What is Android Parcelable vs Serializable?

Updated Apr 28, 2026

Short answer

Parcelable is faster than Serializable for passing data.

Deep explanation

Parcelable is Android-specific and optimized for performance, while Serializable uses reflection and is slower.

Real-world example

Passing objects between activities.

Common mistakes

  • Using Serializable for large data.

Follow-up questions

  • Why Parcelable faster?
  • When use Serializable?

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