Using your 2016 MacBook Retina 12-inch with an Intel Core m3 processor and 8GB of RAM for Xcode is possible, but there are several performance considerations to keep in mind.

Performance Expectations

1. Processor Limitations: The Intel Core m3 processor is designed for efficiency rather than high performance. While it can handle basic Xcode tasks, you may experience slow compile times, especially with larger projects or when using features like Interface Builder that can be resource-intensive. Users have reported sluggishness and lag during code editing and compiling on similar hardware configurations, particularly with more recent versions of Xcode
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2. RAM Constraints: With only 8GB of RAM, your MacBook may struggle when running Xcode alongside other applications. This can lead to increased swapping to disk, which significantly slows down performance. Many developers recommend at least 16GB for a smoother experience with modern development tools
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3. Xcode Version Compatibility: As Xcode continues to evolve, it often requires newer macOS versions that may not be officially supported on your MacBook. For instance, newer Xcode versions may necessitate macOS Ventura or later, which your model may not support without workarounds like OpenCore Legacy Patcher
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   . This could limit your ability to use the latest features and optimizations in Xcode.

Recommendations

• Optimize Your Workflow: To enhance performance, consider optimizing your project settings and codebase. Techniques such as cleaning the build folder, managing derived data, and minimizing background applications can help improve responsiveness
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• Monitor Resource Usage: Keep an eye on Activity Monitor to identify any processes consuming excessive resources while using Xcode. Closing unnecessary applications can free up valuable RAM and CPU cycles.
• Consider Upgrading: If you find that performance is consistently inadequate for your development needs, consider upgrading to a model with a more powerful processor and additional RAM.

Referring on Macbook 2016 Retina Display M3

In summary, while you can use your MacBook for Xcode development, expect potential performance limitations due to its hardware specifications. Adjusting your workflow and being mindful of resource usage will be key to maintaining productivity.