It depends to the application. If the welded element will be used in industrial or marine environment the weld zone will corrode much faster. If it is not dealing with corrosive media the difference will be much smaller/ negligible. Nevertheless, it is recommended to weld 316L with Mo containing filler.
Thanks Sir @ Grzegorz Cios for your valuable reply. The ER308L filler contains 0.3 % Mo. What is the minimum level of Mo to be kept for welding 316L? And the application is for Food industry and Oil Industry.