Difference between Performance Testing and Load Testing

What is performance testing?

It is a testing method that makes sure that the software application can perform as expected under an expected workload. The capability and quality of a product are analyzed by performance testing. The system’s or application’s performance is determined in terms of stability, reliability and speed under a varying workload. There are qualified and reliable software testing service providers that provide performance testing solutions in a standardized and customized manner.

 

What is Load testing?

It is a testing method that ascertains how an application performs under peak load scenarios. This testing method confirms that the intended performance objectives and goals mentioned in the Service Level Agreement (SLA) are in line with the application. The application is properly validated in order to ascertain whether it can function as expected in realistic load scenarios.


Differences between performance testing and load testing:

Performance testing

Load testing

This testing method makes sure that the system or application performs as expected under varying workloads

This testing method analyzes the number of users the system or application can handle at a time without  the performance being degraded

It is performed above and below the threshold limits

It is performed at threshold limits

The performance of the system or application is checked and evaluated

The operational capacity of the application or system is checked

The tools required to conduct performance testing are not costly

The tools required to conduct load testing are very  costly

The speed, scalability and reliability of the system or application are checked using this testing method

The sustainability of the application or system is checked using this testing method

The behavior of the system or application is checked under normal load

The behavior of the system is checked under extreme load

It is a superset of load testing

It is a subset of performance testing

The standards and benchmarks of the application are set by this testing method

The upper limit of the system is recognized by this testing method.
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