Severity is the impact of a defect on the system while priority is the order in which it should be fixed.

• Severity is based on the impact of the defect on the system's functionality, performance, and s...read more

Severity is basically a parameter that denotes the total impact of a given defect on any software. Priority is basically a parameter that decides the order in which we should fix the defects.

Severity is a term that denotes how severely a defect can affect the functionality of the software. Priority is a term that defines how fast we need to fix a defect.