Part comparison

Arduino Nano 33 BLE vs DFRobot FireBeetle 2 ESP32-E

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

13 shared specs2 scored

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ArduinoArduino Nano 33 BLEABX00030

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DFRobotDFRobot FireBeetle 2 ESP32-EDFR0654

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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

13 specifications compared side by side.

Arduino Nano 33 BLE / DFRobot FireBeetle 2 ESP32-E
Compare bySpecification	AArduinoArduino Nano 33 BLE	BDFRobotDFRobot FireBeetle 2 ESP32-E
Electrical1
Logic voltage	3.3 V	3.3 V
Control & communication12
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;embedded_control	IoT
Processor vendorUse-dependent	Nordic Semiconductor	Espressif
ProcessorUse-dependent	nRF52840	ESP-WROOM-32E
Processor architectureUse-dependent	ARM Cortex-M4	Xtensa LX6 dual-core
Processor clock	64 MHz	240 MHz176 MHz higher
Flash	1 MB	4 MB3 MB higher
Wireless interfacesUse-dependent	Bluetooth;Bluetooth LE	Wi-Fi;Bluetooth 4.2
Communication interfacesUse-dependent	Bluetooth;Bluetooth LE;USB;GPIO	Wi-Fi;Bluetooth 4.2
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	nRF52840	ESP-WROOM-32E

AArduinoArduino Nano 33 BLE

BDFRobotDFRobot FireBeetle 2 ESP32-E

Electrical1

Logic voltage

Part A3.3 V

Part B3.3 V

Control & communication12

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part BStandalone board

Primary applicationUse-dependent

Part Aeducation;robotics;embedded_control

Part BIoT

Processor vendorUse-dependent

Part ANordic Semiconductor

Part BEspressif

ProcessorUse-dependent

Part AnRF52840

Part BESP-WROOM-32E

Processor architectureUse-dependent

Part AARM Cortex-M4

Part BXtensa LX6 dual-core

Processor clock

Part A64 MHz

Part B240 MHz176 MHz higher

Flash

Part A1 MB

Part B4 MB3 MB higher

Wireless interfacesUse-dependent

Part ABluetooth;Bluetooth LE

Part BWi-Fi;Bluetooth 4.2

Communication interfacesUse-dependent

Part ABluetooth;Bluetooth LE;USB;GPIO

Part BWi-Fi;Bluetooth 4.2

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AnRF52840

Part BESP-WROOM-32E

Product sources

Product sources used by this comparison

Arduino Nano 33 BLEOpen source ↗

DFRobot FireBeetle 2 ESP32-EOpen source ↗