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Vega 64 Stability Issues

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post #31 of 32 (permalink) Old 04-14-2019, 08:15 PM
sudo apt install sl
 
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Quote: Originally Posted by RedBlueHue4 View Post
Do I need to raise my power limit to 50% just to get stable gameplay on a $500 graphics card that boasts features of power saving like radeon chill (radeon chill not on just saying)? no I have not because I just want to know the card should work without me messing with things.
this is on my friends system that's "running better" by far that my 2700x.


Valley 1080p test just cause. is this normal?
https://imgur.com/a/DNO0vZK

Valley 2k Benchmark
https://imgur.com/a/S0rCOgL


Heaven 2k benchmark test0000000000000000000000000000000000
https://imgur.com/a/vdnw4FD

things look better in those benchmarks, but still usage is dropping alongside power draw... corsair rmx850 gold psu in this system

in mine, I have a 1250w platinum PSU through g.skill the same gpu usage spikes occur during power draw changes also, but worse. there's no way both PSU are at fault. Especially when the 1060 normally in this ^ system works fine.
I asked about the 50% power limit since you said there was a 200Mhz difference between the two machines.

Those results are normal for games. Games won't run the GPU at 100% all the time. That's why I asked multiple times for you to list the name of the software that you are having trouble with. If you want to actually test to see if anything is wrong with your GPU run the GPU-Z Render test, LuxMark or FurMark which will actually put a 100% load on the GPU without dropping.

The 1080p result is accurate since the resolution decreases, less strain is placed on the GPU because there are fewer pixels to render.

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post #32 of 32 (permalink) Old 04-15-2019, 09:15 AM
More Vcore
 
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Those benchmarks look normal to me. I see sustained clocks that are in the range that card should be operating in. Load up a benchmark that allows you to pause a scene, and let the system run so that no dips occur due to scene changes and then watch for dips. When they occur, see if they happen at the same time as your CPU downclocking. If you disable the auto turbo features and lock voltage and core speed properly in BIOS, you cpu should never downclock. Use software like HWinfo to monitor per core clocks and voltages.

EDIT: Here is an issue with a faulty Vega 64 reference card where it could not even hit boost clocks and maintain them. This was with another OCN member. This issue was severe and he ended up with a replacement card after a fast RMA. If you truly believe it is a hardware issue, then RMA the card.


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Last edited by The EX1; 04-15-2019 at 09:23 AM.
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