Part comparison

M5Stack M5Stack CoreS3 vs ROBOTIS OpenCR1.0

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

17 shared specs3 scored

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M5StackM5Stack M5Stack CoreS3K128

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ROBOTISROBOTIS OpenCR1.0OpenCR1.0

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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

17 specifications compared side by side.

M5Stack M5Stack CoreS3 / ROBOTIS OpenCR1.0
Compare bySpecification	AM5StackM5Stack M5Stack CoreS3	BROBOTISROBOTIS OpenCR1.0
Electrical2
Minimum input voltageUse-dependent	9 V	5 V
Maximum input voltage	24 V	24 V
Control & communication15
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	microcontroller
Primary applicationUse-dependent	robotics;embedded_control	dynamixel;ROS;robot_control
Processor vendorUse-dependent	Espressif	STMicroelectronics
ProcessorUse-dependent	ESP32-S3	STM32F746ZGT6
Processor architectureUse-dependent	Xtensa LX7	ARM Cortex-M7
Processor cores	21 higher	1
Processor clock	240 MHz24 MHz higher	216 MHz
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
USB interfaces	1	1
Communication interfacesUse-dependent	Wi-Fi;USB-C OTG;USB CDC;microSD;GPIO	USB;TTL;RS485;UART;CAN;I2C;SPI;GPIO;DYNAMIXEL
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ESP32-S3	STM32F746ZGT6
Onboard IMU	Yes	Yes

AM5StackM5Stack M5Stack CoreS3

BROBOTISROBOTIS OpenCR1.0

Electrical2

Minimum input voltageUse-dependent

Part A9 V

Part B5 V

Maximum input voltage

Part A24 V

Part B24 V

Control & communication15

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;ROS;robot_control

Processor vendorUse-dependent

Part AEspressif

Part BSTMicroelectronics

ProcessorUse-dependent

Part AESP32-S3

Part BSTM32F746ZGT6

Processor architectureUse-dependent

Part AXtensa LX7

Part BARM Cortex-M7

Processor cores

Part A21 higher

Part B1

Processor clock

Part A240 MHz24 MHz higher

Part B216 MHz

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

USB interfaces

Part A1

Part B1

Communication interfacesUse-dependent

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

Part BUSB;TTL;RS485;UART;CAN;I2C;SPI;GPIO;DYNAMIXEL

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AESP32-S3

Part BSTM32F746ZGT6

Onboard IMU

Part AYes

Part BYes

Product sources

Product sources used by this comparison

M5Stack M5Stack CoreS3Open source ↗

ROBOTIS OpenCR1.0Open source ↗