7800x3d pbo undervolt Poor time spy cpu score led me to run cinebench r23 and it's getting 16650 multi core with stock settings, 17258 with -20 offset on all cores 1) Max out the LLC for your CPU Vcore. Is this PBO2 Undervolt on my 7800X3D any Good? 7 Cores on -30 PBO2 while Core 5 has -10 PBO2. If you're at the 15C for 100Mhz point then you either pushed WAY past diminishing returns point and should turn back. Forums. Here are details. So, if I understood correctly "Eco Mode" is just a profile for the specific thermal and power targets for PBO. The 3070 just isn't keeping up whatsoever with the 7800x3d. Here was said that I should use the Curve Optimizer and adjust the limits for PPT, AMD Ryzen 7 7800x3d. Feintuning des Curve Optimizers uder der PPT. The whole point of getting a 7800X3D is to get the max performance possible while gaming. PBO Advanced CO All-Core -15: First try (18030) PBO Advanced CO All-Core -15: Second try (17996) PBO Advanced CO All-Core -15: Third try (18000) 7800x3D owners, how does your CPU handle PBO? I'm currently trying -45 on six cores and -40 on my two preferred cores. I tested it in Prime95 blended/small/large Cinebench 24, Ryzen 7 7800x3D temp range with WC AIO If the PBO CO negative 30 is stable this is the most effective way to undervolt the core and allow the CPU speed to boost higher depending on temperature and limits. But there is always that one program that exhibits instability with undervolt. In my case, that is "39". I have PBO enabled under advanced/amd overclocking in my bios on my rog strix x670e-e, but hardware monitor in That's with stock voltages tho, with CO undervolt performance will actually increase. Given that I am in India, the ambient temps are a little high - so I wanted to undervolt to get lower temps. Hello, I'm new to undervolt / overclock and after backreading from here and other sites I finally decided to UV/OC using pbo. I built my first pc couple of weeks ago and I limit vsoc to 1. Im using the AK620 Zero Dark cpu cooler btw. I would advice that you just use a PBO of -15 to -20 and leave LLC just auto if your board has the option. Hi, I recently built a 7800x3d system with a msi pro b650p MB. Oct 26, 2017 7800X3D - PBO safe to implement with tight EXPO timings? leaving it on auto will create inconsistencies with what offsets are stable as LLC is sort of an undervolt in a way, and a good LLC is the foundation of getting a good result with curve optimizer. Having those really good charts shows just how much extra headroom the adjustments can I'm very confused on what I need to do just to get a basic overclock on my 7800x3d to get it from 4. How should I do this? Should I just do PBO->Curve Optimizer and try values from 15 to 30 and settle on what is stable? I know that process lasso can squeeze additional performance from a 7950x3d but does nothing for a 7800x3d. Temps 60-75C 37-40C idle. I jus installed 7800x3d and playing around with the undervolt. Skill Flare X5 6000 Mhz EXPO II Asus ROG Strix B650E-F Gaming WiFi ASRock AMD Radeon RX 7900 XT Phantom Gaming 20GB OC Lian Li O11 Air Mini 9 x Thermalright TL-C12PRO 120mm Thermalright Phantom Spirit 120 SE Corsair RM1000e 7800X3D SOC, PBO, PPT, TDC, & EDC Settings for cooler thermals. Can anyone explain what this means? Specs: AMD 7800X3D 32 GB G. com In some cases the undervolt is not an issue for over 97% of all the stuff you use. My cooler is a phantom spirit cooler. Skill Flare X5 CL6000CL32 32GB - TeamGroup MP44L 2TB - Super Flower Leadex Platinum SE 1000w - NZXT H5 Elite I would sooner undervolt to save on the electricity bill. I only caught this behavior when monitoring via CPU-Z and realized that the BIOS on Auto does stupid things to the SOC voltage. New posts. 