Part comparison

Arduino UNO R4 WiFi vs M5Stack M5Stack CoreS3

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

19 shared specs5 scored

Start over

ArduinoArduino UNO R4 WiFiABX00087

View details

M5StackM5Stack M5Stack CoreS3K128

View details

Directional spec summary

Counts across 5 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

19 specifications compared side by side.

Arduino UNO R4 WiFi / M5Stack M5Stack CoreS3
Compare bySpecification	AArduinoArduino UNO R4 WiFi	BM5StackM5Stack M5Stack CoreS3
Electrical2
Minimum input voltageUse-dependent	6 V	9 V
Maximum input voltage	24 V	24 V
Control & communication17
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	robotics;embedded_control
Processor vendorUse-dependent	Renesas;Espressif	Espressif
ProcessorUse-dependent	RA4M1;ESP32-S3	ESP32-S3
Processor architectureUse-dependent	ARM Cortex-M4;Xtensa LX7	Xtensa LX7
Processor cores	31 higher	2
Processor clock	240 MHz	240 MHz
RAM	0.5195 MB	8 MB7.4805 MB higher
Flash	0.25 MB	16 MB15.75 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
USB interfaces	1	1
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth	Wi-Fi
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;SPI;USB	Wi-Fi;USB-C OTG;USB CDC;microSD;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1;ESP32-S3	ESP32-S3

AArduinoArduino UNO R4 WiFi

BM5StackM5Stack M5Stack CoreS3

Electrical2

Minimum input voltageUse-dependent

Part A6 V

Part B9 V

Maximum input voltage

Part A24 V

Part B24 V

Control & communication17

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AMicrocontroller board

Part BMicrocontroller board

Primary applicationUse-dependent

Part Aeducation;robotics;wireless_embedded_control

Part Brobotics;embedded_control

Processor vendorUse-dependent

Part ARenesas;Espressif

Part BEspressif

ProcessorUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-S3

Processor architectureUse-dependent

Part AARM Cortex-M4;Xtensa LX7

Part BXtensa LX7

Processor cores

Part A31 higher

Part B2

Processor clock

Part A240 MHz

Part B240 MHz

RAM

Part A0.5195 MB

Part B8 MB7.4805 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

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth

Part BWi-Fi

Communication interfacesUse-dependent

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

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

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-S3

Product sources

Product sources used by this comparison

Arduino UNO R4 WiFiOpen source ↗

M5Stack M5Stack CoreS3Open source ↗