Part comparison

Arduino UNO R4 Minima vs Espressif ESP32-C3-DevKitC-02

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

15 shared specs3 scored

Start over

ArduinoArduino UNO R4 MinimaABX00080

View details

EspressifEspressif ESP32-C3-DevKitC-02ESP32-C3-DevKitC-02

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

15 specifications compared side by side.

Arduino UNO R4 Minima / Espressif ESP32-C3-DevKitC-02
Compare bySpecification	AArduinoArduino UNO R4 Minima	BEspressifEspressif ESP32-C3-DevKitC-02
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication14
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;embedded_control	robotics;embedded_control
Processor vendorUse-dependent	Renesas	Espressif
ProcessorUse-dependent	RA4M1	ESP32-C3-WROOM-02;ESP32-C3-WROOM-02U
Processor architectureUse-dependent	ARM Cortex-M4	RISC-V
Processor clock	48 MHz	160 MHz112 MHz higher
Flash	0.25 MB	4 MB3.75 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
USB interfaces	1	1
Communication interfacesUse-dependent	UART;I2C;SPI;USB	Wi-Fi;Bluetooth LE;USB;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1	ESP32-C3-WROOM-02;ESP32-C3-WROOM-02U

AArduinoArduino UNO R4 Minima

BEspressifEspressif ESP32-C3-DevKitC-02

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication14

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AMicrocontroller board

Part BMicrocontroller board

Primary applicationUse-dependent

Part Aeducation;robotics;embedded_control

Part Brobotics;embedded_control

Processor vendorUse-dependent

Part ARenesas

Part BEspressif

ProcessorUse-dependent

Part ARA4M1

Part BESP32-C3-WROOM-02;ESP32-C3-WROOM-02U

Processor architectureUse-dependent

Part AARM Cortex-M4

Part BRISC-V

Processor clock

Part A48 MHz

Part B160 MHz112 MHz higher

Flash

Part A0.25 MB

Part B4 MB3.75 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;Bluetooth LE;USB;GPIO

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1

Part BESP32-C3-WROOM-02;ESP32-C3-WROOM-02U

Product sources

Product sources used by this comparison

Arduino UNO R4 MinimaOpen source ↗

Espressif ESP32-C3-DevKitC-02Open source ↗