Part comparison

Arduino Nano 33 BLE vs Arduino UNO R4 WiFi

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

14 shared specs3 scored

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ArduinoArduino Nano 33 BLEABX00030

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ArduinoArduino UNO R4 WiFiABX00087

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Directional spec summary

Counts across 3 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

14 specifications compared side by side.

Arduino Nano 33 BLE / Arduino UNO R4 WiFi
Compare bySpecification	AArduinoArduino Nano 33 BLE	BArduinoArduino UNO R4 WiFi
Electrical1
Logic voltageUse-dependent	3.3 V	5 V
Control & communication13
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	Nordic Semiconductor	Renesas;Espressif
ProcessorUse-dependent	nRF52840	RA4M1;ESP32-S3
Processor architectureUse-dependent	ARM Cortex-M4	ARM Cortex-M4;Xtensa LX7
Processor clock	64 MHz	240 MHz176 MHz higher
Flash	1 MB0.75 MB higher	0.25 MB
USB interfaces	1	1
Wireless interfacesUse-dependent	Bluetooth;Bluetooth LE	Wi-Fi;Bluetooth
Communication interfacesUse-dependent	Bluetooth;Bluetooth LE;USB;GPIO	Wi-Fi;Bluetooth;UART;I2C;SPI;USB
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	nRF52840	RA4M1;ESP32-S3

AArduinoArduino Nano 33 BLE

BArduinoArduino UNO R4 WiFi

Electrical1

Logic voltageUse-dependent

Part A3.3 V

Part B5 V

Control & communication13

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 ANordic Semiconductor

Part BRenesas;Espressif

ProcessorUse-dependent

Part AnRF52840

Part BRA4M1;ESP32-S3

Processor architectureUse-dependent

Part AARM Cortex-M4

Part BARM Cortex-M4;Xtensa LX7

Processor clock

Part A64 MHz

Part B240 MHz176 MHz higher

Flash

Part A1 MB0.75 MB higher

Part B0.25 MB

USB interfaces

Part A1

Part B1

Wireless interfacesUse-dependent

Part ABluetooth;Bluetooth LE

Part BWi-Fi;Bluetooth

Communication interfacesUse-dependent

Part ABluetooth;Bluetooth LE;USB;GPIO

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

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AnRF52840

Part BRA4M1;ESP32-S3

Product sources

Product sources used by this comparison

Arduino Nano 33 BLEOpen source ↗

Arduino UNO R4 WiFiOpen source ↗