Nutrients are present in all the fruits but in different quantities. Hence, it is essential to be aware of the nutritional value of fruits before we add them to our health routine. Passionfruit vs Papaya Nutrition will help you choose the best fruit among the two. Carbs in Passionfruit and Papaya are 23.40 g and 10.82 g respectively. The protein content of Passionfruit and Papaya is 2.20 g and 0.50 g. Protein to carb ratio of any fruit must be approximately 1.34. Protein to carb ratio of Passionfruit is 0.09 and in Papaya, it is 0.05. Nutritional value of fruits is incomparable to other food items. They provide all the vital nutrients required for proper functioning of our body.