Part comparison

Arduino Nano ESP32 vs Arduino Uno Rev3

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

12 shared specs3 scored

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ArduinoArduino Nano ESP32ABX00092

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ArduinoArduino Uno Rev3A000066

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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

12 specifications compared side by side.

Arduino Nano ESP32 / Arduino Uno Rev3
Compare bySpecification	AArduinoArduino Nano ESP32	BArduinoArduino Uno Rev3
Electrical1
Logic voltageUse-dependent	3.3 V	5 V
Control & communication11
Board kind	Main controller	Main controller
Board architecture	Microcontroller board	Microcontroller board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	education;robotics;embedded_control
Processor vendorUse-dependent	Espressif;u-blox	Microchip
ProcessorUse-dependent	NORA-W106 (ESP32-S3)	ATmega328P
Processor clock	240 MHz224 MHz higher	16 MHz
USB interfaces	1	1
GPIO	14	14
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;USB	USB;GPIO
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	NORA-W106 (ESP32-S3)	ATmega328P

AArduinoArduino Nano ESP32

BArduinoArduino Uno Rev3

Electrical1

Logic voltageUse-dependent

Part A3.3 V

Part B5 V

Control & communication11

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;embedded_control

Processor vendorUse-dependent

Part AEspressif;u-blox

Part BMicrochip

ProcessorUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BATmega328P

Processor clock

Part A240 MHz224 MHz higher

Part B16 MHz

USB interfaces

Part A1

Part B1

GPIO

Part A14

Part B14

Communication interfacesUse-dependent

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

Part BUSB;GPIO

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BATmega328P

Product sources

Product sources used by this comparison

Arduino Nano ESP32Open source ↗

Arduino Uno Rev3Open source ↗