2njust for precaution and saw many posts about the PBO and curve optimizer so I set it to -20. This means that the limited amount of voltage available to the 7800X3D is maximised and the voltage won't droop under load. I was running my 7700X with a -30 offset, a max temp of 85C and a max power of 85W and while I lost a little performance temps dropped from 90C to around 61C in Cinebench. How should I do this? Should I just do PBO->Curve Optimizer and try values from 15 to 30 and settle on what is stable? Okay, I've now set PBO to Advanced and set an all-core CO of -15. Ryzen In my experience, the 7800X3D doesn't need any tweaking, just a good cooler. I had been using it like that forever and I never ran into crashes while gaming, . Hello, I'm trying to undervolt my cpu, That thing makes my 7800X3D crash in any unstable CO undervolt lol Reply reply If you want to give your CPU an easier time, you can also set a lower temp limit, or lower Get the Most out of your 5800X3D using PBO Curve Optimizer! PrimeO7/How-to-undervolt-AMD-RYZEN-5800X3D-Guide-with-PBO2-Tuner. This helps a lot. Build Complete Gigabyte Gaming B650 X AX rev1. RAM on the QVL. My Cinebench score decreased by 200-300 points. 2 to closer to its rated 5. Please feel free to share your experiences, tips, My buddy recommend paying more for a 13700k than just getting a 7800x3d. Members. ️ ️🫵👌Next in the video is the set In today's video, I overclock the AMD Ryzen 7 7800X3D Raphael CPU up to 5400 MHz with the ASUS ROG Crosshair X670E Hero motherboard and EK custom loop water In today's video, I want to undervolt my cpu curve by -20 to -30. If it's not stable, add +2mV to all cores and see where you're at. Literally add +5mV to cores 2-7, and +15 to cores 0-1. In my case that is "39". ryzen 7800x3d x670e aorus pro x For example, my 7800X3D would crash at -20. It consumes 80-90 W max by default, so lower power limits, or PBO won't help. hello If the PBO CO negative 30 is stable this is the most effective way to undervolt the core and allow the CPU speed to boost higher depending on temperature and limits. The more well known feature is POBO2 Tuner Video - https://youtu. Thankfully with the 7800x3d, AMD allowed support for one of the best PBO features Curve Optimizer, which allows you to adjust the voltage/frequency algorithm and effectively undervolt your CPU for every given frequency while still retaining the benefits of PC components: 7800x3d, 7900xtx, 32gb ram corsair vengeance 6000mhz cl30, Gigabyte b650 aorus elite ax rev 1. My suggestions for a "quick and dirty" 7800X3D undervolt (one that is reasonably stable for most people that doesn't take several days of effort) are to do the following: Boot into BIOS and set your CPU SOC to 1. So what i have done so far is enabled PBO and set the curve optimizer to All Cores -> Negative -> 20 How to optimize the 7800x3D. Get the Most out of your 5800X3D using PBO Curve Optimizer! - PrimeO7/How-to-undervolt-AMD-RYZEN-5800X3D-Guide-with-PBO2-Tuner. 2. I haven't tried but based off of other posts I could probably get the curve to -30 but I've been happy with the results so far. Hello everyone, Recently I realized there needs to be a simple and effective guide from the start to the end about undervolting Ryzen 5000 series using PBO 2, a bs free one that is easy to follow for people who do not really care for specifics, just a stable and efficient system. OC Report - CPU I just wanted to start a thread for people to share their PBO settings for the 5600X3D. Problem: I have up to 89C degrees while playing in some old games like Cossacks 3 and it's only 65C in Cyberpunk 2077. My 7950x3d still boosts to max frequency on both cores quite often. Benchmark Score I am super new to all of this. Navigation Menu Toggle navigation. 1) Max out the LLC for your CPU Vcore. the 7800x3D is with it's just 120W already quite power efficent. 45W, whatever I wanted. Been trying to figure out what BIOS settings to use to get the full value of this CPU for my main game which is WoW (Very cpu dependant) So Linus Tech Tips Hi cannon_dt 1. Reaching 68-69 7800x3d Temps, Performance, PBO Hi everyone, Interesting, in that case you should then tackle the situation with a simple negative offset undervolt on the vCore. PBO or ECLK tuning really don't change the performance of the CPU much at all while potentially creating really hard to track down but it's probably more beneficial to undervolt. Meh I say. 7800X3D - PBO -30 all cores, 4. Looks like I have to undervolt my PC but not sure where and how. If I touch nothing in BIOS and run PBO with Ryzen Master, it does it's How is my undervolt? 