The system contains 18, 688 nodes, with each node containing an AMD 16-core Opteron and a NVIDIA Tesla K20X GPU accelerator.

FORBES: Cray Claims The Fastest Supercomputing Crown With The NVIDIA-Powered Titan

The Cray XK7 system contains 18, 688 nodes, with each holding a 16-core AMD Opteron 6274 processor and an NVIDIA Tesla K20 graphics processing unit (GPU) accelerator.

ENGADGET: Cray's Jaguar supercomputer upgraded with NVIDIA Tesla GPUs, renamed Titan

Now it is up to customer demand to deliver those top-line numbers--in particular, demand for flash memory chips in advanced cell phones as well as strong sales of AMD's 64-bit Opteron processor for computer servers, due to launch on April 22.

FORBES: AMD Learns To Share

Additionally, the new line-up of Opteron chips based on the Bulldozer micro-architecture further strengthens AMD?s ability to offer greater choices to a data-starved base of enterprises and growing cloud customers.

FORBES: AMD's Server Market To Rebound After A Dismal Q2

In October the Oak Ridge National Laboratory announced an effort to build the world's fastest supercomputer, which will use AMD Opteron chips and 18, 000 of Nvidia's graphics-processing units.

FORBES: Magazine Article

While both Opteron and Itanium ran newer 64-bit software, AMD's chip was also backward-compatible, enabling it to run software written for older 32-bit processors.

FORBES

On Thursday, AMD announced the widespread availability of its new 45-nanometer quad-core Opteron processor ahead of schedule.

FORBES: Chips Ahoy