The Raspberry Pi 3 Model B+ also has faster ethernet at 300 Mbps. Additionally, it introduced an all-new Power over Ethernet (PoE) support (users need to buy a separate PoE module, though).

The Raspberry Pi 4 delivers loads of features compared to the Raspberry Pi 3 Model B+. Here are the major differences between the two devices.

The Raspberry Pi 3 Model B — last year’s model — featured a BCM43438, ... the port is missing from the schematics on the RPI foundation page. Lots of mentions of the hat but no hat.