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post #7371 of 7682 (permalink) Old 02-27-2019, 07:44 PM
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Quote: Originally Posted by Sickened1 View Post
This is inaccurate. You can hit that P7 speed assuming your cooling/wattage/voltage lets you. I have my P7 set at 1687 and it will easily hit it playing BFV 1440P max settings. Same with benching. If I set it over 1687 though, such as 1692, it over boosts to 1737+ and crashes my drivers. No idea how to fix that though. Maybe powerplay mods could help me with that.
I have a Ref unmoulded Vega 64. I havent seen my card hit the actual P7 set speed or overboost not even once with a 3d load.
I do use my vega for gpu acceleration in SVP and that's the only use case I have seen the card sustain the p7 set speed.

I didn't mean to say its not possible to stay within the P7 boosting range, just to hit the set freq isn't quite a thing to expect.

I run my card with 1060mv, 1630 boost set for P7 and see 1601MHz boost sustained quite regularly. hitting around 70C/83C Hotspot with ref cooler.
I've got an asetek cooler inbound for playing with strapped to my card soon. I am expecting to see better boost frequencies with the lower temps.

Will be damn nice to finally OC around power limits instead of temperature.

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post #7372 of 7682 (permalink) Old 02-28-2019, 04:34 AM
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@MrPerforations I have same problem with my 2 vega 64 in crossfire, most game don't work with it and sadly fallout 4 is one of them, it is cpu sensitive in most era.

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post #7373 of 7682 (permalink) Old 02-28-2019, 12:11 PM
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Quote: Originally Posted by snipernote View Post
@Xinoxide
i managed to make these settings in this week and i find them stable so far but i cannot reach more than 1540mhz without extra voltage

would you guide me to make it better ?
hbcc is on at 16gb total dedicated memory

profile 1 for best performance so far 4447 points in superposition 1080p extreme custom fan curve and undervolted


profile 2 same under-volt settings but power limit set to -30% to keep it well under 130w usage i am using for 2017 demanding games to keep my pc cool & quite like Assassins Creed Origins at ultra high settings 1080p i am getting about 60fps average

profile 2 stock fan curve and zero fan mode on gets 3459 on 1080p extreme


for comparison , stock settings net about 186w with 4000 points

note : i will never use my vega for mining , i just like it quite !
if you can help me achieve better undervolting for now i would appreciate it

question : does flashing My Vega to 64 revoke my warranty ?

current system validated specs : https://valid.x86.fr/fpcgd4
ps : i sometimes oc my cpu to 3.8ghz @ 1.368v which gives a nice boost in performance but i am currently trying the xmp memory profile

i had some extra help today on reddit and i got the Correct V64 bios that works for my Card

now its very interesting !!!
stock vega 64 bios gave me 4253 score without under volting

i am getting better results , 4514 points in Superposition 1080pExtreme with 0% Power Limit @ 205w usage HBCC OFF
undervolted and overclocked ! hbm memory at 1100mhz , i will have to test it more but i like it more now !
you need to read this reddit reply to my questions to flash the card properly if you are interested ( use it at your own risk , my card works after flashing the right bios without issues )


https://www.reddit.com/r/radeon/comm...a_56_bios_and/
thanks to kagoromo , he is my hero for today !
i am so happy now !
edit : updated settings because it was crashing in assassins creed origin ... i had to change the clock table by the one default from my vega 56 oc bios and memory OC reduced to 1050mhz 1025mv .... now i can play the game without crashing
i benchmarked the stable settings again and i am getiing 4383 points
edit 2: Updated settings again to get the best undervolt settings ,,,, now i score 4447 points in superposition 1080p extreme
attached the latest version 4 of my settings ... gonna try power play tables now


