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8800GTX, do I replace with 2x 4870s in crossfire?

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Hi there. I'm running an eVGA 8800GTX 768MB card at the moment. It's great. BUT, I'm looking to upgrade. I have a GigaByte 965P DS3P motherboard. It's capable of Crossfire, runs the PCI at x16 and x4. I don't really know what that means, but apparently it makes a difference when choosing a new GPU. SO, I'm figuring the best bang for buck is to get two 4870s and crossfire them. I won't have to buy anything else. BUT, is it worth getting a new motherboard and buying a secondhand 8800GTX for SLi, it would work out roughly the same cost, but be more hassle. Which would run games better? I'm guessing the 4870s would win, right?

More about : 8800gtx replace 4870s crossfire

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Graphics card Master
Motherboard Master

Hello and welcome to the forums :) 
2x4870s would be a great upgrade but 965 Chipset supports CrossFire @ 16x4x which won't perform very well compared to dual 8x or dual 16x
http://www.tomshardware.co.uk/forum/page-245454_15_0.ht...

"The last one is 16x 4x, this one is the weakest and doesn't perform very good compared to dual 8x or dual 16x,so i won't recommend it for Multi-GPU configuration. Intel P35 and P965 chipsets support Multi-GPU at 16x 4x mode."

Best solution

whatTwoboxer said
"""is it worth getting a new motherboard and buying a secondhand 8800GTX for SLi"""

as a 8800gtx owner i say no! :non:  you will still own old tech its better to buy new tech either ati's new cards out now, or wait till the g300 nvidia cards come out in 2-3 months
"""Which would run games better?"""

at the mo. for best graphics and speed combined to furture proof yourself for 2-4 years get the ati 5870 (as im about to as well) :bounce: 

ps what monitor and res do you use?
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