GTX 670 4GB vs GTX 680 2 GB, Nvidia Surround/ Multiple Display Setups

pWnDankosity

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Hello everyone, So...

"IN REGARDS TO MULTIPLE DISPLAYS"; I want to run 3 Monitors at minimum 1920 x 1080 each , should I?



Get a GTX 670 FTW 4GB at the cost of $484? (and keep my warrantee)

OR, get a GTX 680 Stock for $500, and overclock to make up for vram.



--- I know there are pros of each over the other, and that the performance of the GTX 680 is around 5-10% faster than the 670. But, I know VRAM is important when running multiple displays. Yet in the grand scheme of things, is buying a 670 overclocked to as powerful as a 680, but with 4GB of Vram BETTER (as far as FPS at 5760 x 1080 and price/performance), or is one 680 OVERCLOCKED as F*CK going to yeild me similar or better results?

My selfish, brag hungry heart wants a 680, yet am not willing to spend near $700 for one with 4GB vram if neccessary. And settling for 1 monitor is not an option. I appreciate all responses. Even the un-constructive ones. Although, less than the constructive ones.
 
A Radeon 7950 with severe overclocking or a Radeon 7970 would be your best bet here. Nvidia supports several monitors, but is not the ideal choice for it due to the very reason that is stated above. As the resolution and such increase, Nvidia's GK104 cards get slower and slower relative to the Tahiti cards such as the 7950 and the 7970. At 5760x1080, the 7970 can overtake the GTX 670 and 680 even with the Catalyst 12.6 driver, let alone how much ground it can then pick up with the performance-enhancing Catalyst 12.7 driver.
 

pWnDankosity

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I did some research and it supports that even with the bus limitations, the GTX 680 out performs the 7970, in at least the titles im interested in. ex BF3, Crysis 2. But as far as the Vram is conserned, have you seen any benches or distinction between a 680 at 5760 x 1080, and the 670 4GB at those resolutions? Or does the 7970 beat the 670 4GB? Considering their very similar in price.

http://hexus.net/tech/reviews/graphics/37253-three-screen-geforce-gtx-680-vs-radeon-hd-7970/?page=8

And the 7970 is a beatiful card btw. Can't wait to see what Radeon does with their next generation.
 
The new Catalyst 12.7 driver lets the 7970 take back the performance crown from the GTX 680 in most situations. Considering that at 5760x1080, the 7970 already won most of the time (the 680 loses more performance than the 7970 does as the resolution and such increases, presumably, this is mostly due to the 7970's much greater memory bandwidth), the new driver lets it pull ahead considerably. However, one other thing does come to mind... 5760x1080 is still very intensive in the more GPU limited games. A single 7970 can do 2560x1600 excellently, but 5760x1080 has about 50% more pixels and takes substantially more performance to have similar speed with the same settings because of that. The Kepler cards are not suited for such a resolution.
 

roadkill922

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The kepler cards are perfectly suited for that resolution. You just won't be able to play in the ultra settings if you want 60 fps. The same thing is true of the 7970 as well. I don't see how you can say that they are not suited for that resolution when they perform similarly. While the 7970 may have pulled ahead in some areas by a small margin, you have to consider the fact that it has been out for 6 months, whereas the kepler cards have been out for half of that. Unless Nvidia completely drops the ball somewhere, you can expect driver updates that will bring the performance levels up to where the 7970 is or further.
 


the main difference is that the 7970 was pushed out too early, and that historically the AMD drivers are not as well built as the nvidia drivers, so AMD had a lot to work on the card despite its early release. because of it, it concepted the 12.7 driver, which is why it gave amd cards a moderately significant boost. at the current moment, its known that the 7970 works on extremely high resolutions better than the Gtx 680(2560x1600). As for 1920x1080, AMD's eyefinity is more developed for multiple screens on 1 card than Nvidia is. At the current moment, both company switched sides on their work. Nvidia is trying to enhance their 3D surround setup, while AMD is working on 3D vision, which was something that Nvidia worked better on.
 
I would go for the GTX 670 4GB version, which is cheaper than the GTX 680 2GB, yet will perform nearly as fast. Your research was correct that in multiple screen situations the GTX 680/670's still deliver top performance, even with the 2GB variants. Going for a 4GB version is certainly a better option than going with a card that has less memory in a multiple screen situation.

