Food comparison
Sweet potato vs Potato
Per 100 g, sweet potato has 90 calories and 2 g protein; potato has 93 calories and 2.5 g protein. The full breakdown is below.
Nutrition comparison chart
Per 100 g. Each row is scaled to the larger of the two values.
Higher value in each row is shown in green. Comparison is fairest per 100 g.
Key metrics compared
Sweet potato is the leaner choice at 90 kcal per 100 g, while Potato delivers more protein per calorie (2.7 vs 2.2 g per 100 kcal). Potato also carries more absolute protein per 100 g.
| Per 100 g | Sweet potato | Potato |
|---|---|---|
| Calories | 90 kcal | 93 kcal |
| Protein | 2 g | 2.5 g |
| Protein per 100 kcal | 2.2 g | 2.7 g |
| Dietary fiber | 3.3 g | 2.2 g |
| Total carbohydrate | 20.7 g | 21.2 g |
| Total fat | 0.2 g | 0.1 g |
| Calories from protein | 9% | 10% |
Green marks the more favourable value — higher for protein and fiber, lower for calories. Calories-from-protein uses Atwater factors.
Questions
- Which has more protein, sweet potato or potato?
- Potato has more protein — 2.5 g vs 2 g per 100 g.
- Which has fewer calories?
- Sweet potato has fewer calories — 90 vs 93 per 100 g.
- Which is more protein-dense?
- Potato provides more protein per calorie — 2.7 g vs 2.2 g per 100 kcal — which matters most when calories are limited.
- What's the main difference between sweet potato and potato?
- Per 100 g, sweet potato has 90 calories and 2 g protein, while potato has 93 calories and 2.5 g protein. See the full table above for fat, carbs, fiber, and minerals.
Full nutrition
References & methodology
- Data source: U.S. Department of Agriculture, FoodData Central — Sweet potato (FDC 170134) and Potato (FDC 170111) (public domain).
- Basis: all figures per 100 g; calorie split uses Atwater factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat).
- Last reviewed: June 2026. Values are typical figures and vary with variety and preparation.
NutriFactsHub. “Sweet potato vs Potato: Nutrition Comparison.” https://www.nutrifactshub.com/compare/sweet-potato-vs-potato
Keep exploring
Compare more than two foods at once, see which foods top each nutrient, or sort the full table yourself.