Part comparison

Arduino Nano vs DFRobot Romeo ESP32-S3 Robot Development Board

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

16 shared specs2 scored

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ArduinoArduino NanoA000005

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DFRobotDFRobot Romeo ESP32-S3 Robot Development BoardDFR0994

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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

16 specifications compared side by side.

Arduino Nano / DFRobot Romeo ESP32-S3 Robot Development Board
Compare bySpecification	AArduinoArduino Nano	BDFRobotDFRobot Romeo ESP32-S3 Robot Development Board
Electrical3
Minimum input voltageUse-dependent	7 V	5 V
Maximum input voltageUse-dependent	12 V	24 V
Logic voltageUse-dependent	5 V	3.3 V
Control & communication13
Board kind	Main controller	Main controller
Board architecture	Standalone board	Standalone board
Primary applicationUse-dependent	embedded_control;robotics	robotics;fpv;ai
Processor vendorUse-dependent	Microchip	Espressif
ProcessorUse-dependent	ATmega328	ESP32-S3-WROOM-1U-N16R8
Processor architectureUse-dependent	AVR	Xtensa LX7 dual-core
Processor clock	16 MHz	240 MHz224 MHz higher
Flash	0.032 MB	16 MB15.968 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Communication interfacesUse-dependent	I2C	Wi-Fi;Bluetooth 5 LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega328	ESP32-S3-WROOM-1U-N16R8

AArduinoArduino Nano

BDFRobotDFRobot Romeo ESP32-S3 Robot Development Board

Electrical3

Minimum input voltageUse-dependent

Part A7 V

Part B5 V

Maximum input voltageUse-dependent

Part A12 V

Part B24 V

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication13

Board kind

Part AMain controller

Part BMain controller

Board architecture

Part AStandalone board

Part BStandalone board

Primary applicationUse-dependent

Part Aembedded_control;robotics

Part Brobotics;fpv;ai

Processor vendorUse-dependent

Part AMicrochip

Part BEspressif

ProcessorUse-dependent

Part AATmega328

Part BESP32-S3-WROOM-1U-N16R8

Processor architectureUse-dependent

Part AAVR

Part BXtensa LX7 dual-core

Processor clock

Part A16 MHz

Part B240 MHz224 MHz higher

Flash

Part A0.032 MB

Part B16 MB15.968 MB higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Communication interfacesUse-dependent

Part AI2C

Part BWi-Fi;Bluetooth 5 LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega328

Part BESP32-S3-WROOM-1U-N16R8

Product sources

Product sources used by this comparison

Arduino NanoOpen source ↗

DFRobot Romeo ESP32-S3 Robot Development BoardOpen source ↗