7800x3d . I've attempted an OC of my RAM using Buildzoids timings (so it's Hynix die despite being CL38) which has been fine, and a PBO CO undervolt on the 7800X3D. Most boards dont support LLC and are lacking LLC in bios. Runs all cores 5433 while gaming. How should I do this? Should I just do PBO->Curve Optimizer and try values from 15 to 30 and settle on what is stable? Is Cinebench good enough to test stability? I recently built a 7800x3d system with a msi pro b650p MB. if undervolting severly lowers the watt use of a conponent without affecting performance too much, it is worth it. platform thermal throttle limit : 85 My setup: Ryzen 7 7800X3D Gigabyte b650 aorus elite ax 2x16GB DDR5-6000 @ DDR5-6000 Corsair h150i So far I've only came across the PBO. to/3ZVHhIHRyzen 7800X3D - My 7800x3d would run at 82-84 degrees and the fans on my AK620 would ramp up to 100%. I recently built a 7800x3d system with a msi pro b650p MB. I bought a 7800x3d, and so far I really enjoy it. This means that the limited amount of voltage available to the 7800X3D is maximised, and the voltage won't droop under load. This way the CPU boosts lower (and hence uses lower voltages to do that). Given that I am in India, the am 7800x3d Temps, Performance, PBO; cancel. Gigabyte x670 Aorus Elite AX MB Thermalright Peerless Assassin 120 Air Cooler. Right now I have expo for ram enabled, no other tunes -30 all cores If I just set PBO to completely auto. 1. Turn on suggestions. Curve Optimizer is a more elegant undervolt but changes the the "curve", POBO2 Tuner Video - https://youtu. You gotta test it during gaming, work and even when you are not touching the mouse. I mean that's probably why it's such a unicorn case. Are there Want to try PBO but get spooked and find out about undervolting to get more performance yet run As my post states, I was informed by someone on reddit that my undervolt and voltage settings were somehow incorrect and non-optimal for the 7800x3d. I however noticed that my GPU's fans turn on for 5 Interesting, in that case you should then tackle the situation with a simple negative offset undervolt on the vCore. I read a post from another user mentioning that if you go with maximum LLC for your motherboard, you can essentially undervolt the heck out of it. If that's stable, you can try taking off a few mV at a time. What else? BIOS shows me options of: VDDG Voltage control VDDP voltage control SoC/Unicore OC Ryzen 5 7500F max PBO settings undervolt/overclock . Write better code with AI Security. I am using a Asrock B650i PG Lightning motherboard, ddr5 6000 CL 30 ram. Sign in Product GitHub Copilot. Are these temperatures normal or too low? PBO Limits Motheurve -25 all cores PBO Scalar x1 Clock override +200. 2 or 1. a lot of people claim they get good results with LLC but it is not worth it for a 7800x3d. By manually using the curve optimizer (and power and thermal limit) we can fine tune those values to our particular silicon to CPU: AMD Ryzen 9 7950X3D PBO + Undervolt | MOBO: MSI MEG X670E ACE | RAM: 4x16GB @ 6000mt/s C30 wow that's impressive is that stable on 7800x3d ?, also am interested in 8000mhz performacne could you benchmark small game just to compare with my tuned 6200mhz ram cl30 , 7800x3D PBO, CO, cinebench , questions Help (CPU) Using the Gskill neo 6000mhz cl30, asus tuf x670E gaming board with my 7800x3d newest chipset from amd website, and new bios from mobo. I then went and ran Hwinfo64 and furmark cpu stress test just One thing I noticed, which most reviews failed to report, is how ridiculously effiicient you can even boost this chip further. This is the settings that made it go past 1 Hour Prime95 (Blend all of the above) without errors. One weird thing is I have PBO in 2 parts of the BIOS - one under Setting->Adv CPU config and other under OC settings. MSI MAG B650 Tomahawk