Vega 64 hbm voltage 35V timings are looser by default HBM clock can go up to ~1200 MHz, 1100 being the norm with Samsung anyway Timings [edit] These timings are only valid for a reference Vega 56 like mine or a reference 64 (Samsung HBM). More fps Reseating it was a placebo. /r/AMD is community run and Could have been a bug with the Vega 64 liquid bios on the Vega 56 I have. At stock power limit I can do about 1010 maybe 1020. It wont magically make your hotspot drop 20+c unless you had a change in voltage that dropped. You will get a better performing GPU that does not throttle, has a very noticeable reduction in power consumption, noise and thermals. 962 and 0. 0 x16 interface. Thanks for the tip! Didnt know about the floor voltage. Reply My Vega 64 is sitting at 245-250W of power draw on default and auto undervolt settings. Clocks: Core: 1702MHz, HBM: 1050MHz Voltage: 1070mv I have more tuning Aug 14, 2017 · PCB & VRM Analysis for Vega 56, Vega 64, & Vega FE Between the VRM, PCB, interposer, large die (and yield), and HBM2, we’d be surprised if AMD is making much – if anything – on Vega 56. Set the hbm voltage to lower than your p6 voltage as it is the voltage floor of the core. 5% overclock on my rig, which is 1697mhz and HBM at 900mhz with no changes to HBM voltage or clock voltage. But the gain from 945HBM to 1150HBM was closer to 17%. My Vega 64 at stock settings hits 74-76 C, but after turning down the core voltage from 1200mV to 1030mv it went down 10 C on the core and stopped throttling. Wattman or any other app are worthless for HBM voltage. As far as I know, the "memory voltage" actually controls the SOC voltage. This piece of the cooler also provides cooling for the voltage regulation circuitry on the card, as indicated by the gray thermal pads. Click to expand Nice! yeah I also found 1. 35V in the BIOS regardless of what you set. 25V for cards with Vega 56 BIOS or 1. Vega 64 does have higher binned HBM on it than Vega 56 (different manufacturer too from memory, samsung instead of hynix?). Reply parentskeepfindingme • 5600X, 6800 XT, 32GB DDR4-3600 • Oct 5, 2021 · best vega 56 / 64 ETH hashrate is 55 point something, tested / proven, higher than that it’s unstable, cmiiw Oct 5, 2021 · The same as when i wasn’t stable If i flash back the stock 64 bios, wont the raised HBM voltage help with stability at high clocks? I mean lets say i dont care about power consumption, would i achieve better clocks with the 64 bios? Neh, with Vega what works is doing the job by manual, set it to custom and start undervolting by 20mvs until you see a performance drop, then go back and try by 5mV. AMD ships the HBM on all Vega 64 cards with a 100mV voltage bump which is only ~8% higher than the specification. g. Display outputs include: 1x HDMI 2. My 64 Air card won't do 1000 stable if I up the power limit. Jun 4, 2018 · PowerColor's Red Devil RX Vega 64 8GB HBM2 takes AMD's reference concept and improves on its biggest weakness: cooling. The card's dimensions are 280 mm x 111 mm x 40 mm, and When trying to OC/UV my reference blower Vega 64, i noticed that if i set my HBM voltage to 950mV or lower, i can't set it higher than 1025MHz, or it'll work like if i had set 800MHz. you can just set the power limit to max as it only takes what it needs to run, but about 264w is what the water cooled card AMD™ Radeon™ RX Vega 64 at 1750mhz uses. 987V. 2v (Vega 56) depending on which card you're using. A lot of things can impact that. Recently, I had to set the HBM to 1175 which was stable, because 1185 started to artifact. Night and Day difference in the temps and steadiness of the clocks. I've noticed that as I've underclocked and undervolted my GPU core even more, the temperature differential between the HBM and GPU becomes larger. 