WellByNumbers.

Sweet potato (baked) vs Potato (baked, skin on)

Both count toward 30 plants a week.

Sweet potato (baked)Potato (baked, skin on)
Protein · per 100 g2.0 g2.5 g
Carbs · per 100 g20.7 g21.1 g
Fat · per 100 g0.1 g0.1 g
Fiber · per 100 g3.3 g2.2 g
Energy · per 100 g90.0 kcal93.0 kcal
Protein · per 100 kcal2.2 g2.7 g
To hit 30 g protein1493 g · 1343 kcal1200 g · 1116 kcal

The same three numbers, drawn

Protein / 100 g2.02.5Fiber / 100 g3.32.2Protein / 100 kcal2.22.7Sweet potatoPotato

What 30 g of protein looks like on a plate

1493 gSweet potato1343 kcal rides along1200 gPotato1116 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 9%carbs 90%1%
protein 10%carbs 88%1%

The one-line verdict: Potato (baked, skin on) delivers 1.2× the protein per calorie of Sweet potato (baked) (2.7 g vs 2.2 g per 100 kcal).

More protein / 100 g: PotatoMore fiber / 100 g: Sweet potatoLighter per 100 g: Sweet potatoSmaller 30 g portion: Potato

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.