Update : Power Play Tables used to keep the UV and Fan table with full RPM at 75c temp target , just because my pc case cannot cool my card properly at 2400RPM i had to implement a custom fan settings table between my original V56 and the flashed V64 bios


now my card runs super position benchmark with ~205 watt only scoring 4487 , zero fan mode works and wattman settings for overclocking HBM to 1050mhz only ... getting 1560mhz stable which is great ... if i feel the time to lower the speed on core clocks i can do it easily from wattman ... i think 1560/1050 combination is working great now
@hellm i tried many changes to memory speed and volt levels in PPT all made my card run worse ... higher watt consumption and memory speed always fall back to 800 or 500mhz ,,, so i left all memory settings stock as in V64 bios and overclocking in wattman gave me the best result so far ... having the best results so far


Update: thanks to some testing i discovered that my gpu needs more voltage to keep working without crashes ... updated power play tables and xml files for the new settings ( p6 1050mv , p7 1075mv , hbm 1075mv and floor voltage 950mv ) having less crashes so far especially in assassins creed odessy and the gpu is reaching 1580 - 1600mhz
Attached Thumbnails
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Attached Files
File Type: zip v64 uv4.zip (543 Bytes, 23 views)
File Type: zip PPT+Wattman Settings.zip (1.5 KB, 18 views)
File Type: zip Original PPT Red Dragon V56 + Sapphire PPT 64.zip (2.3 KB, 23 views)
File Type: zip PPT+WM v9.5.zip (1.5 KB, 10 views)

Last edited by snipernote; 04-09-2019 at 11:44 AM. Reason: Update Using Power Play tables + HBM OC
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post #7374 of 7682 (permalink) Old 03-05-2019, 08:40 AM
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New Vega 64 owner here

So guys just pulled the trigger on a used Vega 64. I love my dual Fury's but crossfire just isn't where it is at anymore. I held on for as long as I could. But alas it wasn't to be. So I decided to side grade. Definitely will see improvements in single GPU only games but will likely loose a bit in the few titles that do use mGPU.

So as a new Vega owner and also as someone who hasn't been on OCN for well over a year I wanted to know if there are anythings a first time Vega owner should know.
I do plan on putting this thing under a custom water block.
I would like to know how does vega perform OC wise? Especially with maybe more volts thrown at it (not less) and higher target limits?
Also there was a fair bit of support for Fiji bios modding. Is there some good stuff out there for Vega BIOS modding? Modifying PowerPlay tables etc?

EDIT: Also can anyone give me an idea on the difference between the Sapphire Vega 64 21275-02 vs 21275-03?

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post #7375 of 7682 (permalink) Old 03-05-2019, 01:32 PM
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Quote: Originally Posted by Alastair View Post
So guys just pulled the trigger on a used Vega 64. I love my dual Fury's but crossfire just isn't where it is at anymore. I held on for as long as I could. But alas it wasn't to be. So I decided to side grade. Definitely will see improvements in single GPU only games but will likely loose a bit in the few titles that do use mGPU.

So as a new Vega owner and also as someone who hasn't been on OCN for well over a year I wanted to know if there are anythings a first time Vega owner should know.
I do plan on putting this thing under a custom water block.
I would like to know how does vega perform OC wise? Especially with maybe more volts thrown at it (not less) and higher target limits?
Also there was a fair bit of support for Fiji bios modding. Is there some good stuff out there for Vega BIOS modding? Modifying PowerPlay tables etc?

EDIT: Also can anyone give me an idea on the difference between the Sapphire Vega 64 21275-02 vs 21275-03?

I've only had my VII for a week but I've tuned a Frontier Edition and a 64 in other builds. This is what I've learned that I can pass along, there are probably some more masterful 56/64 owners that can add onto this but this would be a good starting point.


1.) get some baseline benchmarks on completely stock (Fire Strike, Time Spy, Superposition, etc.)
2.) Undervolt to lowest stable voltage for stock clocks and raise power limit to 50% and create a fan curve that gets to around 2500-2700 rpm a good bit before 80C. Keep in mind that these cards will not boost to their full P7 clocks and maintain them. However, the closest you can get to them is by keeping the card as cool as possible by using the lowest voltage and a proper fan curve.
3.) And then just go ahead and maintain that 50% power limit with the more aggressive fan curve and inch the voltage up while taking the P6/P7 clocks up 25 or so on both (these should remain staggered, with P6 lower than P7 as it is a phased clock). Then once you get closer to 1500/1580 on P6/P7 drop it down to like 10 between each test. Test memory by clocking it up about 10 each time once you have FULLY stabilized core clocks.



