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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.
Product PI 4 Model B PI 3 Model B+ PI 3 Model A+ PI Zero W SoC BCM2711 BCM2837B0 BCM2837B0 BCM2835 Speed 1500MHz 1400MHz 1400MHz 1000MHz RAM 2 to 8 GB 1GB 512MB 512MB USB Ports 2 × USB 3.0 + 2 × USB 2.0 ports 4 × USB 2.0 ports Single USB 2.0 ports Micro USB Ethernet Gigabit Ethernet 1000Base-T No No Wireless 802.11ac 802.11ac/n 802.11ac/n 802.11n Bluetooth 5.0 4.2 4.2 4.1 Recommended PSU current capacity 3A 2.5A 2.5A 1.2A Maximum total USB peripheral current draw 1.2A 1.2A Limited by PSU, board, and connector ratings only Limited by PSU, board, and connector ratings only Typical bare-board active current consumption 500mA 500mA 350mA 150mA Video&Audio 2 × micro-HDMI ports (up to 4kp60 supported), 2-lane MIPI DSI display port, 4-pole stereo audio and composite video port 1 × full size HDMI, MIPI DSI display port, 4 pole stereo output and composite video port Full-size HDMI, 4-pole stereo output and composite video port 1080P HD video & stereo audio via mini-HDMI connector Storage MicroSD card MicroSD card MicroSD card MicroSD card GPIO Extended 40-pin GPIO header Extended 40-pin GPIO header Extended 40-pin GPIO header Extended 40-pin GPIO, unpopulated
Now enjoy your first Rapsberry PI!