Ps3
Mostly used to watch movies to be honest
CPU
The PS3 contain a Cell processor and all the details about coding for it can be found on the page about it.
GPU
Nvidia RSX that have 256 MB GDDR3 memory. Accessed by the PPU and SPUs with DMA.
Memory
256 MB system ram used by the PPU and accessible by the SPUs with DMA.
Controller
Sixaxis and later DualShock 3. Later the PlayStation Move was added as a motion-sensing game controller.
Reference
The PlayStation 3’s SPUs in the Real World: A Killzone 2 Case Study - 2009
PlayStation 3 Architecture
https://www.copetti.org/writings/consoles/playstation-3/