 Link | Raspberry PI Pico | Seeeduino Xiao |
|---|---|---|
| Description | Raspberry PI microcontroller, not a full computer, smiliar to Arduino nano. | |
| Website | raspberrypi.org/... | seeedstudio.com/... |
| Image |  |  |
| Price | $ 4 | $ 5 |
| Release date | Jan. 21st 2021 | Mar. 12th 2020 |
| Width | 51 mm | 20 mm |
| Height | 21 mm | 17.5 mm |
| Depth | 3.9 mm | |
| Weight | 3 g | |
| Wi-Fi | No | No |
| Bluetooth® | No | No |
| Built-in speaker | No | No |
| RAM | 264 KB | 32 KB |
| Gyroscope | No | No |
| HDMI port | No | No |
| Ethernet (LAN, RJ45) | No | No |
| Accelerometer | No | No |
| USB | Yes micro-USB (USB 1.1 Device / Host) | Yes USB C |
| Short name | Raspberry PI Pico | |
| Magnetometer | No | |
| Front view |  |  |
| USB Host | Yes | Yes |
| Built-in microphone | No | No |
| CPU | RP2040 dual-core Arm Cortex-M0+ | ARM® Cortex®-M0+ 32bit SAMD21G18 |
| SOC Type | - | |
| Core Type | RP2040 dual-core Arm Cortex-M0+ | Single Core - arm(r) Cortex-M0+ SAMD21G18 |
| No. Of Cores | 2 | 1 |
| CPU Clock | 133 MHz | 48 MHz |
| Ethernet | No | No |
| SATA Ports | No | No |
| Analog Audio Out | No | No |
| Analog Audio In | No | No |
| Analog Video Out | No | No |
| SPI | Yes x2 | Yes |
| I2C | Yes | Yes |
| GPIO | Yes 26-pins | Yes 11 Pins |
| LCD Panel | No | No |
| Camera | No | No |
| SD/MMC | No | No |
| Serial | - 2x UART | Yes 1x UART |
| Hall effect sensor | No | No |
| RTC | Yes | No |
| Power sources | microUSB, GPIO | USB Type-C 5V, Pin 11 3V3 |
| Programming Language | MicroPython, C/C++ | CircuitPython, MicroPython, C/C++ |
| UART | x2 | x1 |
| I²C | Yes x2 | Yes |
| GPIO | 26 | 11 |
| PWM | Yes x16 | Yes x10 |
| ADC | Yes x3 12-bit | Yes x10 12-bit |
| DAC | No | Yes x1 |
| Power Over Ethernet | No | No |
| Temperature sensor | Yes | No |
| ROM (Flash) | 2 MB (up to 16 MB) | 256 KB |
| Deep sleep consumption | 1.3 mA | |
| Operating voltage | 3.3 V | 3.3 V |
| Arduino support | - Planned | - IDE Arduino ok |
| Drag & Drop upload | Yes | Yes |
| EEPROM | No | No |
| Vin Min-Max | 1.8V - 5.5V | 3.3V - 5V (5V only via USB - all other pins max 3.3V) |
| Pinout image |  | |
| Interface PCIe | No | No |