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Red potato vs. Sweet onion — In-Depth Nutrition Comparison

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Important differences between Red potato and Sweet onion

  • Sweet onion has less Copper, Potassium, Vitamin B3, Vitamin C, Phosphorus, Vitamin B6, and Iron.
  • Red potato's daily need coverage for Copper is 13% more.
  • Red potato has 12 times more Vitamin B3 than Sweet onion. Red potato has 1.595mg of Vitamin B3, while Sweet onion has 0.133mg.

The food varieties used in the comparison are Potatoes, red, flesh and skin, baked and Onions, sweet, raw.

Infographic

Red potato vs Sweet onion infographic
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Mineral Comparison

Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 20% 2.7% 48% 26% 58% 11% 31% 1.6% 23% 0%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Contains more MagnesiumMagnesium +211.1%
Contains more PotassiumPotassium +358%
Contains more IronIron +169.2%
Contains more CopperCopper +210.7%
Contains more ZincZinc +207.7%
Contains more PhosphorusPhosphorus +166.7%
Contains more ManganeseManganese +127.6%
Contains more CalciumCalcium +122.2%
Contains less SodiumSodium -33.3%

Vitamin Comparison

Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 42% 0.6% 1.6% 0% 18% 12% 30% 20% 49% 0% 7% 20% 10%
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 16% 0.06% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
Contains more Vitamin CVitamin C +162.5%
Contains more Vitamin AVitamin A +900%
Contains more Vitamin EVitamin E +300%
Contains more Vitamin B1Vitamin B1 +75.6%
Contains more Vitamin B2Vitamin B2 +150%
Contains more Vitamin B3Vitamin B3 +1099.2%
Contains more Vitamin B5Vitamin B5 +248%
Contains more Vitamin B6Vitamin B6 +63.1%
Contains more Vitamin KVitamin K +833.3%
Contains more FolateFolate +17.4%
Contains more CholineCholine +243.6%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
2% 20% 77%
Protein: 2.3 g
Fats: 0.15 g
Carbs: 19.59 g
Water: 76.67 g
Other: 1.29 g
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Contains more ProteinProtein +187.5%
Contains more FatsFats +87.5%
Contains more CarbsCarbs +159.5%
Contains more OtherOther +290.9%
Contains more WaterWater +19%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
91% 3% 3% 3%
Starch: 15.15 g
Sucrose: 0.45 g
Glucose: 0.55 g
Fructose: 0.44 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
14% 45% 40%
Starch: 0 g
Sucrose: 0.72 g
Glucose: 2.26 g
Fructose: 2.02 g
Lactose: 0.02 g
Maltose: 0 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +60%
Contains more GlucoseGlucose +310.9%
Contains more FructoseFructose +359.1%
Contains more LactoseLactose +∞%
~equal in Maltose ~0g
~equal in Galactose ~0g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Red potato Sweet onion
Lower in Sodium ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in Sugar ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal
Lower in price Equal

All nutrients comparison - raw data values

Nutrient Red potato Sweet onion Opinion
Calories 89kcal 32kcal Red potato
Protein 2.3g 0.8g Red potato
Fats 0.15g 0.08g Red potato
Vitamin C 12.6mg 4.8mg Red potato
Net carbs 17.79g 6.65g Red potato
Carbs 19.59g 7.55g Red potato
Magnesium 28mg 9mg Red potato
Calcium 9mg 20mg Sweet onion
Potassium 545mg 119mg Red potato
Iron 0.7mg 0.26mg Red potato
Sugar 1.43g 5.02g Red potato
Fiber 1.8g 0.9g Red potato
Copper 0.174mg 0.056mg Red potato
Zinc 0.4mg 0.13mg Red potato
Starch 15.15g 0g Red potato
Phosphorus 72mg 27mg Red potato
Sodium 12mg 8mg Sweet onion
Vitamin A 10IU 1IU Red potato
Vitamin A 1µg 0µg Red potato
Vitamin E 0.08mg 0.02mg Red potato
Manganese 0.173mg 0.076mg Red potato
Selenium 0.5µg Sweet onion
Vitamin B1 0.072mg 0.041mg Red potato
Vitamin B2 0.05mg 0.02mg Red potato
Vitamin B3 1.595mg 0.133mg Red potato
Vitamin B5 0.341mg 0.098mg Red potato
Vitamin B6 0.212mg 0.13mg Red potato
Vitamin K 2.8µg 0.3µg Red potato
Folate 27µg 23µg Red potato
Choline 18.9mg 5.5mg Red potato
Saturated Fat 0.026g Sweet onion
Monounsaturated Fat 0.002g Red potato
Polyunsaturated fat 0.043g Red potato
Tryptophan 0.023mg 0.009mg Red potato
Threonine 0.075mg 0.018mg Red potato
Isoleucine 0.074mg 0.014mg Red potato
Leucine 0.109mg 0.025mg Red potato
Lysine 0.12mg 0.033mg Red potato
Methionine 0.035mg 0.009mg Red potato
Phenylalanine 0.091mg 0.024mg Red potato
Valine 0.115mg 0.02mg Red potato
Histidine 0.039mg 0.011mg Red potato
Fructose 0.44g 2.02g Sweet onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Red potato Sweet onion
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
16%
Red potato
7%
Sweet onion
Minerals Daily Need Coverage Score
22%
Red potato
8%
Sweet onion

Comparison summary

Which food contains less Sodium?
Sweet onion
Sweet onion contains less Sodium (difference - 4mg)
Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.026g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 89)
Which food is lower in Sugar?
Red potato
Red potato is lower in Sugar (difference - 3.59g)
Which food is richer in minerals?
Red potato
Red potato is relatively richer in minerals
Which food is richer in vitamins?
Red potato
Red potato is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is cheaper?
?
The foods are relatively equal in price ($)

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Red potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170435/nutrients
  2. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.