How about HD6990 versus GTX690? Ha? Did I hear something?
How much more powerful is this card than my X-fire 5980? they are getting a little long in the tooth, so Is it worth the upgrade?
A 5980 would be about as fast as a nVidia 670 or AMD 7970. Roughly. The nVidia 680 is almost as fast as a 6990 and it's only a single GPU. A 6990 will still set you back around $700 or so unless you can find a deal on a used one. The Devil 13 7990 basically un-buyable.
That all being said, buy a 680 or 7970 and get about the same performance as a 6990 in most cases but save a lot of cash. Or, drop $1000 on a pair of 680's/7970's or a 690. Any of those options would be better in most cases. The 6990 would only really be better than a single 680 in really large resolutions (2560x1600) and triple screens. Those are areas that dual GPU's start to outpace even the best single GPU cards. Even if they are generation older.
Ok Prophet time to do some shopping at weekend then, thanks for the Advice.
A 6990 is a monster of a card still. But has the drawbacks of the AMD drivers. Wide Screen Gaming Forums had a nice article about this a few months back. The compared the AMD, nVidia, and Matrox triple screen solutions. In the end the very "team red" site handed the flag to nVidia now. Basic reason, AMD is the more wonky in triple screen, especially in a multi GPU config. If on a single screen you will have little to no issue most of the time though. nVidia had zero issues in there testing. From my point I have tried both a CF 7970 setup and my current 680 SLI setup. Some games ran faster on the 7970's, but had more stutter and other issues. I had a couple games just flat not want to run at all unless in single screen mode. On my SLI 680's only that little game "From Dust" I can not get to work. Aside from that and game that will support custom resolutions works flawlessly, so far. Always time for nVidia to jack up a driver. lol
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