Arduino Comparison Guide
Uno or Pro Mini? Bluetooth or wireless? When it comes to Arduinos, there are a lot of choices. We've compiled every Arduino development board we carry, so you can quickly compare them to find the perfect one for your needs.
If you're not quite to the spec sheet stage yet, head over to our Choosing an Arduino for Your Project guide.
SparkFun RedBoard Artemis
Quick take: Just another Arduino... That has BLE. And one megabyte of flash. And runs at less than 1mA. Oh, and it can run TensorFlow models.
Control Module:
SparkFun's Artemis Module - Cortex-M4F with Apollo3 processor
Clock Speed:
48MHz / 96MHz turbo available
Flash Memory:
1MB Flash Memory
RAM:
384KB
Operating Voltage
3.3V DC
GPIO
24 - all interrupt capable
Analog Inputs
Up to 32
DAC
0
PWM
21
UART
2
SPI
4
I2C
6 I2C buses & Qwiic Connector
Connector
USB-C
USB-to-Serial
Integrated USB Controller
LiPo Charger
No
Soldered Headers?
Yes
Shield Compatible
Yes
Form Factor
2.7 x 2.1 in. rectangle
Special Features
Operates less than 5mW at full operation, Built in BLE radio and antenna, PDM Digital Microphone
SparkFun RedBoard Artemis ATP
Quick take: The Artemis module has 48 GPIO and this board breaks out absolutely every one of them in a familiar Mega like form factor
Control Module:
SparkFun's Artemis Module - Cortex-M4F with Apollo3 processor
Clock Speed:
48MHz / 96MHz turbo available
Flash Memory:
1MB Flash Memory
RAM:
384KB
Operating Voltage
3.3V DC
GPIO
48 - all interrupt capable
Analog Inputs
Up to 32
DAC
0
PWM
31
UART
2
SPI
6
I2C
6 I2C buses & Qwiic Connector
Connector
USB-C
USB-to-Serial
Integrated USB Controller
LiPo Charger
No
Soldered Headers?
Yes
Shield Compatible
Yes
Form Factor
4.0 x 2.1 in rectangle
Special Features
Operates less than 5mW at full operation, Built in BLE radio and antenna, PDM Digital Microphone
SparkFun RedBoard Artemis Nano
Quick take: The Artemis Nano is a minimal but extremely handy implementation of the Artemis module.
Control Module:
SparkFun's Artemis Module - Cortex-M4F with Apollo3 processor
Clock Speed:
48MHz / 96MHz turbo available
Flash Memory:
1MB Flash Memory
RAM:
384KB
Operating Voltage
3.3V DC
GPIO
17
Analog Inputs
Up to 32
DAC
0
PWM
17
UART
2
SPI
2
I2C
4 I2C buses & Qwiic Connector
Connector
USB-C
USB-to-Serial
Integrated USB Controller
LiPo Charger
Yes
Soldered Headers?
No
Shield Compatible
No
Form Factor
2.1 x 4.9 cm. rectangle
Special Features
Operates less than 5mW at full operation, Built in BLE radio and antenna, PDM Digital Microphone
SparkFun RedBoard Turbo - SAMD21 Development Board
Quick take: Provides you with an economical and easy to use development platform if you’re needing more power than the classic RedBoard.
Processor:
ATSAMD21G18 32-bit/48MHz ARM Cortex-M0+
Clock Speed:
48 MHz Digital Frequency-Locked Loop and 48 MHz to 96 MHz Fractional Digital Phase-Locked Loop
Flash Memory:
4MB Flash Memory
RAM:
2KB
Operating Voltage
Vin: 4.2V-6.0V for charger - otherwise 3.5V-6.0V
GPIO
26
Analog Inputs
Up to 32
DAC
0
PWM
6
UART
1
SPI
1
I2C
Connector
Micro USB
USB-to-Serial
Integrated USB Controller
LiPo Charger
Yes
Soldered Headers?
Yes
Shield Compatible
Yes
Form Factor
2.7 x 2.1 in. rectangle
Arduino R3 Layout
Special Features
USB Client
Teensy 3.6 (Headers)
Quick take: Powerful with lots of pins and ports. Only slightly more difficult to set up over other Arduino boards.
