The PlayStation Portable's CPU is a MIPS R4000 (32-bit) CPU, split into two cores each operating between 1 and 333 MHz. The primary CPU core is responsible for traditional game processor functions; the secondary core, dubbed the \"Virtual Media Engine\", is responsible for decoding multimedia, for example the H.264 decoder. During GDC, Sony claimed it has currently capped the PSP's CPU at 222 MHz in hopes of prolonging battery life. When battery technology catches up with the PSP, Sony could remove the cap and allow the PSP to function at peak performance. The system has 32 MB of main RAM and 4 MB of embedded DRAM.

Most P2P systems already have PSP formatted content available, and several PSP-oriented Bittorrent sites have sprung up, specifically offering video content and themes specifically formatted for compatibility with the PSP.


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