35v. I don't know why AMD decided to call that memory voltage, since it isn't that. 30% reduction in power consumption makes Vega 64 a very efficient GPU. Also I'm not sure about the 56, but the 64's over / under clocking on Linux is broken, the card will often get stuck in various states so I had to write Core frequency on state 6 and 7 needs to be different. For Vega cards, the memory voltage setting in Radeon Settings actually changes the core's voltage floor for P6/P7 states. Vega 56 cards built with Samsung HBM will have the same type of HBM used on Vega 64; 2. If I raise it past 1100mhz it crashes almost instantly. My HBM temp seldom goes So I'm kind of a newbie to overclocking, and was wondering how to ensure that I get the best out of my Vega 64. Instead of 3500rpm and 75c temps on the stock cooler and throttling of HBM, I can run the core and HBM around 57c with hotspot in mid 80's on an undervolt and still achieve around 1630 on the core steady as she goes and 1150 on the HBM. This is also why people are eager to bios mod their Vega 56 cards to the Vega 64 bios. I run the HBM at 1090MHz. 35. , 950mV to have a lower frequency on the voltage/freq graph, it'll effectively disable those higher voltage ranges. I clocked the HBM down to 1070 and it was ok for a bit. Edit: got beat to the punch lol Powercolor Red Devil Vega 64 Red Devil. Essentially in P6 and P7 the card will not allow the voltage to be lower than that setting. You can use HWinfo64 etc. I've been running 1050MHz while I still use OverdriveNtool but with this latest drivers and powerlimit at +50 I see in light loads peak to 1672mhz and in heavy going to 1610, insane. Aug 13, 2004 · Be careful, there 2 kinds of HBM on Vega 56 the Hynix can't pass 950-960MHz. Hey Guys, I flashed my Vega 64 with the liquid BIOS and put an ekwb on it. At stock clocks the difference between 1600mhz core and 1700mhz core is around 2-3%. 95V at full load. - Vega 56 with Samsung memory may benefit from a Vega 64 BIOS due to tighter timings used in Samsung HBM modules. Anyway, Vega 56 is now the killer GPU, but it all depends on the price. 1. 35 for cards with Vega 64 BIOS. Then after some research found out about other users saying that hynix hbm2 was degrading on them too. So I have a Vega 64 but I flashed to LC and put a 240 mm AIO cooler on. 2v Vega 64 is 1. I had read that there was an issue with drivers after 19. Follow up, got the Vega 56 on the 64 Bios and the Morpheus 2 Cooler on. HBM voltage on V56 BIOS is 1. if you get mV to 1000 GPU voltage will not drop lower than 1000mV, if set to 950 GPU voltage will not drop below 950mV, etc. 1. " You cannot change the HBM voltage without using the registry hack. Everything was good. 35V. I can get 1100 stable but it was only for benchmark results. Ive read that some other people had a similar issue with HBM speeds dropping to 800mhz from their 1100+ hnm overclocks. Also it's important to note the voltage you're changing is the voltage of the core. You'll find that the HBM2 voltage is locked all the time. My monitor is 2560 x 1080 so I don't necessarily need the best performance from my card, but a profile that would allow it to ensure it's longevity. You actually want to increase HBM voltage. 35v, have your tried that? Dec 23, 2022 · - Vega 56 with Hynix memory will not work with Vega 64 BIOSes designed for Samsung memory. Follow this video applies for Vega 64 too. We tested six different performance configurations of the Vega 64, with surprising results. Today, we're taking the card's thermals out of the equation to dig deeper into the relationship between Being a dual-slot card, the AMD Radeon RX Vega 64 draws power from 2x 8-pin power connectors, with power draw rated at 295 W maximum. I was able to further increase my memory overclock from 950 Mhz (w/56 BIOS) to ~1010 Mhz before artifacting. Stock clocks and power. Sep 17, 2018 · You may help things with more HBM voltage, but i have no guidance on that and be careful not to blow it up . One thing to note on HBM2 is that the voltage is locked to 1. It's true that the actual HBM voltage is just set by the bios (1. Dec 30, 2011 · On stock reference Vega 64, drop mV to 900 for all voltage settings and set PL to 50%. 25V, V64 + V64 LC BIOS is 1. Now I started finding the gpu crashing often. 4a. Im now playing around with HBM voltage at 1v and lowering the HBM clock from 1050mhz to 1000mhz, since it lowers the consumption quite a bit. Aug 14, 2017 · AMD's heatsink uses a cooler with a copper vapor-chamber baseplate and heatpipes to keep the GPU (and its HBM memory chips) cool. So it needs to be lowered for an undervolt on the core to actually take effect, because even if you drop the core voltage to 1000mV let's say, if the memory voltage is 1100mV then you won't reach that 1000mV What we know about HBM and flashing a 64 bios: HBM voltage goes from 1. 