Part comparison

Arduino UNO R4 WiFi vs DFRobot FireBeetle 2 ESP32-C6

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

15 shared specs2 scored

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ArduinoArduino UNO R4 WiFiABX00087

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DFRobotDFRobot FireBeetle 2 ESP32-C6DFR1075

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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.

Arduino UNO R4 WiFi / DFRobot FireBeetle 2 ESP32-C6
Compare bySpecification	AArduinoArduino UNO R4 WiFi	BDFRobotDFRobot FireBeetle 2 ESP32-C6
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication14
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	IoT
Processor vendorUse-dependent	Renesas;Espressif	Espressif
ProcessorUse-dependent	RA4M1;ESP32-S3	ESP32-C6
Processor architectureUse-dependent	ARM Cortex-M4;Xtensa LX7	RISC-V single-core
Processor clock	240 MHz80 MHz higher	160 MHz
Flash	0.25 MB	4 MB3.75 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth	Wi-Fi 6;Bluetooth 5;Zigbee;Thread;Matter
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;SPI;USB	Wi-Fi 6;Bluetooth 5;Zigbee;Thread;Matter
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1;ESP32-S3	ESP32-C6

AArduinoArduino UNO R4 WiFi

BDFRobotDFRobot FireBeetle 2 ESP32-C6

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication14

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part BStandalone board

Primary applicationUse-dependent

Part Aeducation;robotics;wireless_embedded_control

Part BIoT

Processor vendorUse-dependent

Part ARenesas;Espressif

Part BEspressif

ProcessorUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6

Processor architectureUse-dependent

Part AARM Cortex-M4;Xtensa LX7

Part BRISC-V single-core

Processor clock

Part A240 MHz80 MHz higher

Part B160 MHz

Flash

Part A0.25 MB

Part B4 MB3.75 MB higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth

Part BWi-Fi 6;Bluetooth 5;Zigbee;Thread;Matter

Communication interfacesUse-dependent

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

Part BWi-Fi 6;Bluetooth 5;Zigbee;Thread;Matter

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6

Product sources

Product sources used by this comparison

Arduino UNO R4 WiFiOpen source ↗

DFRobot FireBeetle 2 ESP32-C6Open source ↗