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The RX Vega 64 Owners Thread

Ran a few Timespy benches last night and this morning after updating to 17.9.3. I don't seem to be able to push the clock beyond 1752 and get a stable bench where before I could go up to 1777 although I didn't see any significant gains to the scores at the higher clocks. The best scores I have achieved where on the 17.8.2 drivers which seem to allow me to under volt a bit more than all drivers since. I don't have the time or motivation to test extensively but the best results of 5 tests I ran came at 1702 and 1752 frequency and 1125 and 1225 voltage in states 6 & 7, 1075 HBM and +50% power. This gave me a graphics score of 8032 but I got higher than this twice on 17.9.1 and a few times on 17.8.2.
 
@AMDMatt - Just curious but is the board power of 345w on the liquid cooled V64 available on the air cooled model as well if we just say swapped out the air cooler for a waterblock and maybe flicked the bios switch ?

Just curious if I could get the same performance as the AIO V64 by simply putting a waterblock on my air cooled V64.
 
Dicehunter said:
@AMDMatt - Just curious but is the board power of 345w on the liquid cooled V64 available on the air cooled model as well if we just say swapped out the air cooler for a waterblock and maybe flicked the bios switch ?

Just curious if I could get the same performance as the AIO V64 by simply putting a waterblock on my air cooled V64.
Click to expand...
Flash it with the MSI 8774 LC BIOS (not the powercolor one) and put it under water. All depends on your card in the end.
 
Dicehunter said:
@AMDMatt - Just curious but is the board power of 345w on the liquid cooled V64 available on the air cooled model as well if we just say swapped out the air cooler for a waterblock and maybe flicked the bios switch ?

Just curious if I could get the same performance as the AIO V64 by simply putting a waterblock on my air cooled V64.
Click to expand...
No, second bios has a lower TDP so best to stick with the first.
 
Dicehunter said:
@AMDMatt - Just curious but is the board power of 345w on the liquid cooled V64 available on the air cooled model as well if we just say swapped out the air cooler for a waterblock and maybe flicked the bios switch ?

Just curious if I could get the same performance as the AIO V64 by simply putting a waterblock on my air cooled V64.
Click to expand...

It'll be interesting to see whether it does make a difference when comparing a V64 WC card against a V64 blower card with an AIO on it. I'd bet on the C1 blower chip as it stands to reason that the newer revision chip in the reference blower cards will be improved in some way.
 
The chip revision appears to be stored in the BIOS and a flashed AC goes from C1 to C0 (well, my one did anyway).

Edit: Slow going getting my Eiswolf integrated. I got it and a Bitspower reservoir (for easier top-ups/refills if needed) hooked together and leak tested so far.

Time/eyesight and other things are slowing me down. Hoping I can get it done on Thursday, I may skip separate (like for like comparison) testing and just put it all together in a final config.
 
;)

Edit: 17.10.1 is out. One of the "issues" looks like a useful feature to me - at the moment:

  • Unstable Radeon WattMan profiles may not be restored to default after a system hang. A workaround is to launch Radeon WattMan after reboot and restore settings to default.
 
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henson0115 said:
thanks for the info, doesn't sound good on alphacools part to be fair, think il give it a miss in that case; if the support was there they i might of brought one.
Click to expand...
I know this is a late reply, but i just wanted to say that if you're getting one then just be careful, i might have been a bit hasty running tests. Since temperatures were fluctuating a lot in windows then i probably shouldn't have run a test on it, then again i didn't realise it could kill my card so quickly. Shutdown when thermals are too high are supposed to be there to save it. Fat lot of good that did. If it works to begin with i think i might still be worried that when/if the pump fails at some point, then possibly say bye bye to your GPU?

If the blocks were transparent i think it might be better, then you could check if any air is stuck in the middle, the way they are now there's no way to tell if there is any air in there, unless you get a res and fiddle around a bit.
 
