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From @thegrugq

1978, the Cray-1 supercomputer cost $7 million, weighed 10,500 pounds and had a 115 kilowatt power supply. It was, by far, the fastest computer in the world,” Longbottom writes of the device, designed as the flagship product of Seymour Cray’s high-performance computing company. “The Raspberry Pi costs around $70 (CPU board, case, power supply, SD Card), weighs a few ounces, uses a five watt power supply and is more than 4.5 times faster than the Cray 1