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Peanuts vs Walnuts: How Do They Compare?

This article explains the key similarities and differences between peanuts and walnuts, foods from the nuts and seeds group. Read on to learn more about the peanuts vs walnuts comparison.
Esther Bumpus, Health Writer

Written by Esther Bumpus, Health Writer. Updated on January 5, 2023.

Peanuts and walnuts belong to the nuts and seeds food group, an important group for a healthy diet, as they provide a wide range of essential nutrients, such as protein, healthy fats, dietary fiber, and vitamins and minerals.

In this article, we’ll put a spotlight on peanuts and walnuts and compare their similarities and differences.

They both provide a variety of nutrients and are relatively high in calories, like other nuts and seeds.

Peanuts

Peanuts (Arachis hypogaea) are a type of legume that is native to South America and is now grown in many parts of the world.

These nuts have a slightly sweet and slightly nutty flavor, and are often used in both sweet and savory dishes.

Peanuts are a good source of nutrients, including protein, fiber, and various vitamins and minerals. They are also a good source of healthy fats, including monounsaturated and polyunsaturated fats.

There are many ways to incorporate peanuts into your diet.

They can be eaten raw or roasted, and are often used in baking or as a topping for salads and other dishes.

Peanuts are also available in a variety of forms, including whole, chopped, and ground into flour.

Peanuts are widely available and can be found at most grocery stores. They are often sold roasted or raw, and can be purchased with or without the shell.

If you’re looking for a tasty and nutritious nut to add to your diet, consider giving peanuts a try.

They are flavorful, versatile, and have a variety of health benefits.

Peanuts are an excellent source of Vitamin B3 (Niacin), Vitamin B6 (Pyroxidine), and Vitamin E.

They also contain a good amount of Vitamin B1 (Thiamine), Vitamin B2 (Riboflavin), Vitamin B5 (Pantothenic acid), and Vitamin B9 (Folate).

Walnuts

Walnuts (Juglans regia) are a type of nut that is native to the temperate regions of the Northern Hemisphere.

These nuts have a slightly sweet and bitter flavor and are often used in sweet and savory dishes.

Walnuts are a good source of nutrients, including protein, fiber, and various vitamins and minerals.

They are also a good source of healthy fats, including monounsaturated and polyunsaturated fats.

There are many ways to incorporate walnuts into your diet. They can be eaten raw or roasted and are often used in baking or as a topping for salads and other dishes.

Walnuts are also available in various forms, including whole, chopped, and ground into flour.

Walnuts are widely available and can be found at most grocery stores.

They are often sold roasted or raw and can be purchased with or without the shell.

If you’re looking for a tasty and nutritious nut to add to your diet, consider giving walnuts a try. They are flavorful, versatile, and have a variety of health benefits.

Walnuts are an excellent source of Vitamin B1 (Thiamine), Vitamin B6 (Pyroxidine), and Vitamin B9 (Folate).

They also contain a good amount of Vitamin B2 (Riboflavin), and Vitamin B5 (Pantothenic acid) and some Vitamin B3 (Niacin), and Vitamin E.

Peanuts vs Walnuts Nutrition

Now that we’ve described the origin, taste, and usage of these foods, we can move to the most interesting part – comparing peanuts vs walnuts.

This comparison will start by comparing the caloric value of peanuts and walnuts and their macronutrients and then go more in-depth by analyzing their vitamin and mineral contents.

PeanutsWalnuts
Energy587 kcal654 kcal
Carbs21.26 g13.7 g
Sugar4.9 g2.61 g
Fiber8.4 g6.7 g
Protein24.35 g15.2 g
Fat49.66 g65.2 g
Saturated Fat7.723 g6.13 g

Peanuts vs Walnuts Calories

Nuts and seeds are generally high in calories; the same goes for peanuts and walnuts, so you should consume them in moderation.

According to the United States Department of Agriculture (USDA), a proper serving is one ounce, which is roughly equal to 1/4 cup or 28 grams.

To keep the portions under control, the amounts correspond to one serving size: 14 walnut halves, 16 cashews, 24 almonds, 28 peanuts, or 45 pistachios.

Comparing peanuts vs walnuts for weight loss, peanuts are slightly lower in calories, with 164 calories per serving, compared to 183 calories per serving of walnuts.

However, both peanuts and walnuts can and should be a part of a healthy diet, and neither one shouldn’t be avoided if you’re looking to lose weight. It’s just important to eat them in moderation.

Peanuts vs Walnuts Protein

Nuts and seeds, including peanuts and walnuts, are an important source of plant-based protein.

Peanuts offer around 37% more protein than walnuts.

Peanuts have 24.4 grams of protein per 100 grams (or 6.8g per serving), while walnuts have 15.2 grams of protein per 100 grams (or 4.3g per serving).

Peanuts vs Walnuts Carbs

Counting carbs can be important for some people for different reasons, including blood sugar control, weight management, or athletic performance.

It’s also important for people on a keto diet, so let’s compare the carbs content in peanuts and walnuts.

The total amount of carbohydrates is around 36% higher in peanuts than in walnuts. They have 21.3 grams per 100 grams, compared to 13.7 grams in walnuts.

There’s less sugar in walnuts than in peanuts, 50% precisely.

One handful of walnuts (28 grams) contains 0.7 grams of sugar, while the same amount of peanuts contains 1.4 grams.

Lastly, let’s take a look at the dietary fiber in peanuts and walnuts.

Dietary fiber keeps the digestive system healthy and helps with weight management by promoting a sense of fullness.

With 2.4 grams of fiber per portion, peanuts are a better source of fiber than walnuts which offer 1.9 grams per portion.

Peanuts vs Walnuts Fats

Like the other nuts and seeds, fats in peanuts and walnuts are a great source of healthy unsaturated fats, naturally cholesterol free, and free of trans fats.

Total fat in peanuts and walnuts:

  • Peanuts: 49.7 grams per 100 grams
  • Walnuts: 65.2 per 100 grams

Speaking of saturated fats, walnuts are 21% lower in saturated fats.

Walnuts and peanuts contain 6.1 grams and 7.7 grams of saturated fat per 100 grams, respectively.

Peanuts vs Walnuts Vitamins Content

This section will discuss the vitamin content of peanuts and walnuts.

Vitamins are micronutrients, meaning we need only a small amount. However, they are very important for many processes in our bodies.

Peanuts have a higher amount of vitamin A, vitamin C, vitamin B1 (Thiamine), vitamin B6 (Pyroxidine), vitamin B9 (Folate), and vitamin