Typically, a supercomputer. However by modern definitions this may not be an accurate phrase any longer, as most supercomputers were built some time ago and can be outclassed by vastly smaller, more efficient, and more powerful designs now.
For example: A 40 processor 486-based supercomputer can provide enormous power even by today's desktop standards, but is easily outclassed by a single IBM Cell processor, or even a triple-core POWER6.
Jaguar - The World's Fastest Computer - AMD
Currently, China has the fastest computer
The Vortex F6 computer by Liquid Nitrogen Overclocking, Inc. is the fastest desktop computer in the world, which has a 5.2 GHz i7-3960X chip. ~Chris
While the fastest computers currently on the market are desktops, laptops can rival 95% of the world's desktops in processing power and overall speed.
The most powerful (thus fastest) super-computer in the world is in Japan. Its name is the "Computer K." While the most powerful super-computer in the US is the Jaguar Super-Computer and is located in California.
It depends what type of computer you're talking about but the fastest computer in the world regardless of the type is China's Tianhe-2 supercomputer at 33.86 petaFLOPS, or 33.86 quadrillion floating point operations per second.
Blue gene by IBM is the fastest right now.The IBM Sequoia
Cray
Very fast thats why they are super computers
World's fastest computer at present isAnswer ChoicesAnswerChoicePopularityA. ASCI Purple27%B. Deep Blue25%Your Choice (Incorrect)C. Param32%D. Earth Simulator
It is the fastest in the world. And it's shiny!
laptop,Toshiba