Part comparison

Arduino Nano RP2040 Connect vs Arduino UNO R4 WiFi

A side-by-side comparison of source-backed specifications within the same subcategory.

19 shared specs6 scored

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ArduinoArduino Nano RP2040 ConnectABX00052

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ArduinoArduino UNO R4 WiFiABX00087

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Directional spec summary

Counts across 6 numeric specifications with a clear higher-or-lower direction.

Part A leads

Tied

Part B leads

These are metric-by-metric differences, not an overall performance score. Check the values below.

Specifications

19 specifications compared side by side.

Arduino Nano RP2040 Connect / Arduino UNO R4 WiFi
Compare bySpecification	AArduinoArduino Nano RP2040 Connect	BArduinoArduino UNO R4 WiFi
Electrical3
Minimum input voltageUse-dependent	5 V	6 V
Maximum input voltageUse-dependent	18 V	24 V
Logic voltageUse-dependent	3.3 V	5 V
Control & communication16
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;embedded_control	education;robotics;wireless_embedded_control
Processor vendorUse-dependent	Raspberry Pi;u-blox	Renesas;Espressif
ProcessorUse-dependent	RP2040;NINA-W102	RA4M1;ESP32-S3
Processor architectureUse-dependent	ARM Cortex-M0+	ARM Cortex-M4;Xtensa LX7
Processor cores	2	31 higher
Processor clock	133 MHz	240 MHz107 MHz higher
RAM	0.2578 MB	0.5195 MB0.2617 MB higher
Flash	16 MB15.75 MB higher	0.25 MB
USB interfaces	1	1
GPIO	228 higher	14
Wireless interfacesUse-dependent	Wi-Fi 802.11b/g/n;Bluetooth;Bluetooth LE 4.2	Wi-Fi;Bluetooth
Communication interfacesUse-dependent	Wi-Fi 802.11b/g/n;Bluetooth;Bluetooth LE 4.2;USB;GPIO	Wi-Fi;Bluetooth;UART;I2C;SPI;USB
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RP2040	RA4M1;ESP32-S3

AArduinoArduino Nano RP2040 Connect

BArduinoArduino UNO R4 WiFi

Electrical3

Minimum input voltageUse-dependent

Part A5 V

Part B6 V

Maximum input voltageUse-dependent

Part A18 V

Part B24 V

Logic voltageUse-dependent

Part A3.3 V

Part B5 V

Control & communication16

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AMicrocontroller board

Part BMicrocontroller board

Primary applicationUse-dependent

Part Aeducation;robotics;embedded_control

Part Beducation;robotics;wireless_embedded_control

Processor vendorUse-dependent

Part ARaspberry Pi;u-blox

Part BRenesas;Espressif

ProcessorUse-dependent

Part ARP2040;NINA-W102

Part BRA4M1;ESP32-S3

Processor architectureUse-dependent

Part AARM Cortex-M0+

Part BARM Cortex-M4;Xtensa LX7

Processor cores

Part A2

Part B31 higher

Processor clock

Part A133 MHz

Part B240 MHz107 MHz higher

RAM

Part A0.2578 MB

Part B0.5195 MB0.2617 MB higher

Flash

Part A16 MB15.75 MB higher

Part B0.25 MB

USB interfaces

Part A1

Part B1

GPIO

Part A228 higher

Part B14

Wireless interfacesUse-dependent

Part AWi-Fi 802.11b/g/n;Bluetooth;Bluetooth LE 4.2

Part BWi-Fi;Bluetooth

Communication interfacesUse-dependent

Part AWi-Fi 802.11b/g/n;Bluetooth;Bluetooth LE 4.2;USB;GPIO

Part BWi-Fi;Bluetooth;UART;I2C;SPI;USB

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARP2040

Part BRA4M1;ESP32-S3

Product sources

Product sources used by this comparison

Arduino Nano RP2040 ConnectOpen source ↗

Arduino UNO R4 WiFiOpen source ↗