Processor:
NXP MK66FX1M0
Clock Speed:
180 MHz
Flash Memory:
1 MB
RAM:
256 KB
Operating Voltage
3.3 V
GPIO
58
Analog Inputs
25
DAC
2
PWM
22
UART
6
SPI
3
I2C
4
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
Yes
Shield Compatible
No
Form Factor
2.5 x 0.7 in. rectangle
Special Features
USB Client
Teensy 3.6
Quick take: Powerful with lots of pins and ports. Only slightly more difficult to set up over other Arduino boards.
Processor:
NXP MK66FX1M0
Clock Speed:
180 MHz
Flash Memory:
1 MB
RAM:
256 KB
Operating Voltage
3.3 V
GPIO
58
Analog Inputs
25
DAC
2
PWM
22
UART
6
SPI
3
I2C
4
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
No
Shield Compatible
No
Form Factor
2.5 x 0.7 in. rectangle
Special Features
USB Client
Teensy 3.5 (Headers)
Quick take: Powerful with lots of pins and ports. Only slightly more difficult to set up over other Arduino boards.
Processor:
NXP MK64FX512
Clock Speed:
120 MHz
Flash Memory:
512 KB
RAM:
192 KB
Operating Voltage
3.3 V
GPIO
58
Analog Inputs
27
DAC
2
PWM
20
UART
6
SPI
3
I2C
3
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
Yes
Shield Compatible
No
Form Factor
2.5 x 0.7 in. rectangle
Special Features
USB Client
Teensy 3.5
Quick take: Powerful with lots of pins and ports. Only slightly more difficult to set up over other Arduino.
Processor:
NXP MK64FX512
Clock Speed:
120 MHz
Flash Memory:
512 KB
RAM:
192 KB
Operating Voltage
3.3 V
GPIO
58
Analog Inputs
27
DAC
2
PWM
20
UART
6
SPI
3
I2C
3
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
No
Shield Compatible
No
Form Factor
2.5 x 0.7 in. rectangle
Special Features
USB Client
Teensy 3.2
Quick take: Powerful with lots of pins and ports. Only slightly more difficult to set up over other Arduino.
Processor:
NXP MK20DX256
Clock Speed:
72 MHz
Flash Memory:
256 KB
RAM:
64 KB
Operating Voltage
3.3 V
GPIO
34
Analog Inputs
21
DAC
1
PWM
12
UART
3
SPI
1
I2C
2
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
No
Shield Compatible
No
Form Factor
1.4 x 0.7 in. rectangle
Special Features
USB Client
TeensyLC
Quick take: Cheaper and lower power than other Teensy boards.
Processor:
NXP MKL26Z64
Clock Speed:
48 MHz
Flash Memory:
62 KB
RAM:
8 KB
Operating Voltage
3.3 V
GPIO
27
Analog Inputs
13
DAC
1
PWM
10
UART
3
SPI
2
I2C
2
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
No
Shield Compatible
No
Form Factor
1.4 x 0.7 in. rectangle
Special Features
USB Client
SparkFun SAMD21 Dev Breakout
Quick take: Powerful microcontroller with lots of features. Using the advanced features in code can be complicated.
Processor:
ATSSAMD21G18
Clock Speed:
48 MHz
Flash Memory:
256KB
RAM:
32KB
Operating Voltage
3.3 V
GPIO
27
Analog Inputs
6
DAC
1
PWM
10
UART
6
SPI
6
I2C
6
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
Yes
Soldered Headers?
No
Shield Compatible
No
Form Factor
2.25 x 2.1 in. rectangle
Special Features
USB client and host
SparkFun SAMD21 Mini Breakout
Quick take: Powerful microcontroller with lots of features. Using the advanced features in code can be complicated.
Processor:
ATSSAMD21G18
Clock Speed:
48 MHz
Flash Memory:
256KB
RAM:
32KB
Operating Voltage
3.3 V
GPIO
20
Analog Inputs
4
DAC
1
PWM
10
UART
6
SPI
6
I2C
6
Connector
USB Micro-B
USB-to-Serial
Native USB
LiPo Charger
No
Soldered Headers?
No
Shield Compatible
No
Form Factor
1.3 x 0.7 in. rectangle
Special Features
USB client and host