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3-way 680 to 2-way TITAN upgrade? - Page 2

post #11 of 62
Thread Starter 
Heaven 4.0

GTX 680 3-way @ 1202mhz - 103.4fps avg (score - 2605)

GTX Titan SLI - 121.2fps avg (score - 3054)

Valley 1.0

GTX 680 3-way @ 1202mhz - 113,5 fps avg (score - 4749)

GTX Titan SLI OC - 115,3fps avg (Score - 4825)

GTX titan is obviously better with tesselation
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post #12 of 62
When you start looking at actual games the Titan will extend it's lead over the 680s because 3 way scaling isn't great in most tiles but 2 way is.
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post #13 of 62
Thread Starter 
Quote:
Originally Posted by AndyM95 View Post

When you start looking at actual games the Titan will extend it's lead over the 680s because 3 way scaling isn't great in most tiles but 2 way is.

yeah exactly, this is the first time im running 3-way SLI. I used to have 3x 1080p screens at 5760x1080, but due to the bad scaling, bad gpu usage i sold my screens and bought a 2560x1600. but the scaling is still horrible. only 1080 seems to be always giving me the smoothest performance but its just overkill for 1080p.

Thats why im willing to upgrade to 2x Titan's. Its a very expensive upgrade as the performance gain isn't really worth the money, but ill be happy if my low gpu usage and microstutter issues are gone and so im willing to pay for it.

3-way SLI ... never again!
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post #14 of 62
I was running 3-way GTX 680 for a few weeks, and ended up taking one of them back and reverting to two-way SLI. The additional heat and noise were excessive, and for several game that I play (WoW and EQ2 primarily) the performance with 3-way SLI was actually WORSE than 2-way SLI with the GTX 680s. WoW with everything on Ultra and max AA I am getting 80-90 FPS in town at 2560x1600, with three cards I was getting 75-80 FPS. Crysis 3 was fabulous at 1600p and tri-SLI, but it sounded like a damn jet turbine while the game was running. Not worth it. I had three cards at 85-90 degrees C vs. two cards, a little less detail in-game, and 70 degree temps now.

Going with two Titans is going to give you 10-15% better performance than three GTX 680s, with less heat, less noise, and better power efficiency. Your net cost is probably going to be about $800 to do the upgrade, once you hock your used GTX 680s.

Greg
post #15 of 62
It could be a driver issue. Three way SLI isn't as optimized as dual way SLI. I don't know the performance of two titans to 3 680's. I think I saw a video on youtube where someone did the comparison, though I'm not sure at all.
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post #16 of 62
Thread Starter 
Quote:
Originally Posted by Aluc13 View Post

It could be a driver issue. Three way SLI isn't as optimized as dual way SLI. I don't know the performance of two titans to 3 680's. I think I saw a video on youtube where someone did the comparison, though I'm not sure at all.

Its just bad driver optimalisation by Nvidia. 2-way SLI 680's works perfectly and the usage is always fenominal. I have asked the Nvidia's live service to look at the problem and they have connected me with David, working at level 2 customer support by Nvidia. He told me they would look into the 3-way SLI support and it would be fixed in the upcoming drivers.

That was 5 months ago.........
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post #17 of 62
If you're spending $2000 for two titans, you might as well spend the extra ~$300 for a 120 hz monitor. tongue.gif
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post #18 of 62
Thread Starter 
Quote:
Originally Posted by qzyxya View Post

If you're spending $2000 for two titans, you might as well spend the extra ~$300 for a 120 hz monitor. tongue.gif

Why would i switch my Dell 2560x1600 60hz for a 120hz ?
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post #19 of 62
This is a useless upgrade unless you have micro stutter in all games that you are playing. GTX Titan SLI seems like a sweet spot. Scaling is great.
But from 3 x GTX 680 to 2 x Titan, you will gain at max 10 fps.

Check this graph:



PS: Your monitor is fine.
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post #20 of 62
Thread Starter 
Yeah i know. And im still doubting the upgrade as its 800€ extra for 10/15 fps increase + low gpu usage fix.

Maybe a 1080p 120hz isnt such a bad idea at all since 1080p runs ultra smooth and gives me the option to max out AA in all games. 1080p also reduces microstutter for me.
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