Raspberry PI comparison between latest models

Last updated on September 15th, 2020


You explored the infinite world of Raspberry PI projects (some available in my best raspberry pi projects list) and now you want to buy your first raspberry PI card. 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 4 Model BPI 3 Model B+PI 3 Model A+PI Zero W
Raspberry PI 4 model B imageRaspberry PI 3 Model B+ imageRPI 3 model A+Raspberry PI Zero W unpopulated
RAM2 to 8 GB1GB512MB512MB
USB Ports2 × USB 3.0 + 2 × USB 2.0 ports4 × USB 2.0 portsSingle USB 2.0 portsMicro USB
EthernetGigabit Ethernet1000Base-TNoNo
Recommended PSU current capacity3A2.5A2.5A1.2A
Maximum total USB peripheral current draw1.2A1.2ALimited by PSU, board, and connector ratings onlyLimited by PSU, board, and connector ratings only
Typical bare-board active current consumption500mA500mA350mA150mA
Video&Audio2 × micro-HDMI ports (up to 4kp60 supported), 2-lane MIPI DSI display port, 4-pole stereo audio and composite video port1 × 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 cardMicroSD card
GPIOExtended 40-pin GPIO headerExtended 40-pin GPIO headerExtended 40-pin GPIO headerExtended 40-pin GPIO, unpopulated

Now enjoy your first Rapsberry PI!

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