Part comparison

Arduino Mega 2560 Rev3 vs Arduino Uno Rev3

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

12 shared specs3 scored

Start over

ArduinoArduino Mega 2560 Rev3A000067

View details

ArduinoArduino Uno Rev3A000066

View details

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

12 specifications compared side by side.

Arduino Mega 2560 Rev3 / Arduino Uno Rev3
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BArduinoArduino Uno Rev3
Electrical1
Logic voltage	5 V	5 V
Control & communication11
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;motion_control	education;robotics;embedded_control
Processor vendor	Microchip	Microchip
ProcessorUse-dependent	ATmega2560	ATmega328P
Processor clock	16 MHz	16 MHz
USB interfaces	1	1
GPIO	5440 higher	14
Communication interfacesUse-dependent	UART;I2C;SPI;USB	USB;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	ATmega328P

AArduinoArduino Mega 2560 Rev3

BArduinoArduino Uno Rev3

Electrical1

Logic voltage

Part A5 V

Part B5 V

Control & communication11

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AMicrocontroller board

Part BMicrocontroller board

Primary applicationUse-dependent

Part Aeducation;robotics;motion_control

Part Beducation;robotics;embedded_control

Processor vendor

Part AMicrochip

Part BMicrochip

ProcessorUse-dependent

Part AATmega2560

Part BATmega328P

Processor clock

Part A16 MHz

Part B16 MHz

USB interfaces

Part A1

Part B1

GPIO

Part A5440 higher

Part B14

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BUSB;GPIO

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BATmega328P

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

Arduino Uno Rev3Open source ↗