Part comparison

M5Stack M5Stack CoreS3 vs ROBOTIS OpenRB-150

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

15 shared specs2 scored

Start over

M5StackM5Stack M5Stack CoreS3K128

View details

ROBOTISROBOTIS OpenRB-150OpenRB-150

View details

Directional spec summary

Counts across 2 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

15 specifications compared side by side.

M5Stack M5Stack CoreS3 / ROBOTIS OpenRB-150
Compare bySpecification	AM5StackM5Stack M5Stack CoreS3	BROBOTISROBOTIS OpenRB-150
Electrical2
Minimum input voltageUse-dependent	9 V	3.7 V
Maximum input voltageUse-dependent	24 V	12.6 V
Control & communication13
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	microcontroller
Primary applicationUse-dependent	robotics;embedded_control	DYNAMIXEL;robot_control
Processor vendorUse-dependent	Espressif	Microchip
ProcessorUse-dependent	ESP32-S3	SAMD21
Processor architectureUse-dependent	Xtensa LX7	ARM Cortex-M0+
Processor cores	21 higher	1
Processor clock	240 MHz192 MHz higher	48 MHz
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Communication interfacesUse-dependent	Wi-Fi;USB-C OTG;USB CDC;microSD;GPIO	USB;TTL;UART;I2C;SPI;GPIO;DYNAMIXEL
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ESP32-S3	SAMD21

AM5StackM5Stack M5Stack CoreS3

BROBOTISROBOTIS OpenRB-150

Electrical2

Minimum input voltageUse-dependent

Part A9 V

Part B3.7 V

Maximum input voltageUse-dependent

Part A24 V

Part B12.6 V

Control & communication13

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part Bmicrocontroller

Primary applicationUse-dependent

Part Arobotics;embedded_control

Part BDYNAMIXEL;robot_control

Processor vendorUse-dependent

Part AEspressif

Part BMicrochip

ProcessorUse-dependent

Part AESP32-S3

Part BSAMD21

Processor architectureUse-dependent

Part AXtensa LX7

Part BARM Cortex-M0+

Processor cores

Part A21 higher

Part B1

Processor clock

Part A240 MHz192 MHz higher

Part B48 MHz

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Communication interfacesUse-dependent

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

Part BUSB;TTL;UART;I2C;SPI;GPIO;DYNAMIXEL

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AESP32-S3

Part BSAMD21

Product sources

Product sources used by this comparison

M5Stack M5Stack CoreS3Open source ↗

ROBOTIS OpenRB-150Open source ↗