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Agile is based on iterative planning and feedback throughout the process, while Waterfall requires extensive planning upfront and follows a sequential design process.

Agile methodology allows for more flexibility and adaptation to changes, whereas Waterfall is more rigid and less accommodating to change once the project has started.

In Agile, customer feedback is sought continuously, whereas in Waterfall, customer input is typically gathered upfront and changes after that stage can be difficult to implement.

Testing in Agile occurs concurrently with development, while in Waterfall, it is performed after the development phase, at the end of the cycle.

Agile allows for the delivery of work in increments or iterations, often resulting in multiple releases; Waterfall usually has a single release at the end of the project.

Agile is suited for projects with high levels of uncertainty or those that are expected to undergo changes; Waterfall is ideal for projects with clear expectations and no expected changes.

Agile promotes frequent communication and close collaboration, while Waterfall teams may work more independently and in silos until they merge their work during later phases.

Agile uses a more flexible and less centralized approach to project management, whereas Waterfall uses a more traditional hierarchical model.

Agile accommodates and even welcomes requirement changes, while in Waterfall, requirement changes are generally discouraged once the project has begun.

In Agile methodology, control is more distributed among team members, while in Waterfall, control is typically more centralized and higher-level.

Agile often produces less documentation in favor of working software and customer collaboration, while Waterfall typically requires comprehensive documentation throughout the project life cycle.

Agile can lead to a faster time to market due to its incremental release structure, while Waterfall tends to have a longer time to market with its end-of-project release schedule.

Agile allows the project scope to evolve over time, whereas Waterfall defines the full project scope at the beginning, which typically remains unchanged.

Agile reduces risks by allowing issues to be identified and corrected early on; Waterfall's longer phases increase the risk that problems will only become apparent after much work has been done.