Bread, sweet potato vs. Bread, French or Vienna, whole wheat vs. Bread, onion
Side-by-side comparison of nutrient values per 100g edible portion, sourced directly from the U.S. Department of Agriculture's FoodData Central (FDC) - SR Legacy reference foods and FDC Foundation foods (April 2026 release). Each value reflects USDA's standardized laboratory analysis methodology under USDA data-documentation methodology.
Bread, onion has the most protein of the foods compared, at 8.8 g per 100g.
| Nutrient | Bread, sweet potato | Bread, French or Vienna, whole wheat | Bread, onion |
|---|---|---|---|
| Protein | 8.6 G | 8.3 G | 8.8 G |
| Total lipid (fat) | 2.9 G | 1 G | 3 G |
| Carbohydrate, by difference | 45.4 G | 49.1 G | 44.3 G |
| Energy | 241 KCAL | 239 KCAL | 238 KCAL |
| Total Sugars | 3.5 G | 0 G | 3.3 G |
| Fiber, total dietary | 1.7 G | 4.2 G | 1.7 G |
| Calcium, Ca | 36 MG | 42 MG | 36 MG |
| Iron, Fe | 3.1 MG | 0.75 MG | 3.1 MG |
| Potassium, K | 157 MG | 163 MG | 124 MG |
| Sodium, Na | 474 MG | 375 MG | 482 MG |
| Cholesterol | 4 MG | 0 MG | 4 MG |
| Fatty acids, total saturated | 0.96 G | 0 G | 0.99 G |
Values shown are per 100g edible portion from Source: USDA FoodData Central Retrieved and formatted by GetFoodFacts. For interactive comparison of up to three foods with macro bars and charts, use the main compare tool.