First on the basis of meaningInjuria sine damunm means violation of a legal right without actual loss or damages where as Damnum sine injuria means actual or substantial Damages without infringement of a legal right.

Second on the basis of actionInjuria sine damunm is always actionable where as Damnum sine injuria is never actionable.

Third on the basis of nature of wrongInjuria sine damunm contemplates legal wrongs where there is a remedy where as Damnum sine injuria contemplates only moral wrongs without any remedy.

Fourth on the basis of act of defendant – In Injuria sine damunm defendant acts illegally to violate legal right of the plaintiff where as In Damnum sine injuria defendant acts legally and thereby causes harm to the plaintiff.