Part comparison

Arduino UNO R4 WiFi vs ESP32-C6-DevKitM-1

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

13 shared specs1 scored

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ArduinoArduino UNO R4 WiFiABX00087

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Espressif SystemsESP32-C6-DevKitM-1ESP32-C6-DevKitM-1

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Directional spec summary

Counts across 1 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

13 specifications compared side by side.

Arduino UNO R4 WiFi / ESP32-C6-DevKitM-1
Compare bySpecification	AArduinoArduino UNO R4 WiFi	BEspressif SystemsESP32-C6-DevKitM-1
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication12
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	embedded_control;iot;wireless;robotics
Processor vendorUse-dependent	Renesas;Espressif	Espressif
ProcessorUse-dependent	RA4M1;ESP32-S3	ESP32-C6FH4
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 (2.4 GHz);Bluetooth 5;IEEE 802.15.4;Zigbee 3.0;Thread 1.3
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;SPI;USB	Wi-Fi;Bluetooth LE;Zigbee;Thread;USB-C
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1;ESP32-S3	ESP32-C6FH4

AArduinoArduino UNO R4 WiFi

BEspressif SystemsESP32-C6-DevKitM-1

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication12

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 Bembedded_control;iot;wireless;robotics

Processor vendorUse-dependent

Part ARenesas;Espressif

Part BEspressif

ProcessorUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6FH4

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 (2.4 GHz);Bluetooth 5;IEEE 802.15.4;Zigbee 3.0;Thread 1.3

Communication interfacesUse-dependent

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

Part BWi-Fi;Bluetooth LE;Zigbee;Thread;USB-C

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6FH4

Product sources

Product sources used by this comparison

Arduino UNO R4 WiFiOpen source ↗

ESP32-C6-DevKitM-1Open source ↗