN850, SN850X, SN770 Jul 23, 2021 · AMD R7 5800X3D @ PBO | Thermalright Phantom120 EVO, 1x T30 PBO limits on disabled curve optimizer: all cores on negative -30 cinetest30min. r/Amd. The voltage could drop so low that the CPU just doesnt have enough voltage and crash. No PBO2 on TUF GAMING B450M-PRO II for 5800X3D. Does anyone have any other tips to squeeze the most performance out of the chip? Oct 15, 2022 · As for temps, you need to set lower power limits in addition to setting curve optimizer, to get the biggest temp reduction. https://ibb. Jan 6, 2024 · Some motherboard don't have Curve Optimizer or PBO control for 5800X3D since OCing the 5800X3D wasn't officially supported when it released. That's how ryzen works with Curve Optimizer. PBO2 Tuner settings will reset after every reboot, because of how the 5800X3D works. If you go to curve optimizer and set it to per core you will have x list of cores to set, otherwise the input value for all core is whatever you set other than zero, otherwise it may as well be disabled. For a given voltage it will have a certain frequency. PBO set to advanced, curve optimizer set to negative and enter 30 as the value in your BIOS. Jun 25, 2022 · According to Svet, the administrator on the MSI forums, the E7C35AMS firmware for the MEG X570 Unify has unlocked additional Vcore offset, Precision Boost Overdrive (PBO), and Curve Optimizer. Just wondering should I be touching - "PBO Limits" setting? I expect the 5800x3d to be easily beaten later this year by the 13900k and 13700k on average, but the 5800x3d will still pull ahead in a few certain titles. So I really wouldn't recommend using that, and just stick to Curve Optimizer (which you could tune further by core for max performance), which is designed for Zen3. 0 Sep 8, 2024 · Curve Optimizer results can vary between individual CPUs due to the “silicon lottery. And for anybody with an msi motherboard, not sure of all the models but I know with the x570 you can use Kombo Strike in the bios at setting 1, 2, or 3 for all core curve optimizer -10, -20, and -30. PBO Advanced PBO Limits Motherboard Scalar Auto Max Boost 0 Curve Optimizer Then I set offsets for each core and did a lot of stability testing. Reduce the amount you are undervolting until real stablity tests complete correctly. Jun 25, 2021 · the curve optimizer is mentioned in mussels post. Used my bios curve optimizer to undervolt -30 on all cores. PBO worked with my previous 3600X though. 40v it should take a negative offset just fine. Whether or not -30 is actually stable is a different story, not many chips can do that on all cores without crashes at idle. and yet I can’t enable or even see PBO in my bios Share Add a Comment Hello PCMR! Yesterday, I did some testing with using the MSI feature "Kombo Strike" to optimize the curve of by 5800X3D CPU. Switching on that setting gave me the same if not greater boost in temps and performance like you are having with PBO2. Plus, as you said, temps are already more than great, especially for a 5800x. 2njust for precaution and saw many posts about the PBO and curve optimizer so I set it to -20. tweaking PPT EDC and TDC ive seen some stray clocks over 5ghz here and there. I have updated the BIOS to the latest version (3002, includes 1. Other BIOS settings: Enable XMPP (don’t forget this) I also did these to get resizable bar to work: Most specimens of 5800X3D can run completely fine with all cores on -30 on the curve optimizer settings under pbo settings in bios, if you're unlucky and got a crappy unit then otherwise try something a bit lower maybe -15 and try lower and lower values. for PBO & Curve Optimizer on Hi all I've been searching this for a bit but can't find definitive answer. But so far my settings are: core 0 -30 core 1* -35 core 2 -30 core 3** -30 core 4 -30 core 5-30 Mar 25, 2023 · Get the Most out of your 5800X3D using PBO Curve Optimizer! - PrimeO7/How-to-undervolt-AMD-RYZEN-5800X3D-Guide-with-PBO2-Tuner e. 24375 (5800X3D), tested in Windows Diagnostics and there's a CPU Ratio setting (but I'm still investigating what it does). Unlike the standalone PBO option, Curve Optimizer requires manual testing and Aug 23, 2023 · Is that good for safety and longevity of the Ryzen 5800x3D, don’t want it to bust or break in anyway. Dec 30, 2023 · Yes. I upgraded to a 5800x3d yesterday, very excited but also read about undervolting to keep temps down. You signed in with another tab or window. Find a good video on how to test and validate. : SotTR +-49-52C ; Cyberpunk +-55-57C ; Spider-Man remastered 53-56C ** Edit: more around 58-60C when in the streets I upgraded from 1700 to 5800x3D, massive performance improvement, very satisfied with AMD. Sometimes my CPU hits 90°c, somtimes it hits ~85° in the same test. 470W CORE #7 12 CPPC=150, Curve-17 =1271mV max 15. 