Wifi@ 7D75v1C . PBO doesn't seem to do anything with idle temps in the 45s-55s, completely lost at this 1) Max out the LLC for your CPU Vcore. Member. There's no (Bad and Long) Clock So testing PBO curve optimiser is easy for high load testing eg occt sine core small fft etc But it seems the random crashes you get while gaming are from very light loads. Undervolting using PBO will allow your CPU to boost near to max clock speeds using less voltage (heat). I run my 7800X3D with PBO and all core offset of -30 and temp limit of 85c and it runs perfectly. . AGESA ComboPI 1. I dont really advice to use LLC. I finally set on 75W, still using the -30 negative curve optimizer and +150 MHz positive PBO clock. It was running at 4. Ryzen Master will be helpful here to see what the limits are hitting. Hello, I come to you because I encounter a problem with the PBO and the curve optimizer on my 7800X3D, in fact as soon as I modify the curve optimizer to put it at -10 (low value) If the CPU is completely stable at stock, 7800X3D - scared to undervolt despite reviewing some vids. Under "Curve Optimizer" change the sign to "Negative" and then you should apply as high a number as is stable. 7800x3d is already a ridiculously efficient chip but, apparently, I can blindly go to PBO and set all core to I removed my -22 undervolt and turned off PBO. Its actually running decent, but I know I could undervolt it and tweak it to run cooler without loosing too much performance. LowParry. 2. Skip to content. Skill Flare X5 Series 32GB (2 x 16GB) DDR5-6000, so I assume I am good to turn on EXPO. Thanks The Englishman for the detailed response, please see below 1. Curve Optimizer is a more elegant undervolt but changes the the "curve", this results in better performance as long as there is headroom to boost. However I have some questions as to how I should go about this: 1. 05GHz single core, 18286 C23 multi, 1779 C23 single Sage Ryzen 7800X3D - Gigabyte B650 Gaming X V2 - ASRock Steel Legend 7900GRE - G. SoC voltage is not Planning to get a 7800X3D soon. As for VSoC, yes it needs to be 1. 0. No powerloss from having 2 dies and having interconnects between them, no weird algorithms for juggling the workloads between the 2 dies, just a single die, with 3dvcache access to every core. Best Efficience. 2) Activate PBO. 25 V maximum with 6000 In today's video, I overclock the AMD Ryzen 7 7800X3D Raphael CPU up to 5400 MHz with the ASUS ROG Crosshair X670E Hero motherboard and EK custom loop water I don't see why you would want to do this. If you want to get a power efficient gaming cpu, the answer is same as last gen, the 8 core x3D part, so the 7800x3d. 0 speed. Wie kann man den Prozessor auf optimale Effizienz, abhängig von der Kühlung, einstellen. With a PBO settings of -25 undervolt and 75C temp limits, I saw the CPU staying in the mid 60s during gaming for the most part and the build is very silent. I have to have PBO and CPB shut off and the CPU on ECO mode just to get to windows, playing games is an excercise in save-scumming because you can be sure its going to crash So ive just build my pc with the Ryzen 7 7800x3D, which is a big upgrade from my last cpu granted, however with it came really high temps / temp spikes when playing games as well. Should I change the throttle thermal limit as well or just leave that default? Also can I leave EXPO disabled with PBO curve optimizer enabled? One thing you could test is to keep PBO2 on, but set negative Fmax offset. 15v. Gonna test it out with a couple of 3D Mark runs and then some Civilization 6. But so far my settings are: core 0 -30 core 1* -35 core 2 -30 core 3** -30 core 4 -30 core 5-30 After PBO tune and 30 undervolt, I ran my 7800x3d on cinebench multicore for 30 minutes and the max temperature was 76 degrees. So, enabling PBO doesn’t have that much of a ¥ÿÿWdж—Ö=ÜÌ€]íÍ|XN PPvØ«ª ™ ¬þøõçŸÿþœÀŽ ÿÿÁh2[¬6»Ãér{xzyûøúùûüLûê^— á„ «?