Note: Save any power play tables or bios flashing until you get water since you'll most likely hit thermal throttling at a point. Make sure to validate each level of overclock (jump in volts/frequency) with performance since the P7 clock can vary if you get to a point of diminishing returns with too high of voltage/heat.


Hopefully, this helps, it might be a bit scatterbrained though. But, to answer your question about performance: https://www.gamersnexus.net/guides/3...modded-vega-56


Vega are great overclockers and people should only be buying them if they intend to overclock them since that's where they really shine the most.

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post #7376 of 7682 (permalink) Old 03-05-2019, 08:43 PM
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Hey guys!
Still doing some overclocking on my GigaByte Gaming OC Vega 56, I currently have -75mv Core, 1680 set Coreclock, 880 HBM (Hynix) stable (99 looped runs on Metro LL benchmark and other programs) with my temps still in range (65c - 70c on core and HBM)

So, Im trying to do PPT mods to increase my power limit to 100% or even 150%, and Im using the tables found here
https://www.overclock.net/forum/67-a...#post_26297003

I changed the 32 to 96 however I'm not seeing a boost in my power limit (Still limited to 50%), and yes, i've rebooted my PC. Even went into regedit to make sure the regkey is in the proper folder and place.
I re-installed windows yesterday and have done a DDU and reinstall of drivers. Can I get some help here?

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post #7377 of 7682 (permalink) Old 03-05-2019, 10:08 PM
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Quote: Originally Posted by BTViolence View Post
I've only had my VII for a week but I've tuned a Frontier Edition and a 64 in other builds. This is what I've learned that I can pass along, there are probably some more masterful 56/64 owners that can add onto this but this would be a good starting point.


1.) get some baseline benchmarks on completely stock (Fire Strike, Time Spy, Superposition, etc.)
2.) Undervolt to lowest stable voltage for stock clocks and raise power limit to 50% and create a fan curve that gets to around 2500-2700 rpm a good bit before 80C. Keep in mind that these cards will not boost to their full P7 clocks and maintain them. However, the closest you can get to them is by keeping the card as cool as possible by using the lowest voltage and a proper fan curve.
3.) And then just go ahead and maintain that 50% power limit with the more aggressive fan curve and inch the voltage up while taking the P6/P7 clocks up 25 or so on both (these should remain staggered, with P6 lower than P7 as it is a phased clock). Then once you get closer to 1500/1580 on P6/P7 drop it down to like 10 between each test. Test memory by clocking it up about 10 each time once you have FULLY stabilized core clocks.



Note: Save any power play tables or bios flashing until you get water since you'll most likely hit thermal throttling at a point. Make sure to validate each level of overclock (jump in volts/frequency) with performance since the P7 clock can vary if you get to a point of diminishing returns with too high of voltage/heat.


Hopefully, this helps, it might be a bit scatterbrained though. But, to answer your question about performance: https://www.gamersnexus.net/guides/3...modded-vega-56


Vega are great overclockers and people should only be buying them if they intend to overclock them since that's where they really shine the most.
So there are some good BIOS tools? Cause I plan to go balls to the wall on power limits. I've got a 500 (or is it 600) watt BIOS on mu Fury's. I plan to do something similar with the Vega with a full cover block I don't think thermals will be a concern. So max power and max volts. Because this is overclock.net! With my rig the way it is, it's going to be plumbed into my rig straight away. Which means my stock results will be with better thermals from a block.

I hope to hit 1700MHz core. Reasonable goal? How do the guys under custom loops fair with their Vega's?

