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Old 12-22-2010, 11:35 PM   #1
xxxsniper754
 
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Well I was gonna recently sell my gaming rig on craigslist for 750 bucks but Empire total war and ARMA 2 has tweaked my interest and Im ready to play again. I have a 1tb harddrive, Nvidia gtx 260, 8gb ddr2 ram, and an AMD Phenom II x4 processor. I plan on upgrading by buying another Nvidia gtx 260 and SLI so I can play Empire and ARMA with lots of units and less lag. I have 2 questions. What is the difference between crossfire and SLI? Does it matter if the graphic card I buy to SLI with my other 1 is a different brand? Say I get a EVGA gtx 260 216 core to SLI with my BFG gtx 260, would this work?
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Old 12-22-2010, 11:40 PM   #2
MotionTracker
 
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Does your BFG GTX 260 have 216 cores? They have to be matching GPUS.

SLI is for Nvidia GeForce graphics card. CrossfireX is for ATI Radeon graphics card. It's for running two or more of the same GPU for double of the perfomance.
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Old 12-22-2010, 11:40 PM   #3
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What are your full system specs, such as motherboard, OS, etc.?

SLI = Running more then one NVIDIA graphics card of the same type.
CrossFire = Running more then one AMD/ATI graphics card of the same type.
Hybrid-CrossFire = Running more then one AMD/ATI graphics card along side an IGP.

AMD setups usually do not have SLI options, unless you have an NVIDIA NForce-based motherboard chipset.

If it's AMD chipset then this only supports AMD/ATI CrossFire.

As far as using those two video cards in SLI, they both must be the same type (not brand).
If one is GTX 260 (216 core) and the other is the older GTX 260, SLI will not work.

If you want better performance, I suggest just getting a newer card, like a GTX 460.
Then perhaps just sell those two GTX 260 cards. Even if you ran dual GTX 260 in SLI, a single GTX 460 would be faster overall. The rest of your setup isn't too bad. I would just stick with it for time being.

For better performance maybe go with an SSD and/or a better video card.

Last edited by Bad_Motha: 12-22-2010 at 11:46 PM.
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Old 12-22-2010, 11:46 PM   #4
xxxsniper754
 
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no the BFG is not 216 core and my motherboard is an ASUS M3N72-D. It says on it also "Nvidia nForce 750a SLI." I have Windows 7 Premium 64-bit.
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Old 12-22-2010, 11:47 PM   #5
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You can SLI with that board, but you don't have matching GTX 260 cards, so in your case it will not work.

Considering the price of another GTX 260 (216 core), I would just sell those and get a GTX 460 (or better if you can).
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Old 12-22-2010, 11:49 PM   #6
xxxsniper754
 
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alright thanks, also is there anyway in finding out my power supply without opening my case and looking?
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Old 12-22-2010, 11:55 PM   #7
MotionTracker
 
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I think it would be much better if you just upgraded to a GeForce GTX 400 or GTX 500 series graphics card. Most of the GTX 260's are not for sale anymore. Most of them are refurbished/recertified. There are some stores that still have for sale but due to supply & demand, they raise the price on them.

Quote:
Originally Posted by xxxsniper754 View Post
alright thanks, also is there anyway in finding out my power supply without opening my case and looking?
Is this a brand name pc such as a Dell, HP, Acer, Gateway, and etc? If it is, then you use tell us what you have and the model number.

If your PC is a custom built, then you must open the side panel and take a look.

Last edited by MotionTracker: 12-22-2010 at 11:57 PM.
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Old 12-22-2010, 11:58 PM   #8
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No software can tell you your power supply. You need to open the case. It should just be a single side panel to open, then look for the large square power supply, then look for a sticker which states the specs of it and the overall wattage, brand, model#

The sticker isn't always on the left-hand side of the case, which is typically where the main side panel is. Sometimes the sticker might be on the opposite side of the power supply, or even on the top.

I already said above that one GTX 460 would be better than dual GTX 260s.
Although I was using the GTX 460 merely for reference. Pretty much any card in the GTX 400/500 series would be better overall. Just don't get anything in the GT/GTS 400 series. Those are lower end replacement cards are aren't generally good for gaming.

Last edited by Bad_Motha: 12-23-2010 at 12:01 AM.
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Old 12-23-2010, 12:03 AM   #9
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its a custom pc, and thanks for the help guys.
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