Sounds more like a supercomputer than a game machine, but here are the basics:"...the computers are made of cells, each one containing a CPU, which will probably be a PowerPC, and eight APUs (vector processors) each with 128K of memory.

It will run at 4GHz, producing a not inconsiderable 256Gflops, with the cells connected to the central 64MB memory through a switched 1024 bit bus."

Sounds like a total monster, not to mention a complete bear to program.

Read the entire article at the above link.