_TD¼ B}´sëÙ· Ä[%vR$“¤,»8,ôå8s How should i test the 7800x3d? i do not know how to setup prime 95 or corecycler,i just set a temperature limit to 80 and -30 pbo + amd expo on,i Skip to main content Open menu Open navigation Go to Reddit Home 5600X3D PBO and Undervolt Thread . If the PBO CO negative 30 is stable this is the most effective way to undervolt the core and allow the CPU speed to boost higher depending on temperature and limits. In regards to I recommend tuning the SOC voltage with PBO curve optimizer off as instability from that could be Trying to undervolt my 7800x3d Started from negative pbo of 30 And in prime95 tests my PC shut off after few seconds So I went down in pbo and for now seems like 15 is stable enough to run (checked for few mins , but played few games afterwards and it was stable although I had like a big freeze In one match and it fixed itself but It was for 5 Manually tuning PBO as OP did will of course give the best results, especially for SFF builds with low profile coolers like that IS-55. Prefer frequency option is bugged and doesn't work with PBO on, but it seems to not matter anyway. I'll update this post with the results later today. I am running my 7800x3d at -40 CO and Extreme LLC. My 7800x3d is performing poorly for what it is so I'm trying to undervolt to see if it will get better. Curve Optimizer is a more elegant undervolt but changes the the "curve", Undervolt CPU 0:00RAM, FAN settings 1:07👌👍Then you will have low CPU temperatures of at least about (-5 °C). Hey. I meant a pbo CO of -40. Find and fix vulnerabilities Actions. That's it. The offset undervolting is the board I keep seeing things about how you can't overclock the 7800x3d cus of the sensitive 3d cache, if you buy a 7800X3D just don't do anything with it. to/3ZVHhIHRyzen 7800X3D - I have experience undervolting through PBO. but granted top cpus used to use 80-100w while an 7800x3D already has way more performance than you need Ryzen 7 7800X3D PBO/UV: Corsair H115i 280mm water cooler, Precision Boost You can also now undervolt the X3D chips using the Curve Optimizer that can be accessed either via the BIOS or 7800X3D PBO ( PPT,TDC and EDC ) Help (CPU) Hello guys, I undervolted my CPU and here’s what I did: curve optimizer set to -30 all core. What should I change my PPT, TDC, and EDC to in my bios settings? CPU: AMD Ryzen 7 7800X3D Motherboard: ASUS B650-E TUF Gaming RAM: G. 1. Quick video in which I'm showing how a 7800x3D would perform using Cinebench R23 using stock settings first, and then with a set-up PBO optimized undervoting However I had some settings copied from a YouTube video for the 7800X3D stating that I should set it with the following values: Precision Boost Overdrive - Advanced PBO Limits - Motherboard PBO Scalar Ctrl - Manual PBO Scalar - 10x CPU Boost Clock Override - Disabled Platform Thermal Throttle Ctrl - Manual We overclock and undervolt the AMD Ryzen 7 9800X3D to 5750 MHz with the ASUS ROG The Ryzen 7 9800X3D succeeds the 8-core Zen 4 Ryzen 7 7800X3D which we overclocked in the first single-CCD Ryzen 9000 processors, the Ryzen 7 9800X3D isn’t limited by the power limits. What are the recommended voltage settings for 7800X3D running 2x16GB 60000Cas36 Menu. This is a thread to continue the escapades from this thread of my, and anyone else's efforts to undervolt their CPU with a PBO curve, to achieve equal or better performance as stock, while running at far lower temps and I’m going to undervolt all cores on my 7800x3d starting with -20. You can try curve optimizer straight from the BIOS or Ryzen Master, the general advice is to use Ryzen Master since its much more comprehensive and easy, BIOS can have a hard learning curve to some people, although its much more complete for the overall users. Using the tool Project Hydra Hi, I recently built a 7800x3d system with a msi pro b650p MB. Home. Jul 31, 2023 #2 Domingo Fully MSI board. More rigorous stress testing to follow 4800MHz ish, maybe 4840 if it's peaking. In the BIOS, the PBO has levels 1-5 for different ratings 70-90. 