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[Official] Nvidia GTX 980 Ti Owners Club - Page 1368

post #13671 of 16231
Sooo i've got a used 980 ti g1 at a good price.

How on the edge i am with a Seasonic S12II 520W? It has 480W on the 12V.

I think i will be just fine,ref. 980 ti draws 250W that's like my 280X wich i used to overclock to 1.30V 1150 MHz and never had a problem,just want a second opinion.

Do i have to toy with bios or similar? All i want is to keep the VGA power consumption <300W with a boost of 1400 MHz rock solid is that possible? I don't even need that much power tbh my main monitor is still 1080p i plan to run DSR though. And some occasional gaming on my 4K TV.
post #13672 of 16231
Quote:
Originally Posted by GoLDii3 View Post

Sooo i've got a used 980 ti g1 at a good price.

How on the edge i am with a Seasonic S12II 520W? It has 480W on the 12V.

I think i will be just fine,ref. 980 ti draws 250W that's like my 280X wich i used to overclock to 1.30V 1150 MHz and never had a problem,just want a second opinion.

Do i have to toy with bios or similar? All i want is to keep the VGA power consumption <300W with a boost of 1400 MHz rock solid is that possible? I don't even need that much power tbh my main monitor is still 1080p i plan to run DSR though. And some occasional gaming on my 4K TV.

you're perfectly fine.

i ran BOTH prime95 and kombuster for peak 565 watts at the wall and using 89% efficiency of my PSU (got that from reviews) would be ~503 watts.

just prime was 184 @wall (163 watts @ 88%) and just kombuster was 477 watts @ wall (~430 watts @ 90%).

gaming was around 325 watts but forgot which game(s). sorry redface.gif

CPU - i7-2600K 4.6Ghz @1.3v
GPU 980TI 1430Mhz @1.25v ( i believe i set the power target to ~390 watts then but not sure - this was awhile ago and didn't note that)
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post #13673 of 16231
I don't want to overclock if i don't have to. I've looked at a lot of reviews and reference 980 ti is like 250W under load,is there anything im not aware of?

Are those cards severely power limited or something that you need minumum 700W with a custom bios?
post #13674 of 16231
I have a PNY 980 TI reference. Is 1400Mhz at 86 degrees load acceptable? Or should I tone it down.
     
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post #13675 of 16231
Quote:
Originally Posted by GoLDii3 View Post

I don't want to overclock if i don't have to. I've looked at a lot of reviews and reference 980 ti is like 250W under load,is there anything im not aware of?

Are those cards severely power limited or something that you need minumum 700W with a custom bios?

NO.

extract your bios via gpu-z and open it in MBT:

(mind you this is stock reference)
Warning: Spoiler! (Click to show)

those 12 entries are the power limits (first 3 pci-e slot, 6 pin, 8 pin and TOTAL)

no matter how much voltage you use, the maximum (set in AB or PX) is 275 watts it will throttle after that.. you have complete control over how much the card uses. thumb.gif
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post #13676 of 16231
If you actually hook up a kill-a-watt device you will see those numbers are drastically inflated.
post #13677 of 16231
Quote:
Originally Posted by superkyle1721 View Post

If you actually hook up a kill-a-watt device you will see those numbers are drastically inflated.

A 980ti and an i7 can easily pull 500 watts from the wall, and sometimes more, depending on how hard you're pushing the GPU / CPU overclocks and what you're doing...like benchmarking. I wouldn't go with anything less than a 650 for that setup, and most likely a 750...or more.
post #13678 of 16231
Quote:
Originally Posted by Vellinious View Post

Quote:
Originally Posted by superkyle1721 View Post

If you actually hook up a kill-a-watt device you will see those numbers are drastically inflated.

A 980ti and an i7 can easily pull 500 watts from the wall, and sometimes more, depending on how hard you're pushing the GPU / CPU overclocks and what you're doing...like benchmarking. I wouldn't go with anything less than a 650 for that setup, and most likely a 750...or more.
From the wall sure but then multiply that by the efficiency of the unit and you have the power needed to supply the components correct? A 700W power supply that is rated at 80% efficient would draw 840W from the wall. For a single 980ti he is fine.


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post #13679 of 16231
As long as he's not overclocking, I'd say he's fine. If he's going to push the overclocks, I think it's likely he'll pop the overcurrent protection. I wouldn't take a chance with it, but....I overclock.
post #13680 of 16231
Quote:
Originally Posted by Vellinious View Post

As long as he's not overclocking, I'd say he's fine. If he's going to push the overclocks, I think it's likely he'll pop the overcurrent protection. I wouldn't take a chance with it, but....I overclock.

For a single 980TI on a 700W power supply? No way. I dont care how much you OC you will not come close to 700W demand from the power supply. From the wall sure but that doesnt matter.
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