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Subject: Nvidia's GeForce 7900 GTX Quad SLI

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After kim saying pc gamers are more mature:
Posted by:ImSpartacus
we r?

So I picked up the current maximum pc, minimum bs issue today, and read a sweet topic in there. It's a preview of the Nvidia's GeForce 7900 GTX Quad SLI. The resolution was about 2560x1600, with anti-aliasing and anisotropic filtering to smooth more than four million pixels. Two of the cards are bolted on top of each other, but only one is plugged into a x16 PCI Express slot, two SLI connectors went between cards A and C and a second between B and D. However, this requires a power supply of 800-1000 watts internally, or an external source. Far Cry was ran at 2560x1600 and got 58.14fps, Doom 3 ran at 78.5fps, and "2560x1600 is just breathtaking."

It should be coming out this by at least this summer, but at a hefty price.

  • 04.29.2006 8:38 PM PDT
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Um I'm not the greatest with computers, but wouldn't something bottleneck it somewhere?

  • 04.29.2006 8:53 PM PDT

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After kim saying pc gamers are more mature:
Posted by:ImSpartacus
we r?

I don't know what bottlenecking is....

  • 04.29.2006 9:26 PM PDT
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bottlenecking is exactly what it sounds like. Picture having a bottle full of water and emptying it. Notice how it doesnt come out extremely fast because its all trying to come out at once. In a computer, if a GPU is so fast, it can process the image faster than the cpu can handle the info and alot of it gets wasted and slows down.

You can already buy a quad sli setup. Dell has the xps renegade, alienware has a quad sli setup, voodoo, and falcon all do.


O and btw, your a little behind whoever posted this. The 7900GTX quad SLI setup is several months old, and the 7950GTX is the newest card.

[Edited on 4/29/2006]

  • 04.29.2006 10:32 PM PDT
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bottlenecking or not, that is one frigging powerful card.

  • 04.29.2006 10:39 PM PDT

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After kim saying pc gamers are more mature:
Posted by:ImSpartacus
we r?

Posted by: TMH1988
bottlenecking is exactly what it sounds like. Picture having a bottle full of water and emptying it. Notice how it doesnt come out extremely fast because its all trying to come out at once. In a computer, if a GPU is so fast, it can process the image faster than the cpu can handle the info and alot of it gets wasted and slows down.

You can already buy a quad sli setup. Dell has the xps renegade, alienware has a quad sli setup, voodoo, and falcon all do.


O and btw, your a little behind whoever posted this. The 7900GTX quad SLI setup is several months old, and the 7950GTX is the newest card.


Yeah I guess I am a bit behind, oh well, just haven't been in a magazine store in the past few months and i haven't read anything about the new graphics cards. And thanks for clearing up the bottlenecking

  • 04.29.2006 11:28 PM PDT
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To prevent bottlenecking I assume one would need a kickass cpu, lots of decent ram, and a very good motherboard.

  • 04.30.2006 4:55 AM PDT
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Posted by: Anti Battery
To prevent bottlenecking I assume one would need a kickass cpu, lots of decent ram, and a very good motherboard.


Well 4 7900GTXs have a combined processing speed of nearly 8Ghz, with 2GB of dedicated video memory which is far beyond the power of even an FX-60 in a multithreaded application, so having 4 of any kind of card is just a stupid waste of money as you'll see no increase from having 2 or even just 1. That and you need an X16 motherboard, which i believe are only made by intel, so you're stuck with the inferior intel processors.

  • 04.30.2006 6:25 AM PDT
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No, for pci-e slots its 16x total. Not 16x for each pci-e slot. So thatd mean if you have a quad sli setup its 4x to each slot, or for a dual sli setup its 8x for each slot. Also AMD has benched the fx62 which is one of hte new AM2 socket cpu's, and that cant even completely handle a quad sli setup. Theres no need for a quad sli setup for anyone. No one needs that amount of gpu processing power. Theres not a game out there right now that even a single 7800GTX cant handle.

[Edited on 4/30/2006]

  • 04.30.2006 7:29 AM PDT
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Someone before mentioned the geforce 7950 gtx, I've never heard of it, when was it released???

  • 04.30.2006 9:43 AM PDT
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Ok, then where did you get the inforamtion about it, where have you heard of it?

  • 04.30.2006 11:26 PM PDT
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What is the difference between Nvidia's GeForce 7900 GTX and GeForce 7950 GTX? 50?

[Edited on 5/1/2006]

  • 05.01.2006 3:40 AM PDT
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Ok guyz!! First of all the one thing to consider is that SLI is sweet but, The one thing to remember is that one GTX is more than enough and cost is between 525.00 and 600.00 gs!! I will take one and be happy. LOL

  • 05.01.2006 9:49 AM PDT
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Realize that while it is effing fast, it isn't practical and has problems. Every generation of cards bring new features [new pixel shaders, lighting technologies, etc.], that must be supported at the hardware level. Ex., any ATi card before the X1K series did not support HDR and did not support pixel shader 3.0. They just couldn't. So, what happens when you sink thousands into a quad-sli rig, and then in six to eight months the technology is already outdated?

