Part comparison

Arduino Uno Rev3 vs Arduino Nano 33 BLE Rev2

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

11 shared specs2 scored

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ArduinoArduino Uno Rev3A000066

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ArduinoArduino Nano 33 BLE Rev2ABX00071

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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

11 specifications compared side by side.

Arduino Uno Rev3 / Arduino Nano 33 BLE Rev2
Compare bySpecification	AArduinoArduino Uno Rev3	BArduinoArduino Nano 33 BLE Rev2
Electrical1
Logic voltageUse-dependent	5 V	3.3 V
Control & communication10
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;embedded_control	embedded_control;wearable;mobile_robot
Processor vendorUse-dependent	Microchip	Nordic Semiconductor
ProcessorUse-dependent	ATmega328P	nRF52840
Processor clock	16 MHz	64 MHz48 MHz higher
GPIO	14	14
Communication interfacesUse-dependent	USB;GPIO	UART;I2C;SPI;Bluetooth LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega328P	nRF52840

AArduinoArduino Uno Rev3

BArduinoArduino Nano 33 BLE Rev2

Electrical1

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication10

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 Bembedded_control;wearable;mobile_robot

Processor vendorUse-dependent

Part AMicrochip

Part BNordic Semiconductor

ProcessorUse-dependent

Part AATmega328P

Part BnRF52840

Processor clock

Part A16 MHz

Part B64 MHz48 MHz higher

GPIO

Part A14

Part B14

Communication interfacesUse-dependent

Part AUSB;GPIO

Part BUART;I2C;SPI;Bluetooth LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega328P

Part BnRF52840

Product sources

Product sources used by this comparison

Arduino Uno Rev3Open source ↗

Arduino Nano 33 BLE Rev2Open source ↗