Question: what is the difference between raspberry pi 2 and 3?
Answer: Quite the opposite. The Raspberry Pi 2 has a quad-core 900MHz CPU, the Pi 3 a quad-core 1.2GHz one. Both have 1GB RAM and both use a fourth-generation VideoCore CPU. ... While they're both designed to deliver 1080p video rather than 4K, this means the graphics chip has been scaled up with the CPU.