The Raspberry Pi 4, on the other hand, is the predecessor of the Raspberry Pi 5. It was released in 2019, just a few months before the world shut down due to COVID-19.

We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is why it might have flown a little bit under the radar: the Raspb… ...

This case offers several important features for the Raspberry Pi 4, including excellent active and passive cooling, full-sized HDMI ports, and an M.2 SSD socket.

The Raspberry Pi 4-based Computer Module is now available for purchase from $25. ... Instead of the 40 GPIO pins on the Raspberry Pi 4, the Compute Module 4 features 28 GPIO pins, ...

The Raspberry Pi 4’s GPIO header also supports more connections, with UART, SPI, and I2C interfaces each supported on four additional pins, and with fixed support for clock stretching over I2C ...

With configurable memory amounts, gigabit Ethernet, and dual-display output, the Raspberry Pi 4 is an excellent tiny desktop computer for tinkerers and programming enthusiasts.

The Raspberry Pi 5’s manual even calls for a 5V 5A USB-C adapter vs. the Pi 4’s 5V 3A minimum spec. That’s not a massive difference, but it’s worth noting if you plan to deploy many boards ...