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Raspberry Pi Pico vs Arduino Uno R3

Specs side by side, with the best value in each row highlighted. Choose different boards below to build your own comparison.

The short version

  • ›Price: the Raspberry Pi Pico is cheaper ($4 vs $28).
  • ›Speed: the Raspberry Pi Pico runs faster (133 MHz vs 16 MHz).
  • ›Memory: the Raspberry Pi Pico has more RAM (264 KB vs 2 KB).
  • ›Pins: the Raspberry Pi Pico offers more GPIO (26 vs 20).
  • ›Battery life: the Raspberry Pi Pico sleeps at much lower current (800 µA vs 30 mA).
  • ›Logic level: Raspberry Pi Pico is 3.3 V, Arduino Uno R3 is 5 V.
Specification comparison: Raspberry Pi Pico, Arduino Uno R3
SpecRaspberry Pi PicoArduino Uno R3
ChipRP2040ATmega328P
CPUDual Arm Cortex-M0+8-bit AVR
Clock133 MHz (best)16 MHz
Wi-Fi——
Bluetooth——
Zigbee / ThreadNoNo
GPIO26 (best)20
ADC channels3 × 12-bit6 × 10-bit (best)
Flash2 MB (best)32 KB
RAM264 KB (best)2 KB
Logic level3.3 V5 V
Power input1.8–5.5V VSYS / 5V USB7–12V barrel / 5V USB
Deep sleep (typ.)~800 µA (best)~30 mA
Active current (typ.)~25 mA (best)~45 mA
Form factorBreadboardUno
USBMicro-USB (native)USB-B (ATmega16U2)
ProgrammingMicroPython, CircuitPython, C/C++ SDK, Arduino (Earle Philhower core)Arduino C++
Price (typ.)$4 (best)$28
PinoutInteractive pinoutInteractive pinout
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Buy: Raspberry Pi Pico

Buy: Arduino Uno R3

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