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[Official] NVIDIA GTX 780 Owner's Club - Page 1752

post #17511 of 24915
Guys I'm confused between this cards, they are all very close to same pricing ...

EVGA GTX 780 Classified
Gigabyte GTX 780 GHz Edition
Zotac GTX 780 AMP! Edition
or maybe nVidia reference GTX 780

Which card is more flexible card regarding better OC headroom and lower temp?
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post #17512 of 24915
Quote:
Originally Posted by boldenc View Post

Guys I'm confused between this cards, they are all very close to same pricing ...

EVGA GTX 780 Classified - custom card and better power management and overclock
Gigabyte GTX 780 GHz Edition - Customer cooler reference card with an overclock
Zotac GTX 780 AMP! Edition - Customer cooler reference card with an overclock
or maybe nVidia reference GTX 780

Which card is more flexible card regarding better OC headroom and lower temp?

For overclocking the Classified will give you the highest overclocks.
Cooling would be dependent on overclocking tongue.gif Otherwise at stock should be no issue, pretty similar for all cards. as in they all have customer coolers so should be better than stock.
Edited by Aparition - 2/10/14 at 12:47pm
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post #17513 of 24915
Can someone help me mod my bios so i can get past the 106% power limit? i can't find an appropriate bios in the op rolleyes.gif
Quote:
Originally Posted by boldenc View Post

Guys I'm confused between this cards, they are all very close to same pricing ...

EVGA GTX 780 Classified
Gigabyte GTX 780 GHz Edition
Zotac GTX 780 AMP! Edition
or maybe nVidia reference GTX 780

Which card is more flexible card regarding better OC headroom and lower temp?

Classified all the way thumb.gif
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post #17514 of 24915
I have a weird issue with stock or modded bios after installing aftermarket cooler (ac xtreme3).
Fans are spinning up and down, from 800 to 2000 and back on idle! Instead of remove the dc feed from the gpu and connect it straight to 7V or 12V is there something i can do to stop those rpm fluctuations?
post #17515 of 24915
Quote:
Originally Posted by melodystyle2003 View Post

I have a weird issue with stock or modded bios after installing aftermarket cooler (ac xtreme3).
Fans are spinning up and down, from 800 to 2000 and back on idle! Instead of remove the dc feed from the gpu and connect it straight to 7V or 12V is there something i can do to stop those rpm fluctuations?

I have heard that is an issue with the Accelero when connected to the fan header on the gpu. The only way to fix it is to hook it up directly to the power supply. Sorry.
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post #17516 of 24915
Quote:
Originally Posted by criminal View Post

I have heard that is an issue with the Accelero when connected to the fan header on the gpu. The only way to fix it is to hook it up directly to the power supply. Sorry.
Strange, i mean with the gtx760 haven't had such issue.
Thanks for the clarification thumb.gif
post #17517 of 24915
Quote:
Originally Posted by fifty View Post

watchout, for who ever doesn't know, the 780 acx dual is NOT a reference card, it is a shrinked ftw.

Will the volt and llc mods work on ACX cards that don't have the double bios?

EVGA:
-Classified has its own volt mods.
-FTW can't be volt modded
-Dual can't be volt modded

-780 w/ acx cooler can be volt modded
-780 sc w/ acx cooler can be volt modded
-reference can be volt modded
-reference sc can be volt modded

Gigabyte:
-Reference can be volt modded
-WF 3X rev 1.0 can be volt modded but LLC can't be disabled
-WF 3X rev 2.0 comes with over voltage settings. LLC can't be disabled.

Correct?
post #17518 of 24915
Would a 1 Litter of coolant be enough for a first time loop set up? If not, can I just add distilled water to the mix if I need to top it off?
I only ordered 1 litter of coolant. rolleyes.gif
post #17519 of 24915
These cards are acting like they love each other so I don't really have any reason to suspect anything is out of the ordinary, I'm just curious why they idle at different voltages.



