The Raspberry Pi 4 Model B is a small desktop computer with 2GB of RAM and a quad-core Cortex-A72 processor by Broadcom. It is most suitable for casual computing and offers various connectivity options such as Micro-HDMI, USB 3.0, USB 2.0, and USB-C. Its compact form factor makes it ideal for small spaces, and its low power consumption makes it an energy-efficient choice for everyday use. With a processor speed of 1.50 GHz, this Raspberry Pi model delivers smooth performance for everyday tasks.
I used this to make a retro game for my friend. The USB3 ports are a plus and the 2 micro-hdmi ports. I also love that they upgraded to USB C for the charging port. It is snappy and a great upgrade from the 3b. I'll definitely be going with 4b or 5 in the future.