Part comparison

Arduino Mega 2560 Rev3 vs Arduino Nano R4

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

16 shared specs3 scored

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ArduinoArduino Mega 2560 Rev3A000067

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ArduinoArduino Nano R4ABX00142

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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

16 specifications compared side by side.

Arduino Mega 2560 Rev3 / Arduino Nano R4
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BArduinoArduino Nano R4
Electrical1
Logic voltage	5 V	5 V
Control & communication15
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;motion_control	embedded_control;industrial_automation;robotics
Processor vendorUse-dependent	Microchip	Renesas
ProcessorUse-dependent	ATmega2560	RA4M1
Processor architectureUse-dependent	AVR 8-bit	Arm Cortex-M4
Processor clock	16 MHz	48 MHz32 MHz higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
I2C interfaces	1	1
USB interfaces	1	1
Communication interfacesUse-dependent	UART;I2C;SPI;USB	CAN (external transceiver required);I2C;USB-C
CertificationsUse-dependent	CE;RoHS	FCC;CE;UKCA;ISED;VCCI
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	RA4M1

AArduinoArduino Mega 2560 Rev3

BArduinoArduino Nano R4

Electrical1

Logic voltage

Part A5 V

Part B5 V

Control & communication15

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part BStandalone board

Primary applicationUse-dependent

Part Aeducation;robotics;motion_control

Part Bembedded_control;industrial_automation;robotics

Processor vendorUse-dependent

Part AMicrochip

Part BRenesas

ProcessorUse-dependent

Part AATmega2560

Part BRA4M1

Processor architectureUse-dependent

Part AAVR 8-bit

Part BArm Cortex-M4

Processor clock

Part A16 MHz

Part B48 MHz32 MHz higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

I2C interfaces

Part A1

Part B1

USB interfaces

Part A1

Part B1

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

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

CertificationsUse-dependent

Part ACE;RoHS

Part BFCC;CE;UKCA;ISED;VCCI

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BRA4M1

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

Arduino Nano R4Open source ↗