WellByNumbers.

Banana vs Apple (with skin)

Both count toward 30 plants a week.

BananaApple (with skin)
Protein · per 100 g1.1 g0.1 g
Carbs · per 100 g22.8 g14.8 g
Fat · per 100 g0.3 g0.1 g
Fiber · per 100 g2.6 g2.1 g
Energy · per 100 g89.0 kcal52 kcal
Protein · per 100 kcal1.2 g0.2 g
To hit 30 g protein2752 g · 2450 kcal23077 g · 12000 kcal

The same three numbers, drawn

Protein / 100 g1.10.1Fiber / 100 g2.62.1Protein / 100 kcal1.20.2BananaApple

What 30 g of protein looks like on a plate

2752 gBanana2450 kcal rides along23077 gApple12000 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

4%carbs 93%3%
1%carbs 97%2%

The one-line verdict: Banana delivers 4.9× the protein per calorie of Apple (with skin) (1.2 g vs 0.2 g per 100 kcal).

More protein / 100 g: BananaMore fiber / 100 g: BananaLighter per 100 g: AppleSmaller 30 g portion: Banana

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.