28 14:41. Welcome to /r/AMD — the subreddit for all things AMD Just want to get a confirmation that curve optimize is not supported on this board. Gamers nexus did a video on it if you search youtube. Apr 26, 2024 · The 5800X3D doesn't officially support PBO or curve optimizer. However Gigabyte recently released a beta BIOS for my board that enables curve optimizer for the 5800X3D and it got me interested in testing some undervolts. Mar 6, 2021 · CORE #5 5 CPPC=143, Curve-3 =1384mV -20MHz 17. Then stress test and make sure its stable. PBO doesn't even add that much voltage for me either so I too may have good silicon. You're already at 85c so it's possible that you don't have enough thermal headroom to boost to 4. Dec 11, 2020 · It seems like the best results i got so far using this CPU is to leave everything on auto. "Curve Optimizer" settings are actually stable. Key Takeaways. com PBO2 Tuner on github will let you do curve optimizer on 5800x3d. 3) Under "Curve Optimizer" change the sign to "Negative" and then you should apply as high a number as is stable. Kombo Strike is MSI's less granular take on Curve Optimizer. on latest bioses you should have PBO, by enabling it or the advanced option you get a curve optimizer(CO) in that menu, which gives you the option below to set negative or positive voltage offset of maximum 30, we go for negative 30 which is the -30 on all cores it works on most 5800x3d chips as far as I know as I've rarely seen any that See full list on github. 01:50 - How to extract and save new bios to USB stick. ive noticed raising my EDC too much seems to limit single core to 4. Curve Optimizer has been stabled with 24 hours of core cycler, 1 hour of large data set on occt, and left overnight on idle to see if it'll crash. Curve Optimizer is used to apply voltage offsets to AMD CPUs on a per-core or all-core basis. 5ghz now it shifts let's day negative 30 co, 1280 is your fake X and it solves for Y equals 5. 0. I run -30 all core on mine, combined with 90/65/90 limits. 4GHz. The curve Just got a 5800X3D and prepared everything for the PBO Curve Optimizer software workaround since the CO is not available in the BIOS for 5800X3D . 45 all core Reply reply So after uninstalling and reinstalling Ryzen master about 5 times and reboot to see if I can activate the column of "curve optimizer" in my version of the Ryzen master It just seems like I can't. Then in 2023 we will likely see a 7800x3d, as well as Meteor Lake and possibly Zen 5 which all will probably put an end to the 5800x3d for good, though its not like it instantly becomes a Ryzen Master resulted -30 on all cores when I tried the Curve Optimizer selecting per core. 204V offset (min selection) on the BIOS. I just used Ryzen Master to activate PBO (no manual changes) and curve optimizer set to -20 all core. 5800X + CROSSHAIR VIII IMPACT + RTX3080 SUPRIM) PBO2설정을 최대한 빠른 시간안에 하는데 도움이 될만한 영상을 만들어 봤는데, 아무래도 어느정도 시간을 갈아 넣는 과정은 피하기 힘들것 같습니다. 1GHz using PBO with 3600MHZ CL16 memory. Almost any 5800x3d could perfectly use a -30 in CO, is a must for any user of this processor, it improves the maximum frequency sustain in time for all cores at 4450MHz by not dropping it only if the temperature doesn't surpass 80 Celsius. set to 3 Wanted to try PBO tuner/curve optimizer to see if i could drive my temps down a little. May 14, 2017 · FYI: yes the new beta bios unlocks curve optimizer for 5800X3D on the Strix B550-E board . 1. Roughly speaking. CSV. In this example it shifts the x axis meaning if you had a max of x at 1250millivolts and solved for Y equals 5. I lost 10c not only in all core cinebench but also in cyberpunk and new world. " Set it to "All cores" and then apply a negative offset of -30. Best think you can do is PBO on enabled on auto and curve Dec 3, 2022 · Now with PBO unlocked for 5800X3D (+ voltage offset that was already available from previous bios), my temp is barely hitting 60C (air cooling, Mugen 5 rev. But with the CO, it run 60°C at 4150mhz @ 1. Apr 30, 2023 · On 5800X3D there's no reason to touch the rest of PBO, only Curve Optimizer. May 4, 2019 · 为什么我的B450不能给5800x3d降压呢? 华硕b450F-gaming，今天换了个5800x3d，烤机直接85度 ，了解到可以降压。 但是进bios不管是AI tweaker还是高级里面都没有PBO的选项。bios版本已经是最新的5003。 之前用5600的时候都可以看见。 Idk why you would say that, it's not correct. Welcome to /r/AMD — the subreddit for all things AMD; come talk about Ryzen, Radeon, Zen4, RDNA3, EPYC, Threadripper, rumors, reviews, news and more. Not touched curve optimiser yet as I haven't really had the time needed. Curve Optimizer is not undervolting. I can set PBO scalar to Manual and set to 10x like in the video. some speculate it's a disguised amd curve optimizer. Next, click on "Curve Optimizer. Currently testing it is looking good so far. Mar 1, 2023 · Você é um usuário AMD Ryzen 5000 e está procurando desbloquear todo o potencial do seu processador? Deseja maximizar seu desempenho, deixando-o mais rapido e Hi, I just got a new 5800x3d on my X570 Meg Ace with latest bios update 7C35v1K with Agesa 1. 0 like many others, but since its part of the bios now - its easier to just do it that way and I did test it works fine. But at that point you I haven't heard anything but I also wasn't aware other manufacturers are allowing it now. Just got a 5800x3d. If your cpu is too hot at 4150mhz @ 1. 499W CORE #6 5 CPPC=131, Curve-2 =1364mV -100MHz 16. CPU - R7 5800x3D Nov 18, 2023 · CPU: R7 5800x3d (-25 all core CO 102 bclk) what i'm not sure about, is curve optimizer part of PBO, meaning i can't use curve optimizer without PBO, or do they Using the same board and bios you are using. I have set the curve optimizer to “all cores” -30. On my older 2700X I would push PBO really hard, specially in the winter, and then apply an Offset negative vCore. acri qerxd qzswm twvlu ckkstz abfmxup gmjcu zrtak rquzq nuyli