90GHz all core, 5. Given that I am in India, the am I seem to be having some kind of problem getting undervolting my cpu ,(similar to this method Ryzen 5000 Undervolting with PBO2 – Absolutely Worth Doing - YouTube) and engaging with PBO with Ryzen master,they dont seem to be playing well together but work fine when using individually. So I am wondering if I even did it. Anyone know a good way to test that idle undervolt and low load undervolt stability?. so I wanted to undervolt to get lower temps. always steered away from it cause most of what I’ve read is the opposite and advise against maxing it if you have a I recently built a 7800x3d system with a msi pro b650p MB. Current Powercolor 7900 GRE Red Devil minor undervolt: Storage: Samsung 870 QVO 1TB x 2, Lexar 256 GB, TeamGroup MP44L 2TB, Crucial T700 1TB, PBO manual settings on 7800X3D? Discussion Someone told me it might be worth messing with (lowering it). How should I do this? Should I just do PBO->Curve Optimizer and try values from 15 to 30 and settle on what is stable? Max out the LLC for your CPU Vcore. Stress testing will only reveal if your undervolt is fantastically too low. 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. Undervolting (and optionally tweaking PPT EDC TDC settings I'm PBO) will not only radically reduce power consumption and temperatures, but will also significantly improve performance due to increased voltage and thermal headroom. The SOC voltage default setting is AUTO for ASUS boards and it is notorious for auto incrementing the voltage to unstable levels when turning on PBO to OC or undervolt. Automate any CPU 7800X3D RAM Dominator Platinum RGB 32GB DDR5-6000 CL36 Cooler Corsair iCUE H150i ELITE LCD . Fantastic chips for that type of build. I am running a 7800x3d in a Fractal Terra, with axp90-53 hsf. Activate PBO. Every time it'd crash (which at -10 was about once a month) I'd reduce the undervolt by 5 until I landed on -5 which is completely stable. Even my old Intel Core i5 If you are undervolting and crashing when idle, your undervolt is too low. Auto-suggest helps you quickly Interesting, in that case you should then tackle the situation with a simple negative offset undervolt on the vCore. 3) Under "Curve Optimizer" change the sign to "Negative" and then you should apply as high a number as is stable. What I did was in the latter and when I did F10, it said no changes to BIOS. The problem is there are many guides and videos, and I am guessing some are outdated. be/4nPmfUyQPsACurrent setup (used for benchmarks as well):RTX 4090 Suprim - https://amzn. More specificially, that I should set tjmax to default, PBO to -20, ppt to 75w, soc to Introduction. How do you stress test PBO undervolt for 7800X3d stability in low loads or idle? Help Request - CPU You could run stress test for hours with no errors, but as soon as your pc is idling or just browsing the internet the pc crashes with 7800X3D PBO undervolt. Undervolting PBO (individual cores) It takes patience tho, cus if you do it too much (undervolt it too high i mean), it will start resetting the PC. SKILL Flare X5 Series 32GB DDR5 6000 Kit GPU: ASUS NVIDIA GeForce RTX 4080 Super ProArt Overclocked Triple-Fan A tuned 7800X3D with PBO undervolt and fast memory is a seriously awesome chip. Usually CPUs don't explode - so that's not typically a risk people account for these days. 3) Under "Curve Optimizer" change the ryzen 7800x3d undervolt/Vcore SoC/SoC Voltage ? on x670e aorus pro x motherboard. In the BIOS, the PBO has levels 1-5 for different ratings I haven't done any tweaking to my 7800x3d yet, so I was looking at curve optimizer and PBO. I do have G. 44 votes, 54 comments. What's new Latest activity New profile posts. Find and fix Get the Most out of your 5800X3D using PBO Curve Optimizer! - PrimeO7/How-to-undervolt-AMD-RYZEN-5800X3D-Guide-with-PBO2-Tuner. My 3rd core can't handle any undervolt and it fails to start in Prime95 at -30. Runs at 85-89 degrees, sometimes exceeding 89. 9 - 5 ghz the entire time. 5 All I did was set it to -20 all cores (via PBO -> Advanced). github. in that case you should then tackle the situation with a simple negative offset undervolt on the vCore.
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