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Standard GTX 780 or OC'ed version ?

post #1 of 3
Thread Starter 
Hi people!

I'm sure someone can answer this:

I'm going to invest in a GTX 780. I have complete custom watercooling installed, which I'm going to hook it up to (for overclocking ofc.)

I see Asus has a stock version and a OC'ed version. Do they both, theoretically (I know there are good and bad chips) have the same overclocking potential ?
I obviously don't care about the coolers they've put on, so is this the only difference ? Apart from them turning up the speeds from the factory ofc. That's what I'm going to do myself with MSI Afterburning for example...

Bottom line - Is there any idea in buying an OC version, when I'm going to watercool and OC it myself. Or can I save the money and get the same out of a stock version...?

Hope you know what I mean...

Thanks! thumb.gif
post #2 of 3
Quote:
Originally Posted by lassebhansen View Post

Hi people!

I'm sure someone can answer this:

I'm going to invest in a GTX 780. I have complete custom watercooling installed, which I'm going to hook it up to (for overclocking ofc.)

I see Asus has a stock version and a OC'ed version. Do they both, theoretically (I know there are good and bad chips) have the same overclocking potential ?
I obviously don't care about the coolers they've put on, so is this the only difference ? Apart from them turning up the speeds from the factory ofc. That's what I'm going to do myself with MSI Afterburning for example...

Bottom line - Is there any idea in buying an OC version, when I'm going to watercool and OC it myself. Or can I save the money and get the same out of a stock version...?

Hope you know what I mean...

Thanks! thumb.gif

Theoretically, they do have the same overclock potential.

Say for example:

Non-OC: 1000mhz stock, 1350 max overclock
OC'd: 1100mhz stock, 1350 max overclock

Both have the same potential, but one has used up more of it.

However, in real world, that theoretical maximum is thrown for a loop. Occasionally a card that comes Pre-OC'd out of the box might have a higher OC limit due to binning, but then again it might not.


You need to look at other parts that differentiate the card. Stuff such as VRMs (power delivery) and whatnot are very important to look at.


However, if you are watercooling, you need to watch out because full cover blocks tend to only work with reference designed cards.

Vendors from time to time (most notably EK) make waterblocks for non-reference cards such as the Asus DC2 or the MSI Lightning.






On another note, if I remember correctly, the new GTX 780 DC2 will actually allow you to overvolt beyond what the Nvidia Greenlight program allows if you connect it to an Asus motherboard.
post #3 of 3
Thread Starter 
Kinaesthetic, thanks a lot for your reply smile.gif

It seems that the locked max voltage on all the 780's is the limiter. Don't know the Greenlight program you speak of, but I have an Asus Sabertooth X58 motherboard.

Very much in doubt which 780 card to get.
If there was just a card without voltage limit, which a fullblock would fit on... smile.gif
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