Of course, the best way to come to a decision is to research reviews using your target resolution and the games you personally intend to play. Here are several reviews testing high resolution scenarios:
http://www.overclockersclub.com/reviews/nvidia_gtx670/
http://www.anandtech.com/show/5818/nvidia-geforce-gtx-670-review-feat-evga/
http://www.bit-tech.net/hardware/2012/05/10/nvidia-geforce-gtx-670-2gb-review/1
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/54705-gigabyte-gtx-670-windforce-oc-review-16.html
http://www.techpowerup.com/reviews/ASUS/GeForce_GTX_670_Direct_Cu_II/
 

pWnDankosity

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All these responses are awesome. I've been looking and it does seem like there are no Gains in graphics performance with a 4GB card. Yet, there are accounts of cards hitting the vram "Wall" and getting frames slashed down to 1 -2 fps for a brief moment. Yet, this seems rather unconfirmed, and even more so, that the lack of solid "evidence" that a 4GB card will grant any benefit to a gaming set-up brings one to think why even bother? Most high end Radeon cards have 3GB ram, arriving to the illusion that there might me reason to fork out for the extra 2GB. But if im planning to go SLI in the near future, I will already have 4 GB from that, vs having 8GB with an SLI pair or 4GB cards (which is a complete waste if 4GB is too much. So I am going to just go straight 680 and overclock it until it won't go higher, or until they unlock the voltage on it. If your ganna spend $20 less than what the next best card costs, might as well eat Ramen for an extra week right?
 
If you are going SLI, get a good 670 card with a good cooling solution. Your system will be lower power and quieter and cheaper than a cross-fire solution with 7950's. With triple monitors, you need a couple boards to give you a crisp response.
 

nupe123

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Are they making a 670 FTW 4GB? I currently have SLI GTX 670 FTW 2GB and when playing BF3 on ultra or FFXIV on very high settings in surround mode I have no problems at all. VRAM comes close to being used all up on BF3 but I'm not having any problems.
 


Don't forget slower than the 7950s. Don't pretend that you're not making a trade-off in performance and you're also wrong about the cost. Two 7950s are cheaper and faster than two 670s unless you buy overpriced 7950s. At this resolution of 5760x1080, 2GB can start to become a problem, especially in texture-modded Skyrim or other games.
 

roadkill922

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I don't know if I am understanding you correctly, but it sounds as though you believe SLI 670 4GBs will add up to 8GB. I may have just read this wrong and if so I apologize. Anyway the VRAM does not add up when you SLI two cards. The cards mirror each other and only use the equivalent VRAM of one card. For example two GTX 670 2GB cards in sli still only adds up to 2GB vram total.

The reason people say to get the 4GB models for SLI is because in order to utilize that much VRAM, you need the power of 2 cards to process it.
 

tol

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Jul 3, 2012
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I don't normally post here but came across this thread through a search on which 670 4GB cards are out there or "soon to be available".

I just thought I'd chime in and let everyone know that playing Rift on ~mid-high settings at 8050x1600 on my old 1.5GB GTX 580s would cause stutter all the time. I'm using 3GB 580s at the moment and I monitor vram usage with MSI Afterburner...I see usage near 2GB all the time but I don't think I've ever seen it actually go above. Skyrim with add-ons and texture packs is the common culprit that's pointed at for using up the vram. I don't own the game but I certainly believe the claims.

The point is that although all the reviews are showing no "speed" increase, if you try playing while your videocard continuously swaps textures in an out for a while you'll definitely see the value of the extra vram.
 

akamrcrack

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That is if the extra ram actually made an improvement.

Which it doesn't due to the bit rate.
 

pWnDankosity

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Ya, I forgot about the whole vram stacking. I hope they come us with a fix to that. I have no idea why that isn't a HUGE issue with these card manufacturers.
 


In order for VRAM to stack, every GPU in the graphics system would need to have full-speed access to all shared memory. Unless you can find a way to share memory at hundreds of GB/s between separate graphics cards when even PCIe can't do that, there's nothing that we can do. Theoretically, this could be done on dual GPU cards between the two GPUs on the card, but between different cards is incredibly difficult with current technology.
 

pWnDankosity

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I have been doing even MORE research. And a few of the title I enjoy (Skyrim & BF3) do require quite a bit of Vram. Over 3GB in some cases. This is of course at 5760x1080 and up with extremely high settings. With games advancing how they do, and the most popular titles using more and more vram, AND the fact that even tri-sli only has 2GB max vram if running 2GB cards, all of the above = 670 Superclocked+ FTW 4GB is IMO the "Safest" choice for someone looking for 5760 x 1XXX+ and planning on going SLI in the future. And at $200 less than the 680 4GB, its the best price/performance card in the 600 series (in respect to 4GB cards).

-Unless your a radeon fan, in which case its your call.

Here is a becnhmark chart. Kinda made me realize that a 680 4GB is NOT worth it. Of course, that claim is in respects to how the processor clock limits in a 680 4gb is the same as in the 2GB (duh) making adding an extra $200 for the 5-10% boost between the 670 & 680(which is compaired in the link with the benchmarks below) retarded expensive. You might as well buy a 690 at that kinda price.

http://www.bit-tech.net/hardware/2012/05/10/nvidia-geforce-gtx-670-2gb-review/7