Part comparison

Arduino Mega 2560 Rev3 vs M5Stack M5Stack CoreS3

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

17 shared specs4 scored

Start over

ArduinoArduino Mega 2560 Rev3A000067

View details

M5StackM5Stack M5Stack CoreS3K128

View details

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 Mega 2560 Rev3 / M5Stack M5Stack CoreS3
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BM5StackM5Stack M5Stack CoreS3
Electrical2
Minimum input voltageUse-dependent	6 V	9 V
Maximum input voltageUse-dependent	20 V	24 V
Control & communication15
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;motion_control	robotics;embedded_control
Processor vendorUse-dependent	Microchip	Espressif
ProcessorUse-dependent	ATmega2560	ESP32-S3
Processor architectureUse-dependent	AVR 8-bit	Xtensa LX7
Processor clock	16 MHz	240 MHz224 MHz higher
RAM	0.0078 MB	8 MB7.9922 MB higher
Flash	0.25 MB	16 MB15.75 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
USB interfaces	1	1
Communication interfacesUse-dependent	UART;I2C;SPI;USB	Wi-Fi;USB-C OTG;USB CDC;microSD;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	ESP32-S3

AArduinoArduino Mega 2560 Rev3

BM5StackM5Stack M5Stack CoreS3

Electrical2

Minimum input voltageUse-dependent

Part A6 V

Part B9 V

Maximum input voltageUse-dependent

Part A20 V

Part B24 V

Control & communication15

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 Brobotics;embedded_control

Processor vendorUse-dependent

Part AMicrochip

Part BEspressif

ProcessorUse-dependent

Part AATmega2560

Part BESP32-S3

Processor architectureUse-dependent

Part AAVR 8-bit

Part BXtensa LX7

Processor clock

Part A16 MHz

Part B240 MHz224 MHz higher

RAM

Part A0.0078 MB

Part B8 MB7.9922 MB higher

Flash

Part A0.25 MB

Part B16 MB15.75 MB higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

USB interfaces

Part A1

Part B1

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BWi-Fi;USB-C OTG;USB CDC;microSD;GPIO

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BESP32-S3

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

M5Stack M5Stack CoreS3Open source ↗