Gigabyte g1 4gb r9 380 problem

[Onix28]

Hello,

I have r9 380 and when I play games it doesn't reach stock max speed 990mhz when leaving tdp at default. When I up it by 20% it is almost always at 990 mhz. My PSU is 650 watt gigabyte greenmax plus. Is this normal? When tdp at +0 it usually fluctuates from 930 to 970 mhz. I find it strange that my gpu can't maintain full speed clock(stock, no overclock) at default tdp settings. Thanks for help in advance! Oh and one more question, is 990 mhz clock that is gigabyte version clock boost or base clock?

 

[P4-630]

Do you have enough airflow in your case?
Did you check the GPU temperatures?

 

[Onix28]

Yes temps are ok, it goes up to 62 degrees celsius at max at 52% went speed.

 

[P4-630]

I have some older games that will not utilize the full speed of my card.
It depends what games you play.

 

[R00kie]

Your clocks depend on GPU load and temperature. What were you playing at that moment?

 

[Onix28]

I tested it in bf4, witcher 3, csgo, crysis 3, far cry 4 etc. It fluctuates from 920 to 970 mhz, maybe sometimes 980 mhz, but core clock is 990 mhz on this gpu, so it worries me what could be wrong. Only if I do that gpuz render test it stays at 990 mhz. Strange. If I raise tdp limit to +20% in CCC overdrive I get almost constant 990 mhz, so it must be some kind of tdp throttle...

 

[leftyman]

I had EXACTLY the same problem, throttling even at 55ºC or less with my g1 r9 380 crossfire (problem persisted with single GPU setup). I reported the problem to Gigabyte and they didn't do anything but blame the rest of my system.

I decided to flash de second gpu with the MSI gaming 380 4gb and it stopped throttling, obviously i run both cards with the MSI BIOS at the moment. I havent found any issues, but I only have tested DVI outputs...


regards.

 

[Aquinus]

This may not be a GPU problem, it could be a bottleneck somewhere else in your system such as CPU, memory bandwidth (single channel mode tends to kill performance in applications using more than 1, sometimes 2 threads,), memory capacity, or the width of the PCI-E bus if you put it in something like a 4x slot. It could even be streaming data from a slow hard disk.

With that said, could you post or fill out your system specs so we have a more complete picture for what's in your computer?

Another side note, when my 390 isn't needing to be pushed full throttle, when it drops below ~75% usage, GPU clocks start dropping as usage drops, so 50% load might have my GPU running at 700 or 800Mhz as opposed to the stock 1040Mhz or when I apply an overclock (1140Mhz,) to it. Newer AMD GPUs scale to usage pretty well unlike my older 6870s did.

 

[leftyman]

I do confirm it is a problem within this model BIOS, I own two cards...I flashed both of them with MSI BIOS, and throttling stopped. Graphical score went up from 17.300 to 18.000 after throttling stopped (Xfire score).

 

[medeeocrity]

@leftyman. Please give us/me information on how you flashed MSI BIOS to the Gigabyte R9 380 4GB. I already tried the GIGABYTE VGA Utility @bios software & atiflash 271 but they're both giving me error message.

I'm also experiencing the power throttle @ default 990Mhz boost CORE CLOCK on 0% power limit of gigabyte model, plus mine is also having 1425 Mhz MEMORY CLOCK instability which is the advertised speed of the G1 Gaming model.
I can only have stability in dying light, bf4, witcher 3 when i backed down the mem to 1375 & core to 970Mhz which is also ironic since these are the specification of a reference R9 380. TIA everyone.

 

[EntropyZ]

Moved this to my own thread. If anyone wants you can delete this post.