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GTX 470 SLI OC vs GTX 560Ti SLI OC - Page 2

post #11 of 16
Quote:
Originally Posted by brettjv View Post
The case factor is what leads me toward suggesting the 560ti's.

For raw performance at max OC's, 470's are solidly faster than 560ti's ... roughly 5-10% ... although it depends on your particular samples and how they OC. The more tessellation there is in the test, the more dominant the 470's are, as GF100/110 chips have quite a bit more tessellation power than GF104/114, due to 4 GPC's vs. 2.

My 470's with solid Copper TFII coolers will do around 845c/900m, and no 560ti's are even going to get within striking distance of my cards at these clocks. But those clocks require high voltage (1.1V) they get HOT if I push them that hard. With more reasonable clocks/volts (like 775/900@1.037), which runs a lot cooler, they are going to be about equal to a 560ti at around 925MHz.

I love my 470's, but I have a huge case and a lot of airflow, plus two full empty slots between the cards, and nearly top-of-the-line air coolers on them, so ... that's why. If you just wanna throw a couple reference cards in a small sized case with an average mobo that has only one slot between cards ... you'd be better off with the 560's.

The one concern I have in the longer term though is the vram factor. 1GB of vram capacity is rapidly falling behind the times, and is a little lacking IMHO considering the raw power of two GF114 cores like you're talking about doing ... Crysis 2 maxed out in DX11 w/texture pack is pushing over 1.3GB at 1080p IIRC ... which is definitely somethign to think about if you're looking at the long term. It might be worth looking into 560ti 2GB or HD6950 2GB if you want your cards to last for awhile.
Yeah after reading the whole thread I really think that a SLI of 560 Ti 2GB would be a beast
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post #12 of 16
I'd say 560Ti's too. Although, I really wouldn't worry about a beefy PSU, as my "shady" one can take all my stuff under stress just fine, and it's a few years old. As said above too, cooling OC'd 470s would cost more than it's worth, and the 460s just don't have enough RAM. In fact, I've even run into RAM barriers even though it's 1280MB, so anything lower definitely isn't future proof.
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post #13 of 16
Thread Starter 
I ended up ordering a Corsair TX750 v2, as I realized that going modular would only save me from using one cable, while costing me a premium. I've re-analyzed everything, and the best bang for the buck is definitely a GTX 470 set up. EVGA B-stock does not have 2GB GTX 560Tis, and even the 1GB versions are more expensive than the 470s.

So basically it comes to the 470s having better raw performance and future-proof qualities for less money than the 560Tis. Power usage is a non-issue, because the TX750 should be able to power both set-ups equally well, and I won't be paying the power bill at college. Heat is the only thing going against the 470s, but if cooling them does become too much of an issue I could always eBay them (and probably turn a profit) or just get aftermarket coolers.

So unless Newegg has an amazing open box sale where I could get cheap 2GB GTX 560Tis or GTX 570s, I'm probably going with the GTX 470s. Thanks to all!
    
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post #14 of 16
Quote:
Originally Posted by brettjv View Post
The case factor is what leads me toward suggesting the 560ti's.

For raw performance at max OC's, 470's are solidly faster than 560ti's ... roughly 5-10% ... although it depends on your particular samples and how they OC. The more tessellation there is in the test, the more dominant the 470's are, as GF100/110 chips have quite a bit more tessellation power than GF104/114, due to 4 GPC's vs. 2.

My 470's with solid Copper TFII coolers will do around 845c/900m, and no 560ti's are even going to get within striking distance of my cards at these clocks. But those clocks require high voltage (1.1V) they get HOT if I push them that hard. With more reasonable clocks/volts (like 775/900@1.037), which runs a lot cooler, they are going to be about equal to a 560ti at around 925MHz.

I love my 470's, but I have a huge case and a lot of airflow, plus two full empty slots between the cards, and nearly top-of-the-line air coolers on them, so ... that's why. If you just wanna throw a couple reference cards in a small sized case with an average mobo that has only one slot between cards ... you'd be better off with the 560's.

The one concern I have in the longer term though is the vram factor. 1GB of vram capacity is rapidly falling behind the times, and is a little lacking IMHO considering the raw power of two GF114 cores like you're talking about doing ... Crysis 2 maxed out in DX11 w/texture pack is pushing over 1.3GB at 1080p IIRC ... which is definitely somethign to think about if you're looking at the long term. It might be worth looking into 560ti 2GB or HD6950 2GB if you want your cards to last for awhile.

I think a good thread is needed on the 560ti vs 470. I would love to see some user #'s from semi-identical setups with overclocked cards. Let's say a 800-850mhz 470 vs 1000-1050mhz 560ti.
post #15 of 16
Thread Starter 
Quote:
Originally Posted by HarryBahzack View Post
I think a good thread is needed on the 560ti vs 470. I would love to see some user #'s from semi-identical setups with overclocked cards. Let's say a 800-850mhz 470 vs 1000-1050mhz 560ti.
I agree. Comparing Guru3D's GTX 560Ti SLI and GTX 470 SLI reviews is invalid because of greatly varying driver versions used for each.
    
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post #16 of 16
I really need to get my second 470 in to my rig. I already installed the water block

As noted by brettjv 1gb. is on the low side, Crysis 2 w/ DX11 patch maxes my vram out
and stays that way through the whole game.

I run mine at 850mhz. core when gaming with out any problems, volts are 1.02, any higher volts and the OCP kicks in
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