Ferrari Portofino (2020) is 208 mm (8.19 inch) longer, 138 mm (5.43 inch) wider, 25 mm (0.98 inch) higher and has 130 liters (4.59 ft3) bigger cargo space than Porsche Cayman (2018).
Porsche Cayman (2018) is 259 kg (571 lbs) lighter than Ferrari Portofino (2020).