Is it worth getting GTX 780 TI 2-way SLI's for 2560x1440 gaming?

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mykeloid

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Dec 9, 2013
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Hi, I'm about to upgrade my resolution.

I'm planning to get an EVGA GTX 780 Ti Superclocked with ACX cooler. I'm trying to see if I need to have 2-way SLI's for a 2560x1440(I'm planning to get a Dell UH2713HM) resolution, I want to have atleast 60fps at Ultra settings for most games.

my current RIG is:


i5-4670K
Gigabyte GA-Z87X-OC
Corsair Vengeance 4x2 1866
Corsair neutron 128gb SSD
i forgot my HDD
Corsair H80i
Corsair AX750
 
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VincentP

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Oct 18, 2013
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A single GTX 780 Ti will not support 60 frames per second at 2560x1440 Ultra settings.
For SLI, it still only has 3GB memory.
Two GTX 770 4GB cards in SLI might be a better solution.
 
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VincentP

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Oct 18, 2013
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Bioshock Infinite has very low requirements compared to many other games.
To be honest I personally would be happy with the performance of a single GTX 780 Ti on a 2560x1440 monitor..
The question though was "atleast 60fps at Ultra settings for most games".
http://www.tomshardware.com/reviews/geforce-gtx-780-ti-review-benchmarks,3663.html
The GTX 780 Ti cannot hit 60 fps with these settings in Arma III, Battlefield 4, Crysis 3, Metro: Last Light or Tomb Raider.
The only two tested games that could were Bioshock Infinite and Skyrim.
If you add mods to Skyrim though (which anyone with a high end system would), it actually has very high video memory requirements.
If the motherboard and power supply can handle SLI, two GTX 770 4GB cards offer significantly better performance for minimal cost over a single GTX 780 Ti.
 
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wanderer11

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Why not just buy one for now and see if it's powerful enough for you? If not then buy another later. I have CF 7870 for 2560x1440 and am very happy with the performance. With AA off (not like I really need it anyway) I can run any game on high. My setup is only about as powerful as one 780Ti.
 
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mykeloid

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Dec 9, 2013
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That's a reference card, I'm actually gonna buy an EVGA non-reference card.

check this out:
http://www.techpowerup.com/reviews/EVGA/GTX_780_Ti_SC_ACX_Cooler/

is this legit?
 
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VincentP

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Oct 18, 2013
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Most benchmarks are for the reference card.
The EVGA card looks good.
Most manufacturers put a decent cooler on the cards and overclock the GPU and memory.
It doesn't make a huge difference to clock rates.

This card by itself will give you close to 50 FPS with Ultra detail settings in most games at

2560x1440.
50 FPS is pretty good.
At 1920x1080 Skyrim with mods pushes the 2GB memory limit, so I'm not sure if 2560x1440 will

cause you problems in that one specific game, but you can always lower the resolution for this

game if you need to.
You can also easily get away with a 650W power supply if only using one GTX 780 Ti.

At the settings they have chosen, the review you linked shows this card only managing 29.3 FPS in

Crysis 3 at 2560x1600 resolution.
http://www.techpowerup.com/reviews/EVGA/GTX_780_Ti_SC_ACX_Cooler/12.html

The GTX 770 is actually much better performance per dollar than the GTX 780 or GTX 780 Ti.
Two GTX 770 4GB cards is much faster than a single GTX 780 Ti, and not that much more expensive.
For a power supply, I would recommend the Seasonic G 850W to go with these cards.
 
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mykeloid

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Dec 9, 2013
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I actually got a gtx 770, well.. that before I sold it because I bought a 2gb GTX 770..well anyway, what if I go with the GTX 770 sli, what's the best brand or non-reference card that you can suggest?
 
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mykeloid

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Dec 9, 2013
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I actually got a gtx 770, well.. that before I sold it because I bought a 2gb GTX 770..well anyway, what if I go with the GTX 770 sli, what's the best brand or non-reference card that you can suggest?
 
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VincentP

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Oct 18, 2013
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Asus cards with the DirectCU coolers are the quietest cards available and often have a modest overclock.
Unfortunately Asus don't offer a GTX 770 4GB model.
Gigabyte make good quality cards, often with a slightly higher overclock than Asus for less money.
I have no experience with EVGA but they are popular.
Avoid brands like Powercolor, Palit and Galaxy. The few dollars you save are not worth it.
Look at the connectors the card offers as well. You don't really want to have to use an adapter.
 
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VincentP

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Oct 18, 2013
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An 860W power supply will be at around 70% load when playing games.
That certainly won't cause you any problems.
If you over clock the CPU, this could be a little higher.
If you step up to a 1000W supply, the load will be about 60%.

The AX series are very expensive.
You could use a quality 80 plus gold rated supply and get a 1000W model for less than the AX 860i.
Corsair RM 1000
Seasonic X 1050

These are both top quality supplies and very efficient.
They both have a fan that will stop when not required (40% load for the RM, 20% load for the Seasonic).
This means when not playing games, the power supply fan won't run.

The 850W versions of these two supplies would also be fine.
 
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CH40S0N3

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Jan 20, 2014
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It's not always the case. My framerate still drop below 30fps with a single 780 ti when playing bf4 on max settings and this is only at 1920x1080 so you can imagine what a dual gpu can achieve.

 
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mykeloid

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Dec 9, 2013
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That's kind weird, I've had a 770 before and it's always around 50-60 fps on ultra set when playing bf4 at 1080p.

 
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