Raspberry PI comparison between latest models

You explored the infinite world of Raspberry PI projects (some available here) and now you want to buy your first raspberry PI card. So, you google or search your favourite e-commerce website and discover that there are different models. And now you ask youself, what are the differences? Don’t worry, you can find below a simplified table comparing main features of latest RPI models!

This table summarizes what you can find in official Raspberry Pi Foundation Docs.

ProductPi 3 Model B+Pi 3 Model A+Pi Zero W
USB Ports4 × USB 2.0 portsSingle USB 2.0 portsMicro USB
Recommended PSU current capacity2.5A2.5A1.2A
Maximum total USB peripheral current draw1.2ALimited by PSU, board, and connector ratings only.Limited by PSU, board, and connector ratings only.
Typical bare-board active current consumption500mA350mA150mA
Video&Audio1 × full size HDMI, MIPI DSI display port, 4 pole stereo output and composite video portFull-size HDMI, 4-pole stereo output and composite video port1080P HD video & stereo audio via mini-HDMI connector
StorageMicroSD cardMicroSD cardMicroSD card
GPIOExtended 40-pin GPIO headerExtended 40-pin GPIO header40-pin GPIO, unpopulated

Now enjoy your first Rapsbeyry PI!

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