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Nvidia GTX 980 Owners Thread

So I've returned my 2x 970 G1 Gaming due to memory issue. Long story short, I'm going to go with 1x 980.

I can't decide between the G1 Gaming again, seems lot more money when it's on one card, or the KFA SOC which seems good value for money but a lot of you seem to be saying you're getting coil whine and high temps or any other suggestions? I may go SLI in future but for now I think I'm fine with whatever cooler if it comes with a recommendation from you all ;)
 
guitaristanime said:
So I've returned my 2x 970 G1 Gaming due to memory issue. Long story short, I'm going to go with 1x 980.

I can't decide between the G1 Gaming again, seems lot more money when it's on one card, or the KFA SOC which seems good value for money but a lot of you seem to be saying you're getting coil whine and high temps or any other suggestions? I may go SLI in future but for now I think I'm fine with whatever cooler if it comes with a recommendation from you all ;)
Click to expand...
If you're planning on SLI in the future, why not go with the Reference design? There's even the EVGA Superclocked if you feel you need the extra oomph.
 
I have the KFA2 soc and I have no coil whine and temperatures are as good as my msi gtx 970 and KFA2 970 I returned. I have been lucky if that's possible as a friend has had several 900 series cards littered with coil whine. Also I've found all bar a few drops in fps @1440p I don't need sli with a single 980. I'm very happy and don't need to mess with sli at all now.
 
I can't believe it's getting to 74C with the fans at 90% :o

And there is no Perf Cap in GPUZ that I can see in sensors and the card still throttles when it hits about 73/74C
 
Neil79 said:
I can't believe it's getting to 74C with the fans at 90% :o

And there is no Perf Cap in GPUZ that I can see in sensors and the card still throttles when it hits about 73/74C
Click to expand...

Run the installer from GPU Z, it's not present via the exe only.

Mine says something about vRel, which the techpower web site states is max GPU clock for a given voltage.

I'm happy enough as it's doing 1510 mhz on 1.2v.
 
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Awahwah said:
Run the installer from GPU Z, it's not present via the exe only.

Mine says something about vPref, which the techpower web site states is max GPU clock for a given voltage.

I'm happy enough as it's doing 1510 mhz on 1.2v.
Click to expand...

Bingo! So we pretty much have the same card issue :) Just needs more volts!

vRel = Reliability. Indicating perf is limited by reliability voltage.
VOp = Operating. Indicating perf is limited by max operating voltage.

Will knock the core down to 1510 and up the ram slightly, thanks :)
 
Hmm Core still dropping at 1510 down to 1490, so I'll try

CORE : 1490MHZ + 90
MEM : 4000MHZ + 440

Probably needs about 1.275v from the standard OC of 1.250v

Nope, still throttling due to volts! Happens in 3DMARK Jungle level and Under Water :(
 
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Performance will probably be very much the same.

Only reason the reference cooler is good is because it exhausts the hot air straight out the back of the case which is ideal for SLI setups.

I wouldn't consider my case having poor airflow (two 360mm radiators - one intake and one exhaust plus one extra 120mm intake) and my card happily mines away at around 70 degrees with the side panels on.

Excuse the mess, still need to sort the wires out

52z0cm.jpg
 
Neil79 said:
Power is fine, but yes it's voltage...

I've had this before with cards :) I'll take a look later this week

I'll not give up! This beast has more ooomph in it
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Might be TDP limited rather than voltage. What does your power target reach while benching?

My reference 980 is a power hog and needs a higher TDP to stop throttling back. My new Bios is 240w @ 1.25v and while running Fire Strike the power target still reaches mid to high 90's for 1506/3800. Can't wait to get it under water to see if it improves things.
 
Right this is my 980 SOC bios

http://s000.tinyupload.com/?file_id=83491657924439154991

It is bios version 84.04.1F.40.06

I'd probably not recommend flashing this to your SOC in case you have a newer/older bios however it's just so you can see what I changed on the Voltage and Power Table tabs.

Default memory clock is now 3800 (7600 effective) compared to 3500 (7000 effective)
Power limit has been raised and now defaults at 250000 with a max of 290000
Voltages were tweaked slightly at the top (although whether this does anything as Maxwell is a PITA for voltage increases, I will check with a multimeter later)

This removes the GPUz Perfcap limits and still down clocks the card when not in use, although due to the way the boost table on this card is, the down clock isn't as low as the stock bios.

If you make these tweaks and flash your card remember to reset any GPU clocking software like Afterburner to defaults! With the extra power the card has now it will automatically go to it's maximum boost in the bios when gaming which is 1493 (check the boost table tab). So before you may of needed +150 on the core, now you will only need +50

Also make a backup of your bios and only mess around with the bios if you know what you are doing. I won't be held responsible etc. :)
 
JamesM said:
Right this is my 980 SOC bios

http://s000.tinyupload.com/?file_id=83491657924439154991

It is bios version 84.04.1F.40.06

I'd probably not recommend flashing this to your SOC in case you have a newer/older bios however it's just so you can see what I changed on the Voltage and Power Table tabs.

Default memory clock is now 3800 (7600 effective) compared to 3500 (7000 effective)
Power limit has been raised and now defaults at 250000 with a max of 290000
Voltages were tweaked slightly at the top (although whether this does anything as Maxwell is a PITA for voltage increases, I will check with a multimeter later)

This removes the GPUz Perfcap limits and still down clocks the card when not in use, although due to the way the boost table on this card is, the down clock isn't as low as the stock bios.

If you make these tweaks and flash your card remember to reset any GPU clocking software like Afterburner to defaults! With the extra power the card has now it will automatically go to it's maximum boost in the bios when gaming which is 1493 (check the boost table tab). So before you may of needed +150 on the core, now you will only need +50

Also make a backup of your bios and only mess around with the bios if you know what you are doing. I won't be held responsible etc. :)
Click to expand...

Thanks, and good job.
 
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