Ireland secured a hard-fought 22-19 victory over Argentina at the Aviva Stadium on Friday, but it was another unconvincing performance from Andy Farrell's men.
The Springboks were in a ruthless mood as they overpowered a valiant Argentina side 48-7 to clinch the Rugby Championship title in some style.
Argentina head coach Felipe Contepomi has made seven changes to his starting XV for the crunch Rugby Championship clash against the Springboks in Nelspruit.
Springbok coach Rassie Erasmus is planning for his charges to dictate proceedings when they face Argentina in the Rugby Championship decider on Saturday.
The Springboks will take the lessons learned in their heart-breaking 29-28 defeat against Los Pumas in Santiago del Estero into Saturday's Rugby Championship decider in Nelspruit.
Springbok coach Rassie Erasmus said they were hurting after their nail-biting defeat against Argentina in the penultimate round of the Rugby Championship in Santigo del Estero on Saturday night.