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Upgrade from 7800GTX SLI

Last response: in Graphics & Displays
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December 23, 2008 6:53:34 PM

Hi guys,
I heard that stargate worlds will be DX10 so I guess it will be upgrade time leaving DX9 behind. My mobo is an A8n sli deluxe. 4 gigs DDR, silverstone 650 watt zeus ps. 24" monitor. I am thinking of maxing out my pci express version 1.0a slot with a ATI 3870 x2. It has DX10.1 and is a Pci Express x16 version 1 card. Is that the max out for my mobo? Are there better solutions?

More about : upgrade 7800gtx sli

December 23, 2008 6:57:14 PM

Hmm, I would say 4870 1GB is probably a better card, especially for your 24" monitor.

EDIT: PCI-E 1 and 2 are interchangeable, dont worry about needing a PCI-E 1 card.
December 23, 2008 7:00:52 PM

wont i get a throttle down with a 4870 1gb?
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December 23, 2008 7:17:59 PM

That board that you have is a Socket 939 board, meaning that a 4870 X2 would be bottlenecked by even the fastest CPU you can put in that board. Granted with the 24" monitor you are more likely to be GPU bound, but I still think that the X2 would be overkill. I would go for the 1GB 4870 like B-Unit Suggests. Any Video card that is PCI-Express is compatible with your board, New Cards barely use the bandwidth given by PCI-Express 1, so if it is limited it won't be very noticeable. You are more likely to see throttling because of CPU than PCI-E 1.
a c 105 U Graphics card
December 23, 2008 7:19:17 PM

Here's the machine I'm on now. A8n32sli-deluxe/939-4800@2.6/4gig-ocz-platinum/...old card was an 8800gts 640 card. I tried a 4870/512........ seemed to be about max for what this system could handle. Graphics weren't too bad but something was holding the card back a little. drivers I assume.... some textures missing here and there, quite annoying TBH. Another problem was with COD W@W. There was one scene in particular ( but not the only ) where I would get stuttering because the card couldn't keep up with the games demand. ( crysis too ) I swapped it out for one of my XFX GTX260's. Everything is smooth as butter, no missing textures.

You will only get about the same frame rates ( 939 system ) with the 260 as you would have gotten with the 640 card ( older games ) but newer games play smoother. ( no hiccups or problems )

I do have an upgraded gaming machine but i won't bore you with that because it isn't relevant. Hope these comments help.
December 23, 2008 7:28:21 PM

I need to max out my mobo till PCIe 3.0 comes out. GTX260 would still bottle neck with my opteron 185? Why cant the GTX260 be DX10.1?
a c 105 U Graphics card
December 23, 2008 7:35:40 PM

maximiza said:
I need to max out my mobo till PCIe 3.0 comes out. GTX260 would still bottle neck with my opteron 185?


I have a 6850 dual core. I had it up to 3.4 - 3.6ish........ it was still bottle necked. Until we get "stock" 4.0 processors, all video cards are going to be bottle necked regardless of who makes them.
December 23, 2008 7:38:04 PM

It may bottleneck a bit, but its not going to be because you have PCI-E 1
December 23, 2008 7:40:11 PM

DX10.1 not needed?
December 23, 2008 7:52:00 PM

No. DirectX10.1 isnt used by developers, and likely wont be. Most will likely skip straight ahead to DX11.
December 23, 2008 10:10:49 PM

thanks guys!
December 23, 2008 10:19:36 PM

PCIe 2.0 just came out not too long ago. PCIe3.0 is 2 years away, I really doubt a socket 939 chip is going to survive long enough to be able to run modern games.

Also, try not to waste your money on upgrading for vaporware. SGW is about to be shut down offically any day now, Cheyenne Mountain Entertainment hasnt paid their employees in months. And if another dev studio comes along and snags it (like Cryptic did with STO) then it will just further delay launch.
December 23, 2008 10:44:54 PM

yeah nothing even now fully uses the 2.0 bus, and in most cases, not even the 1.0/1.1 bus! imo just save a bit of money and get a 4850, you will see less of a bus bottleneck there...
December 24, 2008 12:18:07 AM

.....except that he has 2 7800GTX's...

The 7950GX2 performed equal to a 8800GTS 640... or close to it at least.

8800GT>GTS640 slightly from what I remember reading.... 4830 beats 8800GT slightly....

4850 would be the minimum to "upgrade" to.... although personally, I wouldn't settle for anything less than an HD4870 (preferably 1gb as you game on 24") as you already have a gfx setup that isn't completely crap yet... I assume you can still run Crysis on lowest settings at Native res? ... and you might be able to run COD4 at medium settings @ native, or some high @ 1680x1050... (Assuming you game at 30fps, not 60fps)

so... final suggestion is: 1gb HD4870 or GTX260 216- as dx10.1 isn't used much (Is it even used by ANY games??? except for the unpatched version of assassins creed of course) It depends on which of the 2 last cards mentioned is cheaper.
December 24, 2008 12:25:35 AM

7950GX2 was garbage in every way. It was a failed frankenstein experiment that had zero driver support. The 8800 cards destroy it. Infact the only test ive ever seen a 7950GX2 beat a 8800 card was in 3dmark 06 fill rate.

His best bet is a 8800GT or a 4830 if hes looking to spend under $130 or so. 4850 if hes willing to hit $150. Any of those single cards will pulverize a 7800GTX SLi setup. That tech is ancient, its going on 4 years old. A single HD 3870 stomps on a 7800GTX SLi setup, and the 8800GT beats the 3870, easy math.
December 24, 2008 12:36:23 AM

spathotan said:
7950GX2 was garbage in every way. It was a failed frankenstein experiment that had zero driver support. The 8800 cards destroy it. Infact the only test ive ever seen a 7950GX2 beat a 8800 card was in 3dmark 06 fill rate.

His best bet is a 8800GT or a 4830 if hes looking to spend under $130 or so. 4850 if hes willing to hit $150. Any of those single cards will pulverize a 7800GTX SLi setup. That tech is ancient, its going on 4 years old. A single HD 3870 stomps on a 7800GTX SLi setup, and the 8800GT beats the 3870, easy math.


The 9800GTX+ is almost scratching the 150$ (165~175)with the rebates on the card so I would might wait a little longer or spend a little extra cash.
December 24, 2008 10:44:41 AM

thanks guys for the info, Cheyenne Mountain Entertainment not paying their employees in months sorta puts a damper on my plans. Waiting a littel longer now, 4870 1GB or GTX260+ looks like best options for me and my senior citizen mobo to play dx10. PCIe3.0 is comming out next year at this time from what I heard so I need one more year with this mobo.
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