Can anyone explain the differences?

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connorjiy

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Nov 3, 2011
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Hello,
I am looking at these 2 GPU's and am trying to find out if there are any real differences or not.

ASUS GTX780TI-3GD5 GeForce GTX 780 Ti 3GB 384-bit GDDR5 PCI Express 3.0 HDCP Ready SLI Support Video Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121822
$669.99

and

ASUS DirectCU II GTX780TI-DC2OC-3GD5 GeForce GTX 780 Ti 3GB 384-bit GDDR5 PCI Express 3.0 HDCP Ready SLI Support Video Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121838
$729.99

I see the clock speed differences but won't they be similar with the autoclock feature anyway? I also notice the 2 fans for the more expensive unit, is that the only differences or is there something more significant that I am missing? Thanks!
 
Solution
lucasz
The fan designs are completely different. The 1st one has a "blower" type fan and the 2nd one has the "dual fan" type. The blower fans suck air through the GPU and out of the case (near the DVI/HDMI ports) and the dual fan types blow air down on to the GPU then rely on the case fans to blow the hot air out. Since dual fan cards need good airflow, the are recommended for single card setups. Blower fans do not need as good of airflow so they are recommended for SLI setups. The dual fans are quieter and usually tend to keep the card cooler as long as it is in a single card configuration.
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connorjiy

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I intend to buy one, down the line I might go sli. What are the reasons you say that?

If they both have that gpu tweak which another post I read said was basically one button simple over clocking, is that extra fan worth the $60?
 
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lucasz

lucasz

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The fan designs are completely different. The 1st one has a "blower" type fan and the 2nd one has the "dual fan" type. The blower fans suck air through the GPU and out of the case (near the DVI/HDMI ports) and the dual fan types blow air down on to the GPU then rely on the case fans to blow the hot air out. Since dual fan cards need good airflow, the are recommended for single card setups. Blower fans do not need as good of airflow so they are recommended for SLI setups. The dual fans are quieter and usually tend to keep the card cooler as long as it is in a single card configuration.
 
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connorjiy

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That....was an excellent explanation. I would eventually like to sli. With that in mind, even though it might be awhile down the road, do you think going the first model would be the wiser decision?
 
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lucasz

lucasz

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Well the 780ti is the most powerful single GPU on the planet, so as long as you are running a single monitor I don't think you'll have to upgrade for at least 2 new generations of GPU's. By the time you are ready to get a new gpu, you will probably be thinking about getting a completely different GPU (GTX 980 or whatever it will be). So I would get the dual fan version
 
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connorjiy

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Yeah, that was my thoughts as well, I will not be able to upgrade for around 5 years, with that in mind I was thinking of a SLI down the road as a lower budget option in case it was needed prior to that 5 year mark (and assuming the price drops accordingly). I think since the majority of the time it will be not SLI and that in, say 4 years I can get an "older" generation but newer than mine for less than a new (theoretically) 780ti now, it is the superior option. Thanks again!
 
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