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post #991 of 4151
Well...the RX470 is boxed up!

I'm keeping it, but it's for my son's rig. He doesn't get it until Christmas. biggrin.gif

I ran about 14 different benchmarks. I ran each one twice. I didn't spend a lot of time trying to OC it, but it was pretty stable around 1300-1310mhz on the core. Since there seems to be a memory issue with the current driver, I didn't do much on that front.

I've put together a spreadsheet comparing the three cards I have. The link is at the bottom of the page. It has all the settings I used. Why is one run red? It was just so I could keep a better track of the ones I used for the charts. Some of them score higher in one place, but lower in another. I didn't want to cherry-pick. I have the charts if anyone would like them posted. I'm sure there may be a few mistakes.

Anyway.....

Bench settings:
Schwarzer Drache(Black Dragon). It's in my sig at the bottom.
CPU @ 4.0ghz
Fresh install of all drivers(DDU used) Crimson 16.8.2 nVidia 374.52
Stock core/memory/voltage settings on all cards
Power limit set to max for each card

Cards used:
Powercolor Red Devil RX470 4gb 1270/1750@1.150v max ($199.99 price I paid)
MSI GTX970 4g Gaming 3.5/4.0gb)<<<<<<<<sublte jab 1328/1750@1.225v($356.13 price I paid)(Second one was $313.99)
Sapphire R9 270x 4gb 1070/1400@1.225v (245.66 price I paid)

Tests(all tests were ran twice):
Time Spy(deafult of 1440p)
Firestrike
Valley
Heaven
The Division Ultra
The Division High
Metro 2033(5 each)(10 passes)
Last Light(3 each)(6 passes)
Final Fantasy XIV Heavensward
Catzilla
3DMark API Overhead 1.3
Batman:Arkham Knight
Starswarm DX11(3 minutes)
Starswarm Mantle
Firestirke Ultra Stress Test(40 loops total)
Time Spy(40 loops total)

My first attempt at a video comparison:
Powercolor RX470 v GTX970 v R9 270X

Spreadsheet:
RX470/GTX970/R9 270X Spreadsheet

If you spot a mistake.....oh well...lol
No really, I tried real hard to get the numbers right. As you can see there are quite a few. If you spot something PM me biggrin.gif

I know I won't have access to the card, but I'll still be keeping a eye on the thread. I want to says thanks to everyone that helped.

OCN thumb.gif
Edited by Hequaqua - 8/30/16 at 5:57pm
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post #992 of 4151
Quote:
Originally Posted by greytoad View Post

One other person was getting the same thing and had narrowed it down to his stock voltages on p0. He was on stock too. We can't directly edit p0 settings but we can fudge them. Not sure if that's what's wrong with your card. Just my 2 cents. it may be the ramp down to p0 needs a bit of a bump at p1 or p2. If this fixes it, you may need to rma your card anyway. you should be able to do stock settings.

I can't find the posts from the other user. I think it was in the BIOS mod thread but I can't remember. He was getting blank screens after several hours of idle speeds web browsing even with stock settings. Slightly different from your problem. I'm not suggesting you overclock your card. Just, this is the only way I know of to bump the voltage on p0.

edit: My suggestion. try an offset of 6.25 mvolts. subtract 6 mv from p7,p6,p5 so you don't hit your power limit any sooner and see if the issue goes away. If the issue goes away your card wasn't handling stock volts and your gpu needed a bump at one of the lower p states. In that case either live with the fix or rma the card. If it doesn't fix it. consider other software solutions such as uninstalling the driver. running DDU and reinstalling the driver.

my desktop has no problem and perfect as long as I turn on the xbox app DVR, look like more of a driver problem or windows 10 anniversary update issue.

Some people have the exact problem as me after anniversary update:
http://steamcommunity.com/app/730/discussions/0/361798516953715459/
http://steamcommunity.com/app/730/discussions/0/360672383117610037/
Edited by espn - 8/30/16 at 8:51pm
post #993 of 4151
Sorry. I just assumed it was the same blanking that other people were complaining about. I have nothing for that. I started thinking that my insane offset is bad for p0. I don't really need 912mv for 300mhz. I decided to try the unlocked air bios and asus tweak II. Man that did not work as expected. I couldn't set as fine a grain on the voltage for one. So I ended up with 1.24 and I set 1437mhz For memory I set 8840 which translates to 2212 I guess in asus math. I ran valley for a breif second. got way more fps than I normally do. but the screen flashed and I locked. This is really really close to my 24/7 overclock with my offset. It should have worked, but it gets worse. I rebooted and locked on the login screen. I had to boot to integrated video, clean the driver off. and flash back to stock to get back into windows. Now everything is fine, but I'm sticking with my offset until I can do a custom bios flash without having to enable test mode. I'll just go back to stock for web browsing and watching movies and apply my settings only for gaming. I just don't want to run 912mv on idle. It seems way too high for 300mhz.
post #994 of 4151
I changed to lower my offset and get the same voltage. (.5 mv different.)

