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[Official] NVIDIA GTX 780 Owner's Club - Page 1809

post #18081 of 24915
Quote:
Originally Posted by pez View Post

Interesting read! Thank you, sir.

Also, just to put my mind at ease, regarding having/needing to up that % slider; does that mean something is possibly wrong somewhere in my system? Such as MB not providing enough power at the PCIe slot, or the PSU possibly going/on the fritz.

Also, should I go straight for 106%, or inch it up one by one?

It shouldn't be any of those things. The power slider basically tells the card how much it can draw not how much it will draw. I would try getting off the 334 driver set first though.
Edited by skupples - 3/7/14 at 6:28am
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post #18082 of 24915
New owner of a EVGA GTX 780 SC here, along with a whole new system. May I ask what seems to be the most common Overclocking potential of these cards? I was tempted to return and exchange the SC for the Classy, but I wasn't sure if the price difference was worth it or not.

I had gotten the Core to +100 and Mem to +500 without adjusting voltage and it seemed to like it, or so I thought. As I was playing Planetside 2 the game froze on me, I alt tabbed and went back and it was running fine, but then it froze again, so I set the card back to default on Precision X and it was ok after that. Then I was playing EverQuest Next Landmark this morning without OC and the drivers crashed, so I was wondering why that would be. Im on the latest drivers too.
post #18083 of 24915
Quote:
Originally Posted by Zubei View Post

New owner of a EVGA GTX 780 SC here, along with a whole new system. May I ask what seems to be the most common Overclocking potential of these cards? I was tempted to return and exchange the SC for the Classy, but I wasn't sure if the price difference was worth it or not.

I had gotten the Core to +100 and Mem to +500 without adjusting voltage and it seemed to like it, or so I thought. As I was playing Planetside 2 the game froze on me, I alt tabbed and went back and it was running fine, but then it froze again, so I set the card back to default on Precision X and it was ok after that. Then I was playing EverQuest Next Landmark this morning without OC and the drivers crashed, so I was wondering why that would be. Im on the latest drivers too.

I've got a SC (with ACX cooler) and so far I have +83 on the core with +38mv (giving me essentially +121 on the core at 1.2v). It boosts to 1215mhz, and is rock solid, can play Crysis 3 and BF4 all day, as well as Firestrike. Got Firestrike to run 1215mhz and 7000 (+500) on the memory but haven't tested memory in games yet, I just went up in stages for Firestrike at this point.

That's obviously with the stock BIOS. When I tried putting the core up to +90, it kept bouncing back off the power limit and seemed to actually reduce my clocks, the overlay would stay at 1215 most of the time in Crysis 3 at +83, but would often be at 1189-1202 when pushed to +90.

I had hoped for more, but I think 1200+ is a good target for a 780 that isnt a classy/lightning on stock bios.
    
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post #18084 of 24915
thumb.gif Thank you for the reply, ill try setting it lower and increase the voltage and see how it goes. Do you think exchanging for a classy at a price difference of about 60 is worth it?

Also, while using the 3DMark demo to bench, on the first demo, with the ships flying around a really loud and annoying squeal would come from my machine, which would increase and decrease pitch as various things happened on my screen. What the heck could cause that?
post #18085 of 24915
Quote:
Originally Posted by Zubei View Post

thumb.gif Thank you for the reply, ill try setting it lower and increase the voltage and see how it goes. Do you think exchanging for a classy at a price difference of about 60 is worth it?

Also, while using the 3DMark demo to bench, on the first demo, with the ships flying around a really loud and annoying squeal would come from my machine, which would increase and decrease pitch as various things happened on my screen. What the heck could cause that?

Unless you are using a 120-144hz screen and can't get those frame rates in your chosen games I wouldn't bother upgrading personally. People on here will tell you to upgrade for the power, which is a perfectly valid reason, but depends on what you want.

If you want more power, get a Classy and put one of Skynets bios on the second bios chip. If you're like me and just want some extra performance at stock bios then stick with your SC.

As for the noise, I'd guess that its either a high fan profile, or you have some coil whine of some description, which is normal. Spend the extra 60 on a decent headset and you'll never hear it while you're gaming.

Edit: Some coil whine is acceptable, obviously I can't tell just how loud and annoying the noise your gpu is making, if its ridiculous then by all means send it back. Film it and upload it if you're not sure.
    
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post #18086 of 24915
Awesome, thanks. Ill stick with the SC and "maybe" do a step up in a few months. I have only gotten the insane Coil Whine during the first 3DMark demo. Never got it during FireStrike or Heaven. Occasionally during some games. Even my gf who was sitting on the couch watching tv was asking *** that noise was.
post #18087 of 24915
Quote:
Originally Posted by pez View Post

Interesting read! Thank you, sir.

