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Potato vs. Watermelon — In-Depth Nutrition Comparison

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How are potatoes and watermelon different?

  • Potatoes are richer in vitamin B6, vitamin C, potassium, copper, iron, manganese, fiber, phosphorus, and vitamin B3, while watermelon is higher in vitamin A.
  • Potatoes cover your daily need for vitamin B6, 19% more than watermelon.
  • Potatoes contain 6 times more vitamin B3 than watermelon. Potatoes contain 1.061mg of vitamin B3, while watermelon contains 0.178mg.

Potatoes, flesh and skin, raw and Watermelon, raw types were used in this article.

Infographic

Potato vs Watermelon infographic
Infographic link

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.
Potato
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 3.6% 38% 30% 37% 8.2% 24% 0.78% 26% 2.2%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 2.1% 9.9% 9% 14% 2.7% 4.7% 0.13% 5% 2.2%
Contains more MagnesiumMagnesium +130%
Contains more CalciumCalcium +71.4%
Contains more PotassiumPotassium +279.5%
Contains more IronIron +237.5%
Contains more CopperCopper +161.9%
Contains more ZincZinc +200%
Contains more PhosphorusPhosphorus +418.2%
Contains more ManganeseManganese +426.3%
Contains less SodiumSodium -83.3%
~equal in Selenium ~0.4µg

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.
Potato
9
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 66% 0% 0.2% 0% 20% 7.4% 20% 18% 69% 0% 5% 11% 6.6%
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 27% 9.3% 1% 0% 8.3% 4.8% 3.3% 13% 10% 0% 0.25% 2.3% 2.2%
Contains more Vitamin CVitamin C +143.2%
Contains more Vitamin B1Vitamin B1 +145.5%
Contains more Vitamin B2Vitamin B2 +52.4%
Contains more Vitamin B3Vitamin B3 +496.1%
Contains more Vitamin B5Vitamin B5 +33.5%
Contains more Vitamin B6Vitamin B6 +562.2%
Contains more Vitamin KVitamin K +1900%
Contains more FolateFolate +400%
Contains more CholineCholine +195.1%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +400%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Potato
3
2% 17% 79%
Protein: 2.05 g
Fats: 0.09 g
Carbs: 17.49 g
Water: 79.25 g
Other: 1.12 g
8% 91%
Protein: 0.61 g
Fats: 0.15 g
Carbs: 7.55 g
Water: 91.45 g
Other: 0.24 g
Contains more ProteinProtein +236.1%
Contains more CarbsCarbs +131.7%
Contains more OtherOther +366.7%
Contains more FatsFats +66.7%
Contains more WaterWater +15.4%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Potato
0
36% 3% 61%
Saturated fat: Sat. Fat 0.025 g
Monounsaturated fat: Mono. Fat 0.002 g
Polyunsaturated fat: Poly. Fat 0.042 g
16% 36% 49%
Saturated fat: Sat. Fat 0.016 g
Monounsaturated fat: Mono. Fat 0.037 g
Polyunsaturated fat: Poly. Fat 0.05 g
Contains less Sat. FatSaturated fat -36%
Contains more Mono. FatMonounsaturated fat +1750%
Contains more Poly. FatPolyunsaturated fat +19%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Potato
1
95% 2%
Starch: 15.29 g
Sucrose: 0.17 g
Glucose: 0.31 g
Fructose: 0.26 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
19% 25% 54%
Starch: 0 g
Sucrose: 1.21 g
Glucose: 1.58 g
Fructose: 3.36 g
Lactose: 0 g
Maltose: 0.06 g
Galactose: 0 g
Contains more StarchStarch +∞%
Contains more SucroseSucrose +611.8%
Contains more GlucoseGlucose +409.7%
Contains more FructoseFructose +1192.3%
Contains more MaltoseMaltose +∞%
~equal in Lactose ~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.
Potato Watermelon
Lower in Sodium ok
Lower in Saturated fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Sugar ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Potato Watermelon DV% diff.
Vitamin B6 0.298mg 0.045mg 19%
Vitamin C 19.7mg 8.1mg 13%
Potassium 425mg 112mg 9%
Copper 0.11mg 0.042mg 8%
Fiber 2.1g 0.4g 7%
Manganese 0.2mg 0.038mg 7%
Phosphorus 57mg 11mg 7%
Iron 0.81mg 0.24mg 7%
Vitamin B3 1.061mg 0.178mg 6%
Starch 15.29g 0g 6%
Fructose 0.26g 3.36g 4%
Vitamin B1 0.081mg 0.033mg 4%
Folate 15µg 3µg 3%
Carbs 17.49g 7.55g 3%
Magnesium 23mg 10mg 3%
Vitamin A 0µg 28µg 3%
Protein 2.05g 0.61g 3%
Zinc 0.3mg 0.1mg 2%
Vitamin K 2µg 0.1µg 2%
Calories 77kcal 30kcal 2%
Vitamin B2 0.032mg 0.021mg 1%
Vitamin B5 0.295mg 0.221mg 1%
Calcium 12mg 7mg 1%
Choline 12.1mg 4.1mg 1%
Fats 0.09g 0.15g 0%
Net carbs 15.39g 7.15g N/A
Sugar 0.82g 6.2g N/A
Sodium 6mg 1mg 0%
Vitamin E 0.01mg 0.05mg 0%
Selenium 0.4µg 0.4µg 0%
Saturated fat 0.025g 0.016g 0%
Monounsaturated fat 0.002g 0.037g 0%
Polyunsaturated fat 0.042g 0.05g 0%
Tryptophan 0.021mg 0.007mg 0%
Threonine 0.067mg 0.027mg 0%
Isoleucine 0.066mg 0.019mg 0%
Leucine 0.098mg 0.018mg 0%
Lysine 0.107mg 0.062mg 0%
Methionine 0.032mg 0.006mg 0%
Phenylalanine 0.081mg 0.015mg 0%
Valine 0.103mg 0.016mg 0%
Histidine 0.035mg 0.006mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Potato Watermelon
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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
17%
Potato
6%
Watermelon
Minerals Daily Need Coverage Score
19%
Potato
6%
Watermelon

Comparison summary

Which food contains less Sodium?
Watermelon
Watermelon contains less Sodium (difference - 5mg)
Which food is lower in Saturated fat?
Watermelon
Watermelon is lower in Saturated fat (difference - 0.009g)
Which food is lower in glycemic index?
Watermelon
Watermelon is lower in glycemic index (difference - 10)
Which food is cheaper?
Watermelon
Watermelon is cheaper (difference - $0.1)
Which food is lower in Sugar?
Potato
Potato is lower in Sugar (difference - 5.38g)
Which food is richer in minerals?
Potato
Potato is relatively richer in minerals
Which food is richer in vitamins?
Potato
Potato is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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. Potato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170026/nutrients
  2. Watermelon - https://fdc.nal.usda.gov/fdc-app.html#/food-details/167765/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.