Part comparison

Arduino Nano ESP32 vs Arduino Nano 33 BLE Rev2

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

20 shared specs7 scored

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ArduinoArduino Nano ESP32ABX00092

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ArduinoArduino Nano 33 BLE Rev2ABX00071

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Directional spec summary

Counts across 7 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

20 specifications compared side by side.

Arduino Nano ESP32 / Arduino Nano 33 BLE Rev2
Compare bySpecification	AArduinoArduino Nano ESP32	BArduinoArduino Nano 33 BLE Rev2
Electrical1
Logic voltage	3.3 V	3.3 V
Control & communication19
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;wireless_embedded_control	embedded_control;wearable;mobile_robot
Processor vendorUse-dependent	Espressif;u-blox	Nordic Semiconductor
ProcessorUse-dependent	NORA-W106 (ESP32-S3)	nRF52840
Processor architectureUse-dependent	Xtensa LX7	Arm Cortex-M4
Processor cores	21 higher	1
Processor clock	240 MHz176 MHz higher	64 MHz
RAM	8 MB7.75 MB higher	0.25 MB
Flash	16 MB15 MB higher	1 MB
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
UART interfaces	1	1
I2C interfaces	21 higher	1
GPIO	14	14
Wireless interfacesUse-dependent	Wi-Fi;Bluetooth	Bluetooth LE
Communication interfacesUse-dependent	Wi-Fi;Bluetooth;UART;I2C;USB	UART;I2C;SPI;Bluetooth LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	NORA-W106 (ESP32-S3)	nRF52840

AArduinoArduino Nano ESP32

BArduinoArduino Nano 33 BLE Rev2

Electrical1

Logic voltage

Part A3.3 V

Part B3.3 V

Control & communication19

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;wearable;mobile_robot

Processor vendorUse-dependent

Part AEspressif;u-blox

Part BNordic Semiconductor

ProcessorUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BnRF52840

Processor architectureUse-dependent

Part AXtensa LX7

Part BArm Cortex-M4

Processor cores

Part A21 higher

Part B1

Processor clock

Part A240 MHz176 MHz higher

Part B64 MHz

RAM

Part A8 MB7.75 MB higher

Part B0.25 MB

Flash

Part A16 MB15 MB higher

Part B1 MB

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

UART interfaces

Part A1

Part B1

I2C interfaces

Part A21 higher

Part B1

GPIO

Part A14

Part B14

Wireless interfacesUse-dependent

Part AWi-Fi;Bluetooth

Part BBluetooth LE

Communication interfacesUse-dependent

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

Part BUART;I2C;SPI;Bluetooth LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part ANORA-W106 (ESP32-S3)

Part BnRF52840

Product sources

Product sources used by this comparison

Arduino Nano ESP32Open source ↗

Arduino Nano 33 BLE Rev2Open source ↗