Part comparison

Arduino Nano ESP32 vs Arduino Nano R4

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

17 shared specs4 scored

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ArduinoArduino Nano ESP32ABX00092

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ArduinoArduino Nano R4ABX00142

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Directional spec summary

Counts across 4 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

17 specifications compared side by side.

Arduino Nano ESP32 / Arduino Nano R4
Compare bySpecification	AArduinoArduino Nano ESP32	BArduinoArduino Nano R4
Electrical1
Logic voltageUse-dependent	3.3 V	5 V
Control & communication16
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	embedded_control;industrial_automation;robotics
Processor vendorUse-dependent	Espressif;u-blox	Renesas
ProcessorUse-dependent	NORA-W106 (ESP32-S3)	RA4M1
Processor architectureUse-dependent	Xtensa LX7	Arm Cortex-M4
Processor cores	21 higher	1
Processor clock	240 MHz192 MHz higher	48 MHz
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
I2C interfaces	21 higher	1
USB interfaces	1	1
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;USB	CAN (external transceiver required);I2C;USB-C
CertificationsUse-dependent	ISED/IC;UKCA;CE;FCC;RoHS;RCM;MIC	FCC;CE;UKCA;ISED;VCCI
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	NORA-W106 (ESP32-S3)	RA4M1

AArduinoArduino Nano ESP32

BArduinoArduino Nano R4

Electrical1

Logic voltageUse-dependent

Part A3.3 V

Part B5 V

Control & communication16

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part BStandalone board

Primary applicationUse-dependent

Part Aeducation;robotics;wireless_embedded_control

Part Bembedded_control;industrial_automation;robotics

Processor vendorUse-dependent

Part AEspressif;u-blox

Part BRenesas

ProcessorUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BRA4M1

Processor architectureUse-dependent

Part AXtensa LX7

Part BArm Cortex-M4

Processor cores

Part A21 higher

Part B1

Processor clock

Part A240 MHz192 MHz higher

Part B48 MHz

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

I2C interfaces

Part A21 higher

Part B1

USB interfaces

Part A1

Part B1

Communication interfacesUse-dependent

Part AWi-Fi;Bluetooth;UART;I2C;USB

Part BCAN (external transceiver required);I2C;USB-C

CertificationsUse-dependent

Part AISED/IC;UKCA;CE;FCC;RoHS;RCM;MIC

Part BFCC;CE;UKCA;ISED;VCCI

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BRA4M1

Product sources

Product sources used by this comparison

Arduino Nano ESP32Open source ↗

Arduino Nano R4Open source ↗