Raspberry Pi Pico 2 W Vs Original Pico W - Comprehensive Guide

Raspberry Pi Pico W vs. Pico 2 W: A Comprehensive Comparison

The Raspberry Pi Pico W and Pico 2 W are powerful microcontrollers designed for IoT and embedded systems. The Pico 2 W builds on the foundation of the Pico W, introducing new features and performance improvements. If the Pico platform isn't right for you, we have a wide range of other Raspberry Pi products available.

1. Processor and Performance

Pico W

• Powered by the RP2040 chip, with a dual-core Cortex-M0+ processor running at 133 MHz.
• Designed for basic IoT tasks, offering sufficient power for many projects.

Pico 2 W

• Features the RP2350 chip, introducing high flexibility with a dual-core architecture:
• Developers can choose between two Arm Cortex-M33 cores, two Hazard3 RISC-V cores, or a combination of both.
• Each core operates at speeds up to 150 MHz.
• Supports floating-point operations and Arm TrustZone for enhanced security.

Key Upgrade

The RP2350’s configurability and added processing power allow for optimized performance, making the Pico 2 W ideal for demanding and secure IoT applications.

2. Wireless Connectivity

Pico W

• Equipped with the Infineon CYW43439 wireless chip.
• Supports 2.4 GHz Wi-Fi (802.11n) and basic Bluetooth 5.0.

Pico 2 W

• Retains the same CYW43439 wireless chip.
• Supports Bluetooth 5.2, offering better energy efficiency and faster connections.

Key Upgrade

Pico 2 W enhances Bluetooth capabilities, providing better compatibility for modern IoT ecosystems.

3. Memory and Power Efficiency

Pico W

• Standard memory and power optimization of the RP2040 platform.

Pico 2 W

• Increased memory capacity for handling larger programs.
• Optimized power consumption, making it ideal for battery-powered projects.

Key Upgrade

Higher memory capacity and better energy efficiency enhance performance and longevity for battery-powered devices.

4. Security Features

Pico W

• Basic security features.

Pico 2 W

Security is a major focus in the Pico 2 W, thanks to enhancements introduced by the RP2350 microcontroller:

Arm TrustZone

• Creates hardware-enforced separation between secure and non-secure code.
• Prevents unauthorized access to sensitive resources, ensuring data protection and system integrity.

Secure Boot

• Ensures only authenticated firmware runs, protecting against tampering and unauthorized execution.

Hardware Accelerators

• SHA-256 Accelerator: Improves cryptographic hashing, enhancing secure communications.
• True Random Number Generator (TRNG): Generates secure, unpredictable encryption keys.

Key Upgrade

These features make the Pico 2 W a strong choice for secure applications, including:

• Encrypted communications
• Data protection
• IoT devices handling sensitive information

5. Form Factor and Prototyping

• Both Pico W and Pico 2 W maintain a breadboard-friendly form factor, ensuring easy prototyping.
• The Pico 2 W supports the upcoming RM2 radio module, allowing scaling from prototype to production.

6. Software Support

• Both models are supported by C/C++ and MicroPython libraries.
• Ideal for both beginners and advanced developers.

7. Use Cases

Pico W

• Best for simple IoT projects requiring basic connectivity.
• Ideal for DIY electronics, sensor monitoring, and home automation.

Pico 2 W

• Best for advanced IoT applications, including:
• Industrial automation
• Secure data logging
• Cloud-connected devices
• A great choice for projects needing strong security and higher processing power.

Future Developments

Raspberry Pi has hinted at exciting expansions for the Pico 2 series. Unlike the Pico 1 series, which concluded with the Pico W, the Pico 2 lineup will continue evolving.

Conclusion

The Raspberry Pi Pico 2 W is a major upgrade over the Pico W, offering:

• Better performance
• Enhanced security
• Improved wireless capabilities

While the Pico W remains an excellent choice for basic projects, the Pico 2 W is ideal for developers building sophisticated, secure IoT solutions.