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post #7378 of 7682 (permalink) Old 03-06-2019, 05:59 AM
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There are no Bios mods as of yet. Only Bios you can even flash is the Liquid cooled versions since custom Bios will not boot on Vega.

If you decide to flash a liquid Bios onto your "reference" Vega 64 it will up the power limit, up max core voltage to 1.25v, but also lowers the throttling temp a little. (Don't remember what temperature exactly)


I personally have a Vega 64 reference flashed with Liquid Bios. It's not a very good overclocker or undervolter. Max overclock on core is 1760 at 1.25v but I can undervolt to 1.23v at 1750.


Very rarely do I see max clocks. Only game I currently play that hits max clock and sometimes a little faster is Forza Horizon 4. In that game it will fluctuate from 1720-1760. Timespy and Valley benchmarks will also hit 1750mhz and pass with ease.

I'd you need more than +50% power limit you can play with the power play tables mods to up the power limit a bit more.

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post #7379 of 7682 (permalink) Old 03-06-2019, 10:29 AM
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Quote: Originally Posted by sinnedone View Post
There are no Bios mods as of yet. Only Bios you can even flash is the Liquid cooled versions since custom Bios will not boot on Vega.

If you decide to flash a liquid Bios onto your "reference" Vega 64 it will up the power limit, up max core voltage to 1.25v, but also lowers the throttling temp a little. (Don't remember what temperature exactly)


I personally have a Vega 64 reference flashed with Liquid Bios. It's not a very good overclocker or undervolter. Max overclock on core is 1760 at 1.25v but I can undervolt to 1.23v at 1750.


Very rarely do I see max clocks. Only game I currently play that hits max clock and sometimes a little faster is Forza Horizon 4. In that game it will fluctuate from 1720-1760. Timespy and Valley benchmarks will also hit 1750mhz and pass with ease.

I'd you need more than +50% power limit you can play with the power play tables mods to up the power limit a bit more.

Are you actually on water with the 64? Or are you just running the water BIOS on air?

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post #7380 of 7682 (permalink) Old 03-06-2019, 10:54 AM
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Quote: Originally Posted by sinnedone View Post
There are no Bios mods as of yet. Only Bios you can even flash is the Liquid cooled versions since custom Bios will not boot on Vega.

If you decide to flash a liquid Bios onto your "reference" Vega 64 it will up the power limit, up max core voltage to 1.25v, but also lowers the throttling temp a little. (Don't remember what temperature exactly)


I personally have a Vega 64 reference flashed with Liquid Bios. It's not a very good overclocker or undervolter. Max overclock on core is 1760 at 1.25v but I can undervolt to 1.23v at 1750.


Very rarely do I see max clocks. Only game I currently play that hits max clock and sometimes a little faster is Forza Horizon 4. In that game it will fluctuate from 1720-1760. Timespy and Valley benchmarks will also hit 1750mhz and pass with ease.

I'd you need more than +50% power limit you can play with the power play tables mods to up the power limit a bit more.
First you have to understand that Vega 10/20 cards are advertised to run at their second highest power state all the time while the "peak boost" is their highest power state which is 1750Mhz on the Vega 64. The throttling temp is 65C on the liquid bios. The LC bios advertised speed is 1668Mhz so if you are getting higher than 1668Mhz than you are exceeding the advertised frequency.

I've only found 1 way to bug it to run P7 all the time without fluctuations and the performance gain is massive and it's only temporary. The reason the cards can't run at P7 all the time is since they will use 364w all the time even when undervolted which the AIO wasn't designed for. As you can see from my video the card is running at 1800Mhz @ 1.25v with a single 360mm rad and it's at 46c with the Gentle Typhoon fans @ 2250RPM. Same goes for the Air cooled version, it wasn't designed to run at 330w all the time.

https://hwbot.org/submission/4071522...64_5503_points
https://www.3dmark.com/fs/18270986


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Logitech G600
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Alugraphics GamerArt
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Definitive Technology Incline
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SMSL M8A
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Last edited by WannaBeOCer; 03-06-2019 at 12:56 PM.
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