Part comparison

Arduino Nano ESP32 vs Arduino Nano 33 IoT

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

14 shared specs1 scored

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ArduinoArduino Nano ESP32ABX00092

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ArduinoArduino Nano 33 IoTABX00027

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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

14 specifications compared side by side.

Arduino Nano ESP32 / Arduino Nano 33 IoT
Compare bySpecification	AArduinoArduino Nano ESP32	BArduinoArduino Nano 33 IoT
Electrical1
Logic voltage	3.3 V	3.3 V
Control & communication13
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	embedded_control;iot;mobile_robot
Processor vendorUse-dependent	Espressif;u-blox	Microchip
ProcessorUse-dependent	NORA-W106 (ESP32-S3)	SAMD21
Processor architectureUse-dependent	Xtensa LX7	Arm Cortex-M0+
Processor cores	21 higher	1
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth	Wi-Fi;Bluetooth LE
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;USB	Wi-Fi;Bluetooth LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	NORA-W106 (ESP32-S3)	SAMD21

AArduinoArduino Nano ESP32

BArduinoArduino Nano 33 IoT

Electrical1

Logic voltage

Part A3.3 V

Part B3.3 V

Control & communication13

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;mobile_robot

Processor vendorUse-dependent

Part AEspressif;u-blox

Part BMicrochip

ProcessorUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BSAMD21

Processor architectureUse-dependent

Part AXtensa LX7

Part BArm Cortex-M0+

Processor cores

Part A21 higher

Part B1

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth

Part BWi-Fi;Bluetooth LE

Communication interfacesUse-dependent

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

Part BWi-Fi;Bluetooth LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BSAMD21

Product sources

Product sources used by this comparison

Arduino Nano ESP32Open source ↗

Arduino Nano 33 IoTOpen source ↗