Soo anyone else having strange utilization issues with Vega 64 ?, It's like i'm being bottlenecked but it can't be the issue cause i'm using an i7 4790k with boost to 4.4 enabled. Here's an example in witcher 3 in the middle of novigrad my fps sits around 72-85. And 100fps in the wild this is at max settings no hairworks at 1080p, Looking at other benchmarks this is very incorrect. I have this issue in other games aswell like in the star wars battlefront 2 beta, my card in open areas act's weaker than a vega 56 like the strike map in the jungle i sit at 69-80fps at 1440p and 75-90 1080p but in the throne-room map it shows normal fps ranges like 105-119 at 1440p and 140-180fps at 1080p. Strangely the memory clock and core clock are fine and sit at around 1600 and 945 like one would expect but the cards utilization just jumps around 89-98%.
Also somehow i'm missing the HBCC memory segment option in all the drivers you can use for the RX vega, One more thing this is also with +50% power limit and the fan curve at 90% to stop any thermal throttling.
Any suggestions ? I'm quite at my limit since i've had nothing but issues since buying a vega 64.
 
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iamcll said:
Soo anyone else having strange utilization issues with Vega 64 ?, It's like i'm being bottlenecked but it can't be the issue cause i'm using an i7 4790k with boost to 4.4 enabled. Here's an example in witcher 3 in the middle of novigrad my fps sits around 72-85. And 100fps in the wild this is at max settings no hairworks at 1080p, Looking at other benchmarks this is very incorrect. I have this issue in other games aswell like in the star wars battlefront 2 beta, my card in open areas act's weaker than a vega 56 like the strike map in the jungle i sit at 69-80fps at 1440p and 75-90 1080p but in the throne-room map it shows normal fps ranges like 105-119 at 1440p and 140-180fps at 1080p. Strangely the memory clock and core clock are fine and sit at around 1600 and 945 like one would expect but the cards utilization just jumps around 89-98%.
Also somehow i'm missing the HBCC memory segment option in all the drivers you can use for the RX vega, One more thing this is also with +50% power limit and the fan curve at 90% to stop any thermal throttling.
Any suggestions ? I'm quite at my limit since i've had nothing but issues since buying a vega 64.
Click to expand...
If you are running stock voltages you are likely thermal/power throttling.

For instance I'm running:
P7 - 1752MHz - 950mv
P6 - 1667MHz - 900mv
HBM - 1050MHz - 900mv
Temps - 70 Max - 65 Target
Power between +10% and +25%

I did flash to the MSI LC BIOS hence the lower temp targets, but I get a consistent ~1600MHz in games and due to the ambients here I have to run the fan quite high. I also use clockblocker to prevent P state drops down to P5 as the card can get stuck there due to the higher mv setting.

Test to find out your lower mv limits as mine are apparently quite low and then adjust Core MHz down until you stop seeing the Core fluctuating in tests like Superposition. I generally run Afterburner too so I can keep an eye on what the Core is doing in games to see if there's thermal/power throttling occurring.
 
Perfect_Chaos said:
I know this is a late reply, but i just wanted to say that if you're getting one then just be careful, i might have been a bit hasty running tests. Since temperatures were fluctuating a lot in windows then i probably shouldn't have run a test on it, then again i didn't realise it could kill my card so quickly. Shutdown when thermals are too high are supposed to be there to save it. Fat lot of good that did. If it works to begin with i think i might still be worried that when/if the pump fails at some point, then possibly say bye bye to your GPU?

If the blocks were transparent i think it might be better, then you could check if any air is stuck in the middle, the way they are now there's no way to tell if there is any air in there, unless you get a res and fiddle around a bit.
Click to expand...
you wanna be pushing alphacool to do something about the card mate, air cant be helped but at the same time you cant sell something not fit for purpose. in this case small claims may be required, might be tricky them being German based..
 
Nemesis.ie said:
Likewise, if HBCC is missing, do a clean install. That happened to me once too and an (AMD) clean install sorted it out.
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Yeah no i've clean uninstalled and installed all versions of the RX drivers over 20 times at this point and that option is still missing, Frankly starting to think my card is ******. Not working with the drivers like it should or something, As i have loads of other issues aswell.
Also TriX i tried the undervolting thing to no avail the performance stays the same in the heavy areas but slightly worse in the better ones, Any other suggestions ?
 
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