Raspberry Pi Models

 

Raspberry Pi 3 B+


The Raspberry Pi is a microcomputer board with an ARM core in a System On a Chip (SoC) with RAM piggybacked on top of it in 256MB to 1GB configurations, and having some form of network connectivity (with the exception of the RPi Zero and RPi 1 A+). It is expected on those units that you will add a network dongle if you need to get to a network.

There are several versions of the Raspberry Pi board that are available at the time of this writing. I believe the following is a complete list. Several versions may fall off in January 2020, due to obsolescence.

Model# Bits# CoresCPU speedRAMETHWirelessBluetoothForm Factor
Raspberry Pi 3 Model B+6441.4GHz1024MB1GB2.4GHz/5GHz4.2/BLEStandard
Raspberry Pi 3 Model A+6441.4GHz512MB-2.4GHz/5GHz4.2/BLECompact
Raspberry Pi 3 Model B6441.2GHz1024MB100Mb2.4GHzBLEStandard
Raspberry Pi 2 Model B3240.9GHz1024MB100Mb--Standard
Raspberry Pi 1 Model B+3210.7GHz256-512MB100Mb--Standard
Raspberry Pi 1 Model A+3210.7GHz256MB---Compact
Raspberry Pi Zero W3211GHz512MB-2.4GHz4.1/BLEZero
Raspberry Pi Zero3211GHz512MB---Zero

The 3A+, 3B, 3B+, Zero and Zero W are the current release versions, although RPF says they plan on continued production of the others until early 2020. I would still stick to the later versions, simply for their enhanced performance. It is not unreasonable to spend $45.00 on a computer and power supply to run a resource intensive application, so the 3B or 3B+ are great for computer-like problem solving. If you are solving a problem that doesn't require a full desktop, the Zero and Zero W might be a better match.

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