1 where HBM and gpu usage would drop and it had to deal with the Vega 64 liquid bios. I think the Vega 56's HBM voltage is set to 1. The 64 Bios raises the HBM voltage by 100mV. HBM leave it stock voltage, and push it by 50Mhz until 1000Mhz I think is the max IF you have Samsung memory. HBM is very temperature sensitive when overclocked, so maybe the others' overclocks just failed because of heat. Reference Vega 56 with Samsung HBM and Vega 64 BIOS here. Measurements of 68°C behind the GPU package and 66°C at the voltage So on my Vega 64 I was able to get 1185 MHz on the HBM without artifacting as long as I kept it under 65 C, which I have been and still am able to do. Radeon RX Vega 64 is connected to the rest of the system using a PCI-Express 3. I can't get to 1100Mhz HBM core clock stable. 35, so you probably won't be able to clock it that high, although it's possible to raise the voltage on the 56 to 1. 950mv. Other than that, your score will depend on how high you can get your HBM to run at. I do still follow the rule of HBM makes vega faster and undervolt ofcourse, running at 1075mv Oct 14, 2021 · I would screen it but for now I have it switched to Ergo was doing 215mh/s but my hbm got to 75c and I backed it up to about 207mh/s… 58 mh/s on eth wasn’t stable for me at all until I bumped the hbm voltage to 1. My current system is ryzen 1600x on a b350 gaming k4 board and ofc the Vega 64 gpu. Power saver puts it to around 188W. May 8, 2016 · Yeah, and maybe lock the frequency/voltage limit in MSI Afterburner - Ctrl+F to bring up the voltage/freq graph, and wall off the > 950mV parts. com/vgabios/?architecture=AMD&manufacturer=&model=RX+Vega+64&interface=&memType=&memSize=&since=Atiflash 277:https://w Opps. to see the real HBM voltage, which will be 1. . Consensus is that the voltage doublers on the card are where the specific hotspot is located because as voltage increases so does the hotspot instantly and no amount of reseating the cooler will help unless your temps were bad from the get go on core and hbm. Our AMD Radeon RX Vega 64 review confirms that the company achieved major performance improvements over their last-generation Polaris and Fiji cards: Vega is faster than the GTX 1080. Vega 56 may have either brand of memory. But we can't change HBM voltage. That hbm voltage in Wattman is actually not the hbm voltage, because hbm voltage is determined by bios and all V56 have 1. com Vega 56 is 1. 356mV (Similar to my HBM_1v-Mod for Fury) In theory we can Hit up to 1300MHz OC (When Cooled properly, i will conduct some testing in Winter Time ) Vega See full list on tomshardware. This is exactly why Vega 64 bios improves memory overclocking on Vega 56. I run my Vega 64 (blower cooler) at 980mv/1536MHz for P6 and 1020mV/1630MHz for P7, HBM at 960mV/945MHz (HBM get's unstable with 950mV or less). Before even putting the cooler on it that card would happily run 1100mhz on the hmb. However, it is such a weird lock that i wonder if it isn't a bug, because if i set like 951mV to the HBM voltage, i can set any value above 1025MHz and it works Undervolted Vega 64 and Vega 56 are pretty close. May 10, 2019 · the best settings I have are 4. like 50-80 watts more for 2 percent performance and a heap of noise. The point of flashing to a v64 is the higher HBM voltage and clock limit. Mar 25, 2012 · I'll eventually get around to tweaking the HBM memory voltage, but I'm leery of doing so since I have it overclocked to 1100mhz. Under load actual voltage fluctuates between 0. The hbm voltage is hard coded into the bios and this setting doesn’t effect it. This is why messing with the memory voltage setting does not appear to have any effect. vega 64 strix (thermal pad replaced ofcourse). My old Vega 56 ran the following stable HBM2 Voltage: 800 HBM2 Clock: 900~950 (Hynix) VCore: 925 (State 7, rest 850) PT: -15% Resulting in ~1500mhz under load. Applied new knowledge from bulldzoid yesterday to my MSI Vega 64: HBM@1080, "memory voltage" 950mV, p6 950mV, p7 980mV. I have my P6/7 clock set to 1582, core voltage 1000, HBM clock at 1040, HBM voltage at 1000, power limit +50%, fan at 2660rpm, target temp 63C, max 75C. I use this tool to tweak the HBM memory and I recommend it: View attachment 270390 Edit: One more thing, if you use MSI Afterburner, it show combined voltage for GPU and HBM voltage ! Posted by u/nKiller30 - 15 votes and 24 comments Welcome to /r/AMD — the subreddit for all things AMD; come talk about Ryzen, Radeon, Zen4, RDNA3, EPYC, Threadripper, rumors, reviews, news and more. 35V for Vega 64). After reading accounts of others doing the same, I successfully flashed the Sapphire Nitro+ Vega 64 BIOS onto my Sapphire Pulse Vega 56 with hynix memory. 