Also, just to put my mind at ease, regarding having/needing to up that % slider; does that mean something is possibly wrong somewhere in my system? Such as MB not providing enough power at the PCIe slot, or the PSU possibly going/on the fritz.

Also, should I go straight for 106%, or inch it up one by one?

Just what "my partner in crime" Skupp says! tongue.gif
Only if you are having inexplicable shutdowns, bring the slider a bit down to see it if fixes it as sometimes the power draw shoots up and trips the OCP in the PSU! thumb.gif

Quote:
Originally Posted by Zubei View Post

New owner of a EVGA GTX 780 SC here, along with a whole new system. May I ask what seems to be the most common Overclocking potential of these cards? I was tempted to return and exchange the SC for the Classy, but I wasn't sure if the price difference was worth it or not.

I had gotten the Core to +100 and Mem to +500 without adjusting voltage and it seemed to like it, or so I thought. As I was playing Planetside 2 the game froze on me, I alt tabbed and went back and it was running fine, but then it froze again, so I set the card back to default on Precision X and it was ok after that. Then I was playing EverQuest Next Landmark this morning without OC and the drivers crashed, so I was wondering why that would be. Im on the latest drivers too.

Leave the memory at stock, Oc'ed it will bring you far less fps than the core! OC the core as far as you can go, then go for the memory but IMO its not worth it and its the second cause of freezes and crashes just behind not enough voltage! Mem Oc is good for benches but for games the gains are in the core not the memory! thumb.gif
(as you have no control over the memory voltage, high memory OC will diminish you core OC as its will draw more current away from the core!)
Quote:
Originally Posted by Zubei View Post

Awesome, thanks. Ill stick with the SC and "maybe" do a step up in a few months. I have only gotten the insane Coil Whine during the first 3DMark demo. Never got it during FireStrike or Heaven. Occasionally during some games. Even my gf who was sitting on the couch watching tv was asking *** that noise was.

For $60 you give the Classy a pass? You give up "free" voltage control up to 1,350V? and better VRM section? Really?
+1300mhz doesnt sound nice to you? biggrin.gif
Come on man get the deal!!!!! tongue.gif

My article on coil whine:

"Coil whine is mechanical resonance of the coil with the frequency of the signal passing through it. Physically, a coil is just loops of wire, sometimes with a core other than air. If the frequency of the signal is in resonance with the physical wires of the coil, the coil may vibrate.
There are many electrical parts/circuits which can cause whining noises, so don't just assume you are hearing coils. Annoying buzzing/electrical sound(s) are unlikely to emanate from a coil - you have something else making noise. Whining is caused by a part (or parts) physically vibrating.
Unto itself, voltage is not going to cause a whining sound. Voltage is electrical potential (actually, EMF); current through a device is dependent on the voltage across it. With a GPU, changing the voltage probably changes the operating frequency of various components within the chip and through the VRM sections, however something is probably in resonance with the signal! thumb.gif
"

Get some thermal pads on the inductors, it will lessen the coil whine! smile.gif



In red and yellow


Cheers

Ed

(Team skyn3t)
Edited by OccamRazor - 3/7/14 at 8:57am
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post #18088 of 24915
Lol, damn. You got me second guessing. I bought all of my parts at Microcenter in Boston. I wasnt even going to buy everything there but I got a pretty good deal on everything. Cost just over 1400 for my setup. The 780 SC w/ACX was 540. The Classified is $600, both with mail in rebates bringing it down $20 or so. Is it really worth the extra cash? I can drive to Microcenter in about 25 min.
post #18089 of 24915
Quote:
Originally Posted by Zubei View Post

Lol, damn. You got me second guessing. I bought all of my parts at Microcenter in Boston. I wasnt even going to buy everything there but I got a pretty good deal on everything. Cost just over 1400 for my setup. The 780 SC w/ACX was 540. The Classified is $600, both with mail in rebates bringing it down $20 or so. Is it really worth the extra cash? I can drive to Microcenter in about 25 min.

Oh, when you said '60' I had assumed you meant £, didn't expect Americans to be on this time of day.

£60 is $100
$60 is £35.

For $60 I'd go for it, the difference is far greater here in the UK from most places. Occam knows far more than I do, but get whichever fufills your needs, if you're not going to push the extra voltage and OC's, its still wasted money.
    
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post #18090 of 24915
Yea, thanks. I may try to exchange it over the weekend just to have it last me a bit longer in the long run then. Plus, it'll give me a reason to go back and try to get some of the free games I was supposed to get when I bought all my parts since they had run out. lol
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