My overclock still puts idle at 887.5.mv. I'll still go back to stock for netflix sessions I guess. Unless someone tells me it's perfectly fine to run 87mv higher than stock for only 300mh p0 speeds.

Weird how this worked but the asus utility wasn't stable at similar settings but I was getting 2fps higher in the opening scene that I should have for those settings. Makes me think something was reported incorrectly.

post #995 of 4151
Quote:
Originally Posted by JackCY View Post

New APIs don't need CF or SLI for mGPU but solely rely on developer support, which is likely to be poor/none due to time needed to invest into a config that 1% or less people actually use.

Yeah, I'd like to think mGPU/SLI/CF as dead.
Quote:
Originally Posted by JackCY View Post

AMD cards aren't future proof.

More so than nVidia, they are. All GCN GPUs are still completely relevant and can run any game using the latest APIs (with the right mix of settings). Contemporary nVidia cards can make no such claims. Prior to Pascal, DirectX 12 would experience no, or even negative, scaling. Now, it's either none or very little. An improvement, but still not great.
Quote:
Originally Posted by JackCY View Post

The Tahiti was better than 680/770 on launch but short in supply so many went with NV.

Tahiti lived on to be the R9 280, a mid-range card. The GTX 680 was the nVidia competition. They used the same power and had the same-ish performance when they were both on the market at the same time. Today, however, the R9 280 can be seen to be nearly TWICE as fast in modern games as the GTX 680 (Hitman comes to mind). That's what future proof means - the AMD cards still offer playable performance all these years later, nVidia cards do not - even if you buy their top cards.
Quote:
Originally Posted by JackCY View Post

[...]the 970/980 consumed a LOT less power for the same performance.

Yup, who would have ever imagined that a company would gimp their own hardware so thoroughly in an effort to reduce power consumption? Sure, not everyone needed the scheduler capabilities or compute capabilities, but it wasn't a decision that was likely. nVidia didn't engineer better efficiency, they stripped capabilities to gain it. With Pascal all they did was optimize for frequency and rely on the process for power savings. They haven't been doing any real innovation on the power efficiency front. AMD, however, has been. They haven't stripped the GPU or its capabilities in order to save power, they've found areas where power usage was higher than needed.. then squandered their gains by running too much default voltage nearly across the board... still don't what happened to their binning process improvements.
Quote:
Originally Posted by JackCY View Post

Fiji... I call it a technological marvel, nice but power hungry and only a step better than 390 series and not enough to pounce 980Ti/Titan.

Fiji easily bests the Titan, the 980Ti is just an overclocking beast. With its stripped hardware, it's also efficient. Of course, things change when DX12 or Vulkan are in play... and Fiji is seeing increasing performance month after month.
Quote:
Originally Posted by JackCY View Post

Now AMD has the 4xx which is in very short supply

Not anymore, no. RX 480 supply is keeping up with demand and has been in constant supply for the last week.
Quote:
Originally Posted by JackCY View Post

decent cards but again power hungry due to the architecture and needed die size/transistor count

Polaris is by no means power hungry. If you haven't noticed user tests, RX 480 can pull as little as ~130W at stock clocks with proper voltages (mine does!). Tweak the memory frequencies and you are knocking it with the GTX 1060 in both efficiency and performance. Not all cards are created equal, though. Some just won't go below 150W at stock clocks...

I will be doing a voltage scaling in regards to power consumption analysis very shortly - it's pretty insane how quickly power usage increases, even at idle, with increased voltage on these cards.
Quote:
Originally Posted by JackCY View Post

so a 480 goes against 1060 now unlike generations before it would be against 1070.

Yup, nVidia cranked up the clock speeds. Good for them. They probably aren't going to be able to pull off the same feat again. AMD has more engineers knowledgeable about high frequency computing - should they ever deploy them on the GPU front, nVidia will be unable to keep up.
Quote:
Originally Posted by JackCY View Post

The 1060 has no problem currently to run away a little even from the 480 8GB except in DX12/Vulkan games they tend to be neck to neck but then there goes the availability, price and OC ability none of which go in favor of AMD offerings frown.gif

We know a lot about how Polaris is bottlenecked. It could gain an easy 15~20% more performance with appropriate memory bandwidth... Vega will have that bandwidth, and more SPs, and even more updates. A Fiji-sized GCN4 GPU, running just two HB2 stacks, providing 512GB/s bandwidth, would match the 1080 in nearly every metric. Efficiency would be slightly worse due to inefficient CU performance scaling, but a 1.2GHz 64CU GCN4 GPU would match the GTX 1080.

