Part comparison

Arduino UNO R4 WiFi vs Espressif ESP32-C6-DevKitC-1

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

19 shared specs4 scored

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ArduinoArduino UNO R4 WiFiABX00087

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EspressifEspressif ESP32-C6-DevKitC-1ESP32-C6-DevKitC-1

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Directional spec summary

Counts across 4 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

19 specifications compared side by side.

Arduino UNO R4 WiFi / Espressif ESP32-C6-DevKitC-1
Compare bySpecification	AArduinoArduino UNO R4 WiFi	BEspressifEspressif ESP32-C6-DevKitC-1
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication18
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	education;robotics;wireless_embedded_control;mesh_networking
Processor vendorUse-dependent	Renesas;Espressif	Espressif
ProcessorUse-dependent	RA4M1;ESP32-S3	ESP32-C6-WROOM-1(U)
Processor architectureUse-dependent	ARM Cortex-M4;Xtensa LX7	RISC-V
Processor cores	32 higher	1
Processor clock	240 MHz80 MHz higher	160 MHz
Flash	0.25 MB	8 MB7.75 MB higher
Open-source hardware	Yes	Yes
Open-source firmware	Yes	Yes
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
USB interfaces	1	1
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth	Wi-Fi;Bluetooth LE;Zigbee;Thread
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;SPI;USB	Wi-Fi;Bluetooth LE;Zigbee;Thread;USB;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	RA4M1;ESP32-S3	ESP32-C6-WROOM-1(U)

AArduinoArduino UNO R4 WiFi

BEspressifEspressif ESP32-C6-DevKitC-1

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication18

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AMicrocontroller board

Part BMicrocontroller board

Primary applicationUse-dependent

Part Aeducation;robotics;wireless_embedded_control

Part Beducation;robotics;wireless_embedded_control;mesh_networking

Processor vendorUse-dependent

Part ARenesas;Espressif

Part BEspressif

ProcessorUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6-WROOM-1(U)

Processor architectureUse-dependent

Part AARM Cortex-M4;Xtensa LX7

Part BRISC-V

Processor cores

Part A32 higher

Part B1

Processor clock

Part A240 MHz80 MHz higher

Part B160 MHz

Flash

Part A0.25 MB

Part B8 MB7.75 MB higher

Open-source hardware

Part AYes

Part BYes

Open-source firmware

Part AYes

Part BYes

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

USB interfaces

Part A1

Part B1

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth

Part BWi-Fi;Bluetooth LE;Zigbee;Thread

Communication interfacesUse-dependent

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

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

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ARA4M1;ESP32-S3

Part BESP32-C6-WROOM-1(U)

Product sources

Product sources used by this comparison

Arduino UNO R4 WiFiOpen source ↗

Espressif ESP32-C6-DevKitC-1Open source ↗