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Upgrade from sli 660 to single EVGA GTX 780 Ti SuperClocked w/ ACX Cooler?

post #1 of 4
Thread Starter 
Does anyone know of a good way to determine how much of a performance increase I will get in making the upgrade from 2xSLI GTX660s to a single EVGA GTX 780 Ti? I have found benchmarks comparing single solutions, but nothing that helps me with the SLI aspect. Is there a generally accepted scalar for SLI, say 170%? (200% being full effect of both cards)

I actually do plan on buying another in January, but I want to get one if there are any price drops for black Friday/cyber Monday.

Any help is appreciated.
post #2 of 4
well as far as 660 sli goes theres a guy here who made a video of a bunch of benchmarks on a 660 OC and a 660 top. Sadly it's in french and I suggest turning off audio as soon as possible, his taste in music is atrocious.
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New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
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post #3 of 4
Thread Starter 
Thanks for the response. I actually use the same ASUS directCUII 660s. I have read that the performance of 660ti in SLI perform about as well as a single GTX780 but am wondering about the size of the gap (and in which direction) there would be between 660s and a GTX780ti. One big selling point to me is the reported headroom for overclocking the 780 has. As you may know, the 660s have a power target limit of only 110%. I'm definitely looking forward to pushing a 780 ti to its limits and will likely go SLI with 2 of them in the near future. I guess I'm trying to make it easier on myself to shell out the $ for at least the first one by trying to determine that it will indeed be a decent upgrade for the $700+ price tag.

For reference (The card):
http://www.evga.com/Products/Product.aspx?pn=03G-P4-2884-KR

A review:
http://www.techpowerup.com/reviews/EVGA/GTX_780_Ti_SC_ACX_Cooler/

The review has a lot of useful numbers for other single card solutions, but I'm trying to picture where SLI 660s would actually line up in there at 1080p single monitor.
post #4 of 4
don't forget single cards are much more consistent. Not all games utilize SLI well even at all. Also that guy clocked the snot out of those things. They;re not going to go much faster than they did.
New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
  hide details  
Reply
New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
  hide details  
Reply
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