Vega is NOT GCN4. It's updated tech. No idea what that really means, but it should mean that the smaller Vega chip will stomp all over the GTX 1080, quite possibly also in efficiency... and the Titan XP isn't all that far ahead in the grand scheme of things.

nVidia has been running their hardware much closer to their peak clocks and advertising lower frequencies so the overclocked frequencies look more impressive... but the reality is that the GTX 1060 and RX 480 overclock nearly the same, with a slight edge to the RX 480 (an overclock of 2.05Ghz on GTX 1060 is the same 1340MHz on RX 480).
Quote:
Originally Posted by JackCY View Post

The 1060 is memory bandwidth limited based on recent review investigating it, but, you can OC the VRAM high usually. 4xx isn't VRAM speed sensitive. The 1060 is sort of an inferior card hardware wise, yet, it is often faster... that 2GHz+ clock is all it's about with Pascal.


RX 480 scales nearly perfectly linearly with memory frequency. It is ABSURDLY bound by memory performance:



Anyone who says otherwise is just experiencing driver problems and may not even know it.

I've put hours of work into examining Polaris 10 in both RX 470 and RX 480 clothes. I have even created full curves of memory sensitivity in 200MHz increments from 600Mhz:



You can see that scaling only really stops with the 750MHz GPU and 1600MHz RAM. That would be 2.667GHz RAM clocks for 1250MHz... or 340GB/s. Meaning Polaris 10 needs 33% more bandwidth than it has for optimal performance. I haven't done the math, but I think it would be about 25% faster with that much bandwidth, with no increase in GPU clocks... and almost no change in power usage.
post #996 of 4151
Quote:
Originally Posted by greytoad View Post

I changed to lower my offset and get the same voltage. (.5 mv different.)

My overclock still puts idle at 887.5.mv. I'll still go back to stock for netflix sessions I guess. Unless someone tells me it's perfectly fine to run 87mv higher than stock for only 300mh p0 speeds.

Weird how this worked but the asus utility wasn't stable at similar settings but I was getting 2fps higher in the opening scene that I should have for those settings. Makes me think something was reported incorrectly.


Try running "Power Efficiency" mode. It would prevent the clock frequency jitter at idle. Some games hate it, but most seem to completely not care.
post #997 of 4151
Quote:
Originally Posted by looncraz View Post

Try running "Power Efficiency" mode. It would prevent the clock frequency jitter at idle. Some games hate it, but most seem to completely not care.

This doesn't help for my case, I tried.
Basically my RX460 only works with CSGO only with xbox app DVR on. Even I turn DVR on then sign off in xbox app, then CSGO starts with "press win+ ??? button" and that means xbox app DVR is running. As long as I turn off DVR or uninstall xbox app then black screen after CSGO go or alt+cltr+delete to desktop. If I uninstall xbox app then cannot fix it again even I install xbox app again, I did a fresh install windows 10 after trying this.
Edited by espn - 8/30/16 at 11:37pm
post #998 of 4151
hyy,
i want to undervolt the 470/480 in the bios (set an offset)


like This:
http://www.overclock.net/image/id/12261435/width/900/height/900/flags/LL

I have analyse the ROms with Hex Editor und AtomBioseditor and so an... i tryied some flashes.. but der is not working. ( add VDDC and VDDCI offset "inside" the rom with a HexEditor - but i dont exactly where in the ROM)

have someone the Solution? / tried it?



lg blue
post #999 of 4151
Hey.
Whats the difference between these two?

XFX Radeon RX 480 GTR Black Edition, 8192 MB GDDR5
XFX Radeon RX 480 GTR DD Edition, 8192 MB GDDR5

The store description shows no difference but the price (20 Euro difference)

edit:

Arctic Accelero Xtreme IV will that fit the RX480 Reference?
Edited by Gladi - 8/31/16 at 7:05am
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post #1000 of 4151
Thread Starter 
Quote:
Originally Posted by Gladi View Post

Hey.
Whats the difference between these two?

XFX Radeon RX 480 GTR Black Edition, 8192 MB GDDR5
XFX Radeon RX 480 GTR DD Edition, 8192 MB GDDR5

The store description shows no difference but the price (20 Euro difference)

edit:

Arctic Accelero Xtreme IV will that fit the RX480 Reference?

Probably just one has higher clock speed. The Accelero might need some slight modtification but should fit but isn't necessary to keep it cool and is way overkill.
Edited by Echoa - 8/31/16 at 8:02am
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