Link	Raspberry PI Pico	Arduino Nano RP2040 Connect	Seeeduino Xiao	Arduino Nano Every	Arduino Nano 33 BLE	Arduino Nano	Arduino Pro-Mini 3v3	Arduino Micro	BBC Micro:bit v2	BBC Micro:bits
Image
Website	raspberrypi.org/...	arduino.cc/...	seeedstudio.com/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	microbit.org/...	microbit.org
Release date	Jan. 21st 2021	May 17th 2021	Mar. 12th 2020	2019		May 15th 2008		Nov. 8th 2012	Oct. 13th 2020	2015
Price	$ 4	$ 24.5	$ 5	€ 9	€ 17	€ 20	€ 6		$ 15	$ 15
Pinout image
Product details
CPU	RP2040 dual-core Arm Cortex-M0+	RP2040 dual-core Arm Cortex-M0+	ARM® Cortex®-M0+ 32bit SAMD21G18	ATMega4809	nRF52840	ATmega328	ATmega328	ATmega32U4	nRF52833 Arm Cortex-M4 32 bit with FPU	nRF51822 ARM Cortex-M0 32 bit
CPU Clock	133 MHz	133 MHz	48 MHz	20 MHz	64 Mhz	16 Mhz	8 Mhz	16 MHz	64 MHz	16 MHz
RAM	264 KB	264 KB	32 KB	6 KB	256 KB	2 KB	2 KB	2.5 KB	128 KB	16 KB
ROM (Flash)	2 MB (up to 16 MB)	16 MB	256 KB	48 KB	1,024 KB	32 KB	32 KB	32 KB	512 KB	256 KB
EEPROM	No	No	No	Yes 0.25 KB (256 B)	No	Yes 1 KB	Yes 1 KB	Yes 1 KB
Vin Min-Max	1.8V - 5.5V	5V - 21V	3.3V - 5V (5V only via USB - all other pins max 3.3V)	7V - 21V	7-21V	7V - 21V	3.35 -12 V (3.3V model)	7V - 9V
Operating voltage	3.3 V	3.3 V	3.3 V	5 V	3.3 V	5 V	3.3 V	5 V	3.3 V	3.3 V
Current typical consumption @25°C	88 mA						5 mA
Deep sleep consumption	1.3 mA						1.2 mA
USB	Yes micro-USB (USB 1.1 Device / Host)	Yes micro-USB	Yes USB C	Yes micro-USB	Yes micro-USB	Yes mini-USB	No FTDI necessary		Yes micro-USB	Yes micro-USB
Connectivity
GPIO	26	20	11	14	14	14	14	20	19	19
UART	x2	x1	x1	x1	x1	x1		x1	x1	x1
I²C	Yes x2	Yes	Yes	Yes x1	Yes	Yes x1	Yes x1	Yes	Yes	Yes
ADC	Yes x3 12-bit	Yes x8	Yes x10 12-bit	Yes x8 10-bit	Yes 8 (ADC 12 bit 200 ksamples)	Yes x8 10bit	Yes x8 10-bit	Yes	Yes x6 10-bit	Yes x6 10-bit
PWM	Yes x16	Yes x20	Yes x10	Yes x5	Yes	Yes x6	Yes x6	Yes	Yes x3	Yes x3
DAC	No	No	Yes x1	No	No	No	No	No	No	No
SPI	Yes x2	Yes	Yes	Yes 1	Yes	Yes x1	Yes x1		Yes x3	Yes x3
USB Host	Yes	Yes	Yes	No		No	No		Yes	Yes
RTC	Yes	No	No	No		No	No	No	No	No
Bluetooth®	No	Yes	No	No	Yes + BLE	No Via external module + requires suitable code	No	No	Yes BLE 5.1	Yes BLE 4.0
Wi-Fi	No	Yes	No	No		No Via external module + requires suitable code	No	No	No	No
Sensors
Accelerometer	No	Yes	No	No	Yes 3 axis	No		No	Yes	Yes
Gyroscope	No	Yes	No		Yes 3 axis	No		No
Magnetometer	No	No			Yes 3 axis	No		No	No	No
Temperature sensor	Yes	No	No	No		No		No	Yes	Yes
Built-in microphone	No	Yes	No	No	No	No		No	Yes	No
Built-in speaker	No	No	No	No	No	No		No	Yes	No
Hall effect sensor	No	No	No	No	No	No		No	No	No
Touch sensors					no	no			Touch-sensitive logo pin	-
Security
Cryptography support		ECC608 Cryptography chip
Software
Programming Language	MicroPython, C/C++	C/C++	CircuitPython, MicroPython, C/C++	C/C++	C/C++	C/C++	C/C++	C/C++	MicroPython, C/C++, Code blocks, Arduino	MicroPython, C/C++, Code blocks, Arduino
Arduino support	- Planned	Yes	- IDE Arduino ok	Yes	Yes	Yes	Yes	Yes	- Possible	- Possible
Drag & Drop upload	Yes	Yes (to be confirmed)	Yes	No		No	No	No	Yes	Yes
Dimensions
Height	21 mm	17.78 mm	17.5 mm	18 mm	18 mm	18.54 mm		18 mm	43 mm	43 mm
Width	51 mm	43.18 mm	20 mm	45 mm	45 mm	43.18 mm		48 mm	52 mm	52 mm
Front view
Links
Wikipedia				wikipedia.org/...		wikipedia.org/...		wikipedia.org/...	wikipedia.org/...	wikipedia.org/...
Website	raspberrypi.org/...	arduino.cc/...	seeedstudio.com/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	arduino.cc/...	microbit.org/...	microbit.org