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Today, in 24 hours of non-stop running, Dual-GPU GeForce GTX 295's are capable of running a protein folding simulation at 1400 nanoseconds, or 1.4 milliseconds. That means that unfortunately, we need 714 GTX295's to simulate a single second of protein folding. If you want to simulate 24 hours, you need 61,689,600 GeForce GTX 295 graphics cards, i.e.123,379,200 GT200-class graphics processors. Before you ask - yes, that number is higher than the overall number of every manufactured GT200 chip in the world. And that was "just" for Folding@home. At that time,a single CPU core was able to process around 4 [yes, four] nanoseconds,i.e. 150 times slower than the GeForce GTX 280, yet alone newer GPUs.For 24 hours of protein simulation you need 123 million GT200 GPUs or18,506,880,000 Core 2 CPUs. Yes, that's 123 million versus 18 billion.