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I am contemplating about getting the NVIDIA GTX 780 for my new build. What are your opinions... SLI or no SLI?

 

Wondering if its a bit too overkill with SLI..?

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Wondering if its a bit too overkill with SLI..?

 

Everything I've read on FSX and SLI is that it is not a good mix.  Best stick w/ one for FSX...

 

Noel

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One GTX780 will eat FSX alive. I suspect SLI will give no advantage in FSX but X-Plane can certainly use some serious resource.

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Personal preference really. One 780 will do.

 

I'm going SLI 780's to max out other games at 1440p. But if you're talking solely FSX, no it isnt worth it.

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I'm going SLI 780's to max out other games at 1440p. But if you're talking solely FSX, no it isnt worth it.

I play a lot of intense graphic related games, such as ARMA. It's not just for FSX. I think I'll go SLI...

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GPU no good for FSX.. I had bad experience with my 680 after 560 I saw no major change .. look for a good cpu

Regards

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GPU no good for FSX..

 

On the contrary, GPU actually does make a big difference in FSX depending on your settings/AA levels etc. Just not as important as CPU for FSX.

 

Since he's not using it solely for FSX it may be worthwhile for him, as it is for me in my situation.

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FSX is a complex beast. I went from a GTX570 running 1920X1080 to a GTX680 running 6072X1080, and got a huge boost in frames, and more importantly smoothness. With my CPU at 4.6, the GPU was the apparent bottle neck.

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I can tell you from experience haswell + gtx780 is good enough for fsx at 1920x1080 atleast. Prolly even on higher res

 

Sent from my HTC One using Tapatalk 4 Beta

 

 

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FSX is a complex beast. I went from a GTX570 running 1920X1080 to a GTX680 running 6072X1080, and got a huge boost in frames, and more importantly smoothness. With my CPU at 4.6, the GPU was the apparent bottle neck.

I'm in a similar position right now. Upgraded to Haswell but I still have a 570. Wondering if that's holding me back. A 770 might be nice...

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I'm in a similar position right now. Upgraded to Haswell but I still have a 570. Wondering if that's holding me back. A 770 might be nice...

 

I upgraded from an AMD Phenom II @ 3.7 GHz to an Intel 4770K @ 4.3 GHz but kept the GTX 460 1GB from the old build. The improvement in pure FPS was about 2.5x and any sign of stuttering went away. This is with OrbX scenery, 4096x4096 clouds etc.

 

A few weeks later I added a GTX 670 2GB. The improvement was about 0 to 0.5 FPS, which was obviously not noticeable at all.

 

There's a special, hidden FSAA mode called SGSS (Sparse Grid Supersampling) that supposedly stresses even the most powerful GPUs. If you absolutely must use this, it might make sense to upgrade the GPU. Personally I find "8xS" FSAA looks great and don't see the need to go higher.

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A good GPU is JUST as important as a CPU, they are just Apples and Oranges.

 

CPU=Speed

GPU=Maintaining Constant Speed

 

What good is a 4+ OC'ed CPU, if you blaze into clouds, or dense autogen areas and your GPU falls apart and can't keep up? It's like trying to run to a different terminal at an airport with your child dragging along.....does not work.

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There's a special, hidden FSAA mode called SGSS (Sparse Grid Supersampling) that supposedly stresses even the most powerful GPUs. If you absolutely must use this, it might make sense to upgrade the GPU. Personally I find "8xS" FSAA looks great and don't see the need to go higher.

 

I tried different versions of SGSS (Word Not Allowed spoke highly of it) but I found it sacrificed image crispness to the point I didn't care for it.  I prefer 8xS, though all levels of SGSS including 8X had no perceptible impact on performance.

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A few weeks later I added a GTX 670 2GB. The improvement was about 0 to 0.5 FPS, which was obviously not noticeable at all.

.

You must something wrong somewhere. I own both 470 and 670 and there is a difference of around 13fps with exactly same settings

 

Not that fps matters as such. If you can run with high gpu settings and its smooth that's what counts

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FSX is not compatible for SLI, you will be wasting your big time money. I have 27" Dell Ultra Sharp screen and just purchased a 780 and man oh man, the performance is striking. For example on the ngx, frames will not increase, but performance will indeed, your sim will run a lot smoother. If you are in fsx for keeps, don't short change yourself, get the 780 and you will be satisfied for the next few years, by the way previously I had a 580 GTX

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FSX is not compatible for SLI, you will be wasting your big time money. I have 27" Dell Ultra Sharp screen and just purchased a 780 and man oh man, the performance is striking. For example on the ngx, frames will not increase, but performance will indeed, your sim will run a lot smoother. If you are in fsx for keeps, don't short change yourself, get the 780 and you will be satisfied for the next few years, by the way previously I had a 580 GTX

Thanks for the recommendation, my plans to upgrade my computer have been put on the shelf for the moment, too much going on... -_-

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I am selling of the part from my previous build which included 2 GTX 580's.

I have purchased all my parts for the new build which includes a GTX 780.

I have used SLI since the GTX8800 and I Would say that SLI is just not worth it

I have often forgot to reactivate SLI after running FSX and then played other games such as Codemasters F1 2010, Dirt 3, Grid and did notice any performance loss. Its mostly in our heads and the hardware manufactures know that. Even it you play other graphics intensive games that use SLI I would give it a miss unless you are using multiple monitors. Spend the $650 on SSD's, not another GTX 780. I went for Samsung 840 Pro's

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Few weeks ago I upgraded my pc after my previous motherboard died on me.  Before the 4770k I had a 980X @ 4.5ghz and I can say the difference in FPS is huge. I rather go with a newer/faster OC'd CPU than a newer GPU. My current AA Nvidia Inspector setting is 8xS with 4x Supersampling... Using sceneries like the ones from FSDT or FlightBeam and using the weather preset "major thunderstorm" with Carenado SR22 Cirrus I get 30 FPS... Current settings in P3D are the following... Frames Unlocked - LOD 5.5 - Mesh 10m - Autogen Very Dense - Water Sky, Clouds, Sim Objects - Clouds 90mi... No AI Traffic... everything else in max...

This screenshot is form FSDT LAX from runway 25R, weather in "major thunderstorm" and using Carenado Cirrus...

 

Prepar3D2013-08-1213-30-17-484.jpg

 

(BTW I don't use SLI in P3D... It cuts my FPS by 5 and strutters)...

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