The Raspberry Pi 4 B offers 802.11ac Wi-Fi, the same as the Raspberry Pi 3 B+, but sports Bluetooth 5.0, compared to Bluetooth 4.2 on the Raspberry Pi 3 Model B+.

While the Raspberry Pi 4 and Raspberry Pi 3 Model B+ look almost identical (they measure 85 mm x 56 mm, and the board layout is similar), their input/output ports are anything but.

Raspberry Pi 4 Model B is out: Faster CPU, GPU, dual-screen 4K, up to 4GB for $55; Raspberry Pi users: You got Pi 4, now new Raspbian takes Windows 10, iOS design cues; ...

The Raspberry Pi 4 Model B is the most capable and versatile of any Pi that’s come before and the Desktop Kit makes its entire setup as easy as possible.