Most causual gamers feel that SLI (two or more graphic cards running in parallel) is a waste of resources. This includes Bryan who had just bought his new rig. What's with SLI anyway? Most casual users give the "excuse" that you don't get x2 the performance when you double the cards. I think that this reason is quite invalid. I mean, it is uncommon that you can buy technology where performance is directly proportional to it's price. Take for instance a television set. Is the price of a 32 inch LCD half the price of a 65 inch one? I think not. The price of the 65 incher is a great deal more than the 32! Or more specifically, LOADS more than double the price of the 32 incher (~US$9,999 vs ~US$1,299)!
OK. To be fair, most users do not require such a beefy graphics component. This gives them little reason to do so. Nevertheless, I still insist that SLI-ing 2 mid range cards (e.g. x2 8800GTS 512MB) is cheaper alternative and is much more worth than dumping all your cash on a single extreme version (e.g. 9800GX2). In fact, the performance of the dual GTSes can rival the ludicrously pricey GX2! Just take a peek:
A real-time benchmark that you can trust
Finally, with the advent of one of the finest BftB (Bang for the Buck) cards, the 8800GT and maybe the 8800GTS 512MB as well, there's no better time to get your grip on an SLI rig.
Note: The same goes for AMD/ATI's Crossfire.
Impressed now?T'ang
(benchmark results from http://www.extremetech.com/image_popup/0,1694,iid=203330,00.asp)
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