Fusion vs. Fission release energy when they are split apart Fission vs. Fusion fission and fusion three to four times more power than fission Nuclear Fission and Fusion three to four times more power than fission Diffen.com http://www.diffen.com/difference/Nuc...Nuclear_Fusion three to four times three to four times more power than fission three to four times the energy Continue Reading... release energy when they are split apart Fission vs Fusion nuclear 3-4 times three to four times more power than fission nuclear release energy when they are split apart Part C