I had 1 EVGA reference 780 and 1 EVGA Superclock 780
I changed out the plain 780 for another EVGA Superclock 780, same SKU, same RAM, it's identical as far as I can tell. I put Skyn3t 3A BIOS on them both and it seems clear that changing the cards out so that the RAM matches improved performance (the plain 780 had Elpida but these both have Hynix). But I cannot explain the difference in idle voltages. Is this similar to how a better CPU will run at lower auto voltage from initial BIOS--an effect of the silicone lottery?

Another curiosity. If I put the NEW SC on the top slot, it runs 10degrees hotter than the one I already had. If I switch them around, they are within 2 degrees of one another usually, and they are more stable. Am I doing something wrong?
post #17520 of 24915
Quote:
Originally Posted by crazysoccerman View Post

Will the volt and llc mods work on ACX cards that don't have the double bios?

EVGA:
-Classified has its own volt mods TRUE
-FTW can't be volt modded TRUE
-Dual can't be volt modded Waiting for confirmation

-780 w/ acx cooler can be volt modded TRUE
-780 sc w/ acx cooler can be volt modded TRUE
-reference can be volt modded TRUE
-reference sc can be volt modded TRUE

Gigabyte:
-Reference can be volt modded TRUE
-WF 3X rev 1.0 can be volt modded but LLC can't be disabled NOT TRUE - its a reference card 6+2 phases NCP4206, LLC behaves normally
-WF 3X rev 2.0 comes with over voltage settings. LLC can't be disabled. NOT TRUE - its a non-reference card 6+2 phases NCP4208, LLC behaves erratically

Correct?

Quote:
Originally Posted by Leopard2lx View Post

Would a 1 Litter of coolant be enough for a first time loop set up? If not, can I just add distilled water to the mix if I need to top it off?
I only ordered 1 litter of coolant. rolleyes.gif

Yes you can add distilled water to top it off! In fact, the coolant you ordered whatever is the brand is composed with distilled water plus additives! thumb.gif

Quote:
Originally Posted by electro2u View Post

These cards are acting like they love each other so I don't really have any reason to suspect anything is out of the ordinary, I'm just curious why they idle at different voltages.



I had 1 EVGA reference 780 and 1 EVGA Superclock 780
I changed out the plain 780 for another EVGA Superclock 780, same SKU, same RAM, it's identical as far as I can tell. I put Skyn3t 3A BIOS on them both and it seems clear that changing the cards out so that the RAM matches improved performance (the plain 780 had Elpida but these both have Hynix). But I cannot explain the difference in idle voltages. Is this similar to how a better CPU will run at lower auto voltage from initial BIOS--an effect of the silicone lottery?

Another curiosity. If I put the NEW SC on the top slot, it runs 10 degrees hotter than the one I already had. If I switch them around, they are within 2 degrees of one another usually, and they are more stable. Am I doing something wrong?

All cards have different voltages either at idle or at load,it has nothing to do with the bios or anything else; here is a quote from one of my articles:

"ASIC score is more an indication for nvidia and amd and for us only a measure of leakage in our chips (thanks to W1zzard from TechPowerup to have it included in GPUz), its good to know the ASIC if youre going to run SLI because it want to have closely similar ASIC score on your cards because they will have similar voltages and you can clock/volt them together without having to go separate settings if you get big difference ASIC ( i.e: 60% - 80%)
@TSMC for nvidia and FAB1 for AMD, as the chips are removed from the waffer, tested and fused with the voltage is reflected on the leakage of every chip"


My Titans have 68,7% and 69% ASIC and at idle 0.906V and 0.894V, at load 1385mhz@1.375V and 1.369V respectively! 0.012V at idle and 0.006V at load (LLC variations@ 53% level set "10")

Check the fans profiles, when under load the new card on the top slot may have lower fan revs than normal leading to high temperatures but its normal that the top card is hotter than the lower card! thumb.gif


Cheers

Ed

(Team skyn3t)
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