https://newatlas.com/raspberry-pi-4b/60275/

Since the first Raspberry Pi mini computer went on sale in early 2012, the boards have become firm favorites in the maker community. The latest version is now over a year old, so an update is long overdue. The Raspberry Pi foundation has just announced the next generation Pi, which represents a significant upgrade and now offers makers the choice of 1, 2 and 4 GB flavors of memory.