How Crash Bandicoot Hacked The Original Playstation
This video looks at not only the game design principles, but also the tricks the developers used to get every bit of performance and push boundaries to make Crash Bandicoot a really ground breaking game for it’s time. Contains a nice section which compares the CPU and GPU. Also comparing RAM to secondary storage (CD)
Making a CPU
This is a fascinating series that creates a computer from a single chip. It gets very deep on the electronics very quickly. Proceed with care.