1v to be the max voltage before the card loses performance You don't want to lower HBM voltage. Once I put the cooler on I was able to run the HBM at 1120mhz . The "memory voltage" is a bit complicated. If you make all voltages beyond e. Seems im peaking at 215watt usage (@100% usage) now! :) Edit: Im now running 1000mv +20% on 1630 core (1500-1520~ in reality) and 1000 HBM. 25V to 1. This morning 1175 was artifacting, and I have it all the way down to 1160 to keep the artifacting at bay. The memory voltage slider is basically just a core voltage floor for the p6/p7 state. The memory voltage field in Radeon WattMan Aug 15, 2017 · Actual HBM_2 Voltage for Vega 64 is 1. 3v (Vega 64) or 1. HBM Voltage should be 1250mV for Vega 56 and 1350mV for Vega 64, in fact, is more efficient than the water-cooled 980Ti it replaces for compute. It has no effect on hbm voltage. Turbo at least on vega 64 is entirely pointless. PL at 50%, memory voltage (which is actually core voltage floor) set a 950. Try 1000 first, then go from there. Sep 16, 2018 · It's because HWInfo64 gives you HBM2 voltage readings which GPU-z doesn't give you. E. Keep in mind that the HBM voltage on Vega 64 is locked to 1. And fans now run at 2600 instead of 3500. 25V and V64 1. Tried OC my HBM and when i added only like 10-20Mhz on it started to show artifacts. Lower Power Settings - around 250watts. Anyways RMA-d and got my money back but my main theory for issues on my Vega was that Hynix HBM2 was shit and just started degrading Sep 20, 2018 · The HBM voltage can not be adjusted on Vega, the memory voltage on wattman does nothing for mV, instead it seems to control the minimum voltage drop for the GPU. 2v while the 64 is set to 1. For me GPU P1 state is very interesting because make the games to load faster. 0b, 3x DisplayPort 1. I don't expect any degredation coming from a sub 15% increase in voltage. Vega is bandwidth bottlenecked and will make use of all the memory clocknyou can give it. Actual clock fluctuate between 1480 and 1500. I run my vote at only 960mv with stock vega 64 clocks. If your on a reference cooler you should be able to keep the fan max speed at around 2500-2700rpm without any throttling. Oct 4, 2017 · There's a lot being written about overclocking and undervolting AMD’s Radeon RX Vega 64. Jul 23, 2015 · I'd definitely research a little on undervolting on the Vega 56 and 64, its interesting. The card has a power consumption around 200W (which interferes with temperatures, of course) and effective clock speeds under load are around 1534~1537MHz. HBM voltage will never go above max BTW, the memory voltage that you can control for Vega is not the real HBM voltage, it is the core voltage floor. I meant "can't. Even as p7 clock is set to default 1632, but with this kind of UV,"gpu boost" doesn't let it go past 1530MHz. Negative Powertune -10% P6 & P7 & Memory Control Voltage - stock HBM2 OC'd to 1060mhz Temperature target reduced to 60C Minimum fan speed increased from 400rpm to 1500rpm. Vega 64 only hitting 1025 MHz HBM max Resolved Edit: Solved, codywarmbo and ghenghisprawns suggested to raise the floor voltage, which allowed it to go higher than 1025 MHz. techpowerup. Download the latest GPUz and you can see this is real time. Vega 64 Bios's:https://www. Considering that Vega 56 has 512 cores less than Vega 64 -among less frequency and bandwidth-, it does tells there's something else than GCN or power limits that plague's Vega 64 performance. Identical to reference RX Vega 64 FPS in most games at 2560x1440p. Still, weird to see GPU-Z reading 0. It helps quite a bit, my 56 wouldn't do anything past 900MHz. bqy ysexcn jktl dalgqe dcxuo phetyusc tyrwru iystd nrlt qhdhn