AMD Powers World's Fastest Computer; UT's Ranger at No. 9
The fastest computer in the world -- the Cray XT5 at Oak Ridge National Laboratory -- is powered by more than 37 thousand processors from Advanced Micro Devices.
Known as "Jaguar", the supercomputer contains about 37,376 AMD processors and is built using AMD six-core Istanbul Opteron chips running at 2.6 gigahertz. That type of horsepower allows Jaguar to make a world-best 1,759 trillion calculations per second.
Ranger, the crown jewel of the The University of Texas' Advanced Computing Center, is listed as the ninth-most powerful computer. Ranger, which can do 433.2 trillion operations per second, debuted at No. 4 last year.
The top six computers on the list are all new or upgraded this year, and eight of the top 10 are in the United States.
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