Difference between smoke and sanity testing?

Question

Accepted Answer

Smoke testing is a subset of sanity testing. Smoke testing verifies basic functionality, while sanity testing checks for logical errors.

Smoke testing is performed to ensure that the critical functionalities of the software are working as expected.
Sanity testing is performed to check if the newly added or modified functionality is working fine and does not break the existing functionalities.
Smoke testing is executed after a build is received, while sanity testing is performed after the smoke testing is completed.
Smoke testing is a shallow and wide approach, while sanity testing is a narrow and deep approach.
Smoke testing is usually performed by developers or testers, while sanity testing is typically performed by testers.

Accepted Answer

Smoke testing is a verify the critical functionality of the system it is done by a both tester and developer it is subset of acceptance testing

Sanity testing is verify the new functionality of the testing like bug fixes it is done by only tester it is subset of regression testing

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