if you ran your lights for 6 hours per day, 7 days a week (so 42 hours a week) and you wanted to compare 24/7 SLI 480gtx (using anand's number of ~850watts for the total system at peak), you'd basically spend 8kwh on your lights versus 632kwh on your computer. In terms of money, that'd be 1$ vs 95$ (assuming about 14.5cents per kwh). If you are in Europe, you can double those numbers to accommodate for the ridiculous electricity prices. Using your initial example, that would mean you could run your lights for something like 8 years before you spend the money you would've spent on crunching.
I sure hope HPC people are looking at this and wondering if there's a way they could potentially get fission reactors ready to power a cluster of these...
So anyway, this card is so hot it'll take it's own dedicated water loop, it's so bad in price/perf that it won't be attractive to anyone making less than 100000$/year and it'll get re-released in 6 months with all the bits unlocked when they finally figure out how to make it work properly.
I'm going to pass on that crapola.





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