Part comparison

Arduino Mega 2560 Rev3 vs Arduino Nano 33 BLE Sense Rev2

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

18 shared specs5 scored

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ArduinoArduino Mega 2560 Rev3A000067

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ArduinoArduino Nano 33 BLE Sense Rev2ABX00069

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Directional spec summary

Counts across 5 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

18 specifications compared side by side.

Arduino Mega 2560 Rev3 / Arduino Nano 33 BLE Sense Rev2
Compare bySpecification	AArduinoArduino Mega 2560 Rev3	BArduinoArduino Nano 33 BLE Sense Rev2
Electrical2
Maximum input voltageUse-dependent	20 V	21 V
Logic voltageUse-dependent	5 V	3.3 V
Control & communication16
Board kind	Main controller	Main controller
Board architectureUse-dependent	Microcontroller board	Standalone board
Primary applicationUse-dependent	education;robotics;motion_control	embedded_control;wearable;mobile_robot;edge_ai
Processor vendorUse-dependent	Microchip	Nordic Semiconductor
ProcessorUse-dependent	ATmega2560	nRF52840
Processor architectureUse-dependent	AVR 8-bit	Arm Cortex-M4F
Processor clock	16 MHz	64 MHz48 MHz higher
RAM	0.0078 MB	0.25 MB0.2422 MB higher
Flash	0.25 MB	1 MB0.75 MB higher
SDK available	Yes	Yes
Firmware updatable	Yes	Yes
UART interfaces	43 higher	1
GPIO	5440 higher	14
Communication interfacesUse-dependent	UART;I2C;SPI;USB	UART;I2C;SPI;Bluetooth LE
Compute board kind	microcontroller	microcontroller
MicrocontrollerUse-dependent	ATmega2560	nRF52840

AArduinoArduino Mega 2560 Rev3

BArduinoArduino Nano 33 BLE Sense Rev2

Electrical2

Maximum input voltageUse-dependent

Part A20 V

Part B21 V

Logic voltageUse-dependent

Part A5 V

Part B3.3 V

Control & communication16

Board kind

Part AMain controller

Part BMain controller

Board architectureUse-dependent

Part AMicrocontroller board

Part BStandalone board

Primary applicationUse-dependent

Part Aeducation;robotics;motion_control

Part Bembedded_control;wearable;mobile_robot;edge_ai

Processor vendorUse-dependent

Part AMicrochip

Part BNordic Semiconductor

ProcessorUse-dependent

Part AATmega2560

Part BnRF52840

Processor architectureUse-dependent

Part AAVR 8-bit

Part BArm Cortex-M4F

Processor clock

Part A16 MHz

Part B64 MHz48 MHz higher

RAM

Part A0.0078 MB

Part B0.25 MB0.2422 MB higher

Flash

Part A0.25 MB

Part B1 MB0.75 MB higher

SDK available

Part AYes

Part BYes

Firmware updatable

Part AYes

Part BYes

UART interfaces

Part A43 higher

Part B1

GPIO

Part A5440 higher

Part B14

Communication interfacesUse-dependent

Part AUART;I2C;SPI;USB

Part BUART;I2C;SPI;Bluetooth LE

Compute board kind

Part Amicrocontroller

Part Bmicrocontroller

MicrocontrollerUse-dependent

Part AATmega2560

Part BnRF52840

Product sources

Product sources used by this comparison

Arduino Mega 2560 Rev3Open source ↗

Arduino Nano 33 BLE Sense Rev2Open source ↗