Difference between Sanity and Regression Testing

Distinction between Sanity and Regression Testing

Sanity Testing	Regression Testing
1. Sanity testing is a surface level testing where QA engineer verifies that all the menus, functions and commands available/presented in the product are working fine.	1. Regression testing is not a surface level testing.
2. Sanity testing is considered as a subset of regression testing.	2. Regression testing is not considered as a subset of any.
3. This testing is performed/executed when testers have not much/enough time for doing testing.	3. This testing is performed/executed when tester’s have enough time for testing.
4. Sanity testing is usually conducted manually not by using any automation tools.	4. Regression testing may be conducted/consider manually or using automated tools.
5. Performing this type of testing will not enlarge the product/project cost and budget because it didn't require much manpower and time.	5. Performing this type of testing definitely will enlarge the product cost and budget because it requires more manpower and time.
6. Not complete test cases are executed/ performed in the product during sanity testing.	6. During this testing complete test cases are executed/ performed in the product.
7. During this testing tester test the application or product with finer details.	7. During this testing tester test the application or product with more details.
8. We do not use script for sanity testing.	8. We use script for regression testing.

Conclusion

At end we conclude that these are the quick and simple Differences between Sanity and Regression Testing in tabular form but the main difference is in its use. We use Regression Testing when we have enough time for Testing, and we use Sanity Testing when we do not have enough time for Testing.

But keep one thing in mind that purpose of both the Regression and Sanity Testing is same; the only difference is in its use.