Part comparison

Arduino Mega 2560 Rev3 vs Arduino Nano

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

18 shared specs4 scored

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ArduinoArduino Mega 2560 Rev3A000067

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ArduinoArduino NanoA000005

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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

18 specifications compared side by side.

Arduino Mega 2560 Rev3 / Arduino Nano
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BArduinoArduino Nano
Electrical3
Minimum input voltageUse-dependent	6 V	7 V
Maximum input voltageUse-dependent	20 V	12 V
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;robotics
Processor vendor	Microchip	Microchip
ProcessorUse-dependent	ATmega2560	ATmega328
Processor architectureUse-dependent	AVR 8-bit	AVR
Processor clock	16 MHz	16 MHz
RAM	0.0078 MB0.0058 MB higher	0.002 MB
Flash	0.25 MB0.218 MB higher	0.032 MB
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
GPIO	5440 higher	14
Communication interfacesUse-dependent	UART;I2C;SPI;USB	I2C
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	ATmega328

AArduinoArduino Mega 2560 Rev3

BArduinoArduino Nano

Electrical3

Minimum input voltageUse-dependent

Part A6 V

Part B7 V

Maximum input voltageUse-dependent

Part A20 V

Part B12 V

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;robotics

Processor vendor

Part AMicrochip

Part BMicrochip

ProcessorUse-dependent

Part AATmega2560

Part BATmega328

Processor architectureUse-dependent

Part AAVR 8-bit

Part BAVR

Processor clock

Part A16 MHz

Part B16 MHz

RAM

Part A0.0078 MB0.0058 MB higher

Part B0.002 MB

Flash

Part A0.25 MB0.218 MB higher

Part B0.032 MB

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

GPIO

Part A5440 higher

Part B14

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BI2C

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BATmega328

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

Arduino NanoOpen source ↗