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[Official] Nvidia GTX 980 Ti Owners Club - Page 1343

post #13421 of 16235
@mus1mus i have the same "setup" here. A/C is blowing right down on my systems, if i crank it up to high i can get around 10c ambient around my desk. its quite nice for overclocking. thumb.gif
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post #13422 of 16235
you guys are lucky. both times i took my rig outside where it was ~3C.
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post #13423 of 16235
Doesnt work!

I tried everything 1.256mv after 52 clk, and nothing. The voltage still locked in max 1.240mv.

frown.gif
post #13424 of 16235
Quote:
Originally Posted by thebaltar View Post

Doesnt work!

I tried everything 1.256mv after 52 clk, and nothing. The voltage still locked in max 1.240mv.

frown.gif

Look for a tool called NVVDD. you will need the specific one for your card, so look for a thread for your particular EVGA model. More voltage doesn't mean better overclock, for me stock voltage is the best, too low crash, too high crash
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post #13425 of 16235
There isnt a voltage tool made for every card. Basically just the higher end extreme overclocking cards...ie: classy/kpe, matrix, hof, etc.

Lower end cards are pretty much limited to what you can set via bios, unless you hard mod it.
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Main System
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CPUMotherboardGraphicsRAM
i7 5820k Gigabyte x99 SOC-Champion GTX 970 SSC HyperX Savage DDR4 2400 4x8GB 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512GB M.2 Samsung 850 evo 500GB  WD Black 2TB Be Quiet! Dark Rock Pro 3 
OSPowerCase
Windows 10 pro 64bit EVGA SuperNOVA 1300 G2 Phanteks Enthoo evolv ATX 
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i7 6700k i3 6320 5960x Q6600 
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A6-5400k Asrock z170M OCF XFX 8600GTS Radeon HD5850 
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PNY 9500GT EVGA GTX970 SSC ACX2+ EVGA GTX980TI Classified EVGA GTX980TI Classified 
RAMRAMRAMRAM
4x4GB G.Skill Ripjaws 4 2400 DDR4 15-15-15-35-2... 2x8GB G.skill Ripkaws V 3200 DDR4 16-18-18-38-2... 2x4GB G.Skill Trident Z 4000 DDR4 19-21-21-41-2... 2x8GB G.skill Trident Z DDR4 3200 14-14-14-34-2... 
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2x2GB G.skill DDR2 1066 2x2GB G.skill Pi DDR2 1100 2x4GB Klevv Urbane DDR3 2800  Kingston 300v 
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Kingston 300v OCZ ARC100 Silicon power flashdrive  Silicon power flashdrive 
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EK Predator 360 AIO EK Predator 240 AIO windows 7 Pro 64-bit SP1 windows 10 32-bit 
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windows 10 Pro 64-bit windows 8.1 32-bit EVGA 1300 G2 EVBOT 
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post #13426 of 16235
The SC, SSC and FTW can all add voltage via custom bios. Most cards can, in fact. There are a limited few that can't.

That said, unless your temps are staying below 50c, it's not likely to do you any good. The cooler you keep them, the higher you'll be able to make them boost. So in some cases with air cooling, lowering the voltage actually sees an increase in potential core clock.
post #13427 of 16235
I still love Kepler for the fact they scale with Voltage better. Maxwell kinda removed that part. Most high overclockers you can find, 1600 region are really just exceptional bins to start with. Voltage is not their strong suite.

Even tried using a special NVVDD for the HOFs but naah, they only trip the cards faster due to OCP or to stay with the TDP envelope. Can't even net another 10MHz. Not without the hard mods I believe.
post #13428 of 16235
So how is it guys ? I'm having a dilemma....

My cards are locked to 1.21V - Asus strix 980Ti OC.

I'm thinking about hard volt mod, as I'm watercooling so temps are not an issue.

The important question is, will the cards(I have 2) scale with more volts ?
If I go from 1.21v to 1.3v can I expect more MHz ? I'm obviously not talking about 20MHz extra biggrin.gif ....hard volt mod is not worth it for 20MHz biggrin.gif

Please talk to me guys if you have experience with this...

Thanks! thumb.gif
Quote:
Originally Posted by mus1mus View Post

I still love Kepler for the fact they scale with Voltage better. Maxwell kinda removed that part. Most high overclockers you can find, 1600 region are really just exceptional bins to start with. Voltage is not their strong suite.

Even tried using a special NVVDD for the HOFs but naah, they only trip the cards faster due to OCP or to stay with the TDP envelope. Can't even net another 10MHz. Not without the hard mods I believe.

Hi man!
So I made my move to the Green team(from Ares III). Asus strix 980Ti OC. Both watercooled.
How to get the most of the card ? thumb.gif
Edited by fat4l - 6/15/16 at 10:37am
post #13429 of 16235
Guys, I know a really decent amount about overclocking and I could go on and on with explanations of my own methods thus far and what I've done to overclock my GPU, but I'm going to reset for a moment and just ask a rudimentary question to get a detailed response from someone else who knows very well what they're doing also to see if I get anywhere since I've been stuck for a while...

I have an eVGA SC+ 980 Ti that I am able to, on stock BIOS even, overclock stable to 1470 MHz, no problem. Anything over this crashes, so, what do I need to do to get closer to the 1600 mark? I've a 140mm Kraken x41 for cooling and at it's current overclock, it hovers around 55C under load, 59C in worst case scenarios.
post #13430 of 16235
Quote:
Originally Posted by thair7391 View Post

Guys, I know a really decent amount about overclocking and I could go on and on with explanations of my own methods thus far and what I've done to overclock my GPU, but I'm going to reset for a moment and just ask a rudimentary question to get a detailed response from someone else who knows very well what they're doing also to see if I get anywhere since I've been stuck for a while...

I have an eVGA SC+ 980 Ti that I am able to, on stock BIOS even, overclock stable to 1470 MHz, no problem. Anything over this crashes, so, what do I need to do to get closer to the 1600 mark? I've a 140mm Kraken x41 for cooling and at it's current overclock, it hovers around 55C under load, 59C in worst case scenarios.

1st things first....get it cooler. 55c isn't going to cut it. The cooler it runs, the higher it'll boost.

Then get yourself a custom bios, or you'll likely start hitting the power limit perf cap...and depending on temps, maybe add some voltage to see if it doesn't help. It won't though, if you can't keep the temps down....

G'luck
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