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post #951 of 4363
Quote:
Originally Posted by Hequaqua View Post

Well....I made it through 3 out of the 4 so far. I can't get through Time Spy. I had one black screen, then a couple of Wattman crashing

That is really interesting.

Also, yes, you clocked things like I wanted on your other message. If you weren't receiving memory errors at 2100MHz with that RAM, then you are 100% experiencing the same bug as me - which means leave memory clocks, and voltages, at default until the next driver.

Is Time Spy the only thing you can't run through?
post #952 of 4363
You may need to pump your lower p-state voltages if you get crashes where throttling is happening. Try adding 5-10mv across the board below state #7.
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post #953 of 4363
Quote:
Originally Posted by KarathKasun View Post

You may need to pump your lower p-state voltages if you get crashes where throttling is happening. Try adding 5-10mv across the board below state #7.

I have done that...just enough between the lower ones.
Quote:
Originally Posted by looncraz View Post

That is really interesting.

Also, yes, you clocked things like I wanted on your other message. If you weren't receiving memory errors at 2100MHz with that RAM, then you are 100% experiencing the same bug as me - which means leave memory clocks, and voltages, at default until the next driver.

Is Time Spy the only thing you can't run through?

I made it through TIme Spy. I put +50 on the power limit.

As for the memory. Take a look(1270/1900):
http://www.3dmark.com/spy/359496
Edited by Hequaqua - 8/28/16 at 11:17pm
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post #954 of 4363
So it seems like the memory overclock isn't resulting in tangible performance gains. From what I have read, the hinix memory on both the 4gb 470/480 switch over too much looser timings past 1750 mhz on the mem. I think the increased latency might actually not be worth the extra mhz, at least up until a point. When I get home ill runs some benchs on my 470 too see for sure when I get home.
post #955 of 4363
Quote:
Originally Posted by looncraz View Post

From what I can ascertain the AMD driver doesn't actually allow over-volting, only setting clocks up to the voltage set in the BIOS. So AIBs are setting higher default voltages, which makes their cards more clockable.

I've pushed 1.275V into my GPU (RX 480) and gained a whole 10Mhz over 1.15V, so I'm stuck at 1385Mhz being the highest playable GPU clockspeed. Only 1350 with 2150MHz RAM and 1.15V.

My RX 470 overclocking got me nowhere, performance-wise, as the card was so horribly bottlenecked and memory clocks would not take.

Does your 470 have the 1750 MHz memory or the 1650 ?
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post #956 of 4363
Thread Starter 
Quote:
Originally Posted by gipjoe View Post

So it seems like the memory overclock isn't resulting in tangible performance gains. From what I have read, the hinix memory on both the 4gb 470/480 switch over too much looser timings past 1750 mhz on the mem. I think the increased latency might actually not be worth the extra mhz, at least up until a point. When I get home ill runs some benchs on my 470 too see for sure when I get home.

Unless it's a massive difference in latency ram benefits more from clock speed than timings and actually latency decreases as speed increases even with looser timings (want always the case at lower speeds in the past)

Latency in NS is (cas/real clock)*1000

I.E 1866mhz ram is always slower than 2600mhz ram (unless 2600mhz had obnoxious timings)

In short, more mhz always worth it

My cas 9 1600 kit can do 2400 cas 13 and the latency improved along with bandwidth
Edited by Echoa - 8/29/16 at 2:27am
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post #957 of 4363
Quote:
Originally Posted by Hequaqua View Post

I made it through TIme Spy. I put +50 on the power limit.

As for the memory. Take a look(1270/1900):
http://www.3dmark.com/spy/359496

You seem to not be benefiting from higher memory clocks (they seem to be hurting you, even).

I started this thread for the issue, but people seem to be having difficulty understanding what I'm looking for. I charted the performance with different memory settings:

http://www.overclock.net/t/1609366/amd-16-8-1-16-8-2-memory-clocks-not-working

This is a driver issue, not a memory timing issue, as I have the same issue with he RX 470 & RX 480 with the August drivers.

This is why I want you to set your maximum memory clocks and let me know if HWInfo is showing any memory errors. It's critical that I know this, because I need to inform AMD of this issue so it gets fixed (in case they aren't aware).
post #958 of 4363
I don't know if your saw, but TheStilt just added 470 support to embd. http://www.overclock.net/t/1604567/polaris-bios-mod-rx480/480#post_25475669.

With this +50 power limit is actually +100. Not sure if it's just for reference 470 or not. Since there isn't really a reference 470 sold in any quantity I don't know. 1.1 r2 has been really helpful to me. Haven't tried this one yet.
post #959 of 4363
Quote:
Originally Posted by slavovid View Post

Does your 470 have the 1750 MHz memory or the 1650 ?

Is 1650Mhz memory even a thing?

Mine had 1750MHz memory, but I had to RMA the card due to a few no-video on boot and video loss situations that couldn't be tracked to the driver.

I then lucked out and paid only $17 more for an XFX 8GB RX 480 GTR, which was an easy decision.
post #960 of 4363
Quote:
Originally Posted by looncraz View Post

Is 1650Mhz memory even a thing?

Mine had 1750MHz memory, but I had to RMA the card due to a few no-video on boot and video loss situations that couldn't be tracked to the driver.

I then lucked out and paid only $17 more for an XFX 8GB RX 480 GTR, which was an easy decision.
Review that XFX GTR card, show us the temperatures on game loads, fan speeds, etc.
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