It's great, but its a little excessive and beyond practical. Besides, if sli only gives a 50% advantage over one card...well, quad-sli is not four times the power. In fact, it's not even twice the power.

You can read this review of quad-sli as it would be implemented in almost any system. The list of problems:

-Drivers are unstable
-Only a 2.5% gain over a single GX2 [one of the dual-PCB cards] in 3D Mark 06 - still slower than two X1900XTX's
-Two X1900XTX's absolutely annihilate quad-sli in Serious Sam 2
-In FEAR, quad-sli beats two X1900XTX's by...3 fps
-In Quake 4, an nVidia-favored game, two X1900XTX's -blam!- quad-sli by 25fps
-In Far Cry, two X1900XTX's are still a pinch better than quad-sli
-Quad-sli is currently incompatible with Oblivion

One could argue that it's an early driver release, but with these babies already shipping, that's not much of an excuse. They rush it to market, and what happens? It gets raped by two X1900XTX's, which are both less expensive and easier to obtain.

Unless this is an driver issue, quad-sli is just a gimmick.

[Edited on 5/1/2006]

  • 05.01.2006 10:37 AM PDT
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Posted by: Master Kim
What is the difference between Nvidia's GeForce 7900 GTX and GeForce 7950 GTX? 50?


the 7950 is obviously faster. I forget the exact specs but you can check them out on tomshardware. Also, its alot smaller than the 7900GTX.

  • 05.01.2006 12:32 PM PDT
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We weren't talking about 2 7900's now where we?

  • 05.01.2006 3:08 PM PDT
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Posted by: Chewy Gumball
We weren't talking about 2 7900's now where we?


No, but your example was impractical, comparing a x1900xtx with a 7800GTX is the same as comparing an x850xt PE with a 6600GT, there's a whole model gap between the two.

  • 05.01.2006 3:23 PM PDT
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Posted by: OmniosSpartan
you seem to forget that 2 7900's in SLI wtfpwn the X1900XTX's.......


I just showed you that FOUR 7900GTX cores, each with its own PCB and with an external PSU, cannot compete with two X1900XTX's running off of the pc's internal PSU.

You seem to forget that 2 X1900XTX's wtfpwn 4 7900GTX's.

Either that, or I totally misunderstood.

[Edited on 5/1/2006]

  • 05.01.2006 4:26 PM PDT

* Pr: ĭnʹtərnĕts: "I hear there's rumors on the uh (pause), Internets...

Quad-SLI, like Mr. Davis said, is just a gimmick; it isn't practical, and it costs way too much cash for such a small performance increase, hell, the Crossfire X1900's kick the 7900's ass. But, it could all be ratified in a driver release.

  • 05.01.2006 4:38 PM PDT
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Posted by: fastmatt
So I picked up the current maximum pc, minimum bs issue today, and read a sweet topic in there. It's a preview of the Nvidia's GeForce 7900 GTX Quad SLI. The resolution was about 2560x1600, with anti-aliasing and anisotropic filtering to smooth more than four million pixels. Two of the cards are bolted on top of each other, but only one is plugged into a x16 PCI Express slot, two SLI connectors went between cards A and C and a second between B and D. However, this requires a power supply of 800-1000 watts internally, or an external source. Far Cry was ran at 2560x1600 and got 58.14fps, Doom 3 ran at 78.5fps, and "2560x1600 is just breathtaking."

It should be coming out this by at least this summer, but at a hefty price.

Hate to burst the bubble of you comp creaters but this is why Dell reigns supreme. I got thoes cards 2 not four, with a custom motherboard from Nvidia to handle the power, dell also made the configuration with Flying Colors. 3.8GHZ DCP with asome HardCore mode, meaning it'll run at around 8Ghz for as long as it dosn't over heat. 4 Gigs of ram should do the trick to keep up and most of the wiring is optical, which kills delays that you typically find in composite cables. Best part of all I got ALL THIS for 135.00$ American. Thank Dells 4 yr warentee. The software bundle that came with it is actually pretty impressive, only problem i find myself yielding these bad boys is that there isn't a game on the face of the earth that has a snowballs chance in hell of even pushing it to half it's abilities. Cooling is a major issue though, very hard to run at full sprint for very long, and the impratcial bullshlt you speak of, bothers my attention enough for me to scratch my balls.

[Edited on 5/1/2006]

  • 05.01.2006 5:12 PM PDT
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And again completely changing the scenario outlined in the beginning. Quad SLi right now is impractical.

  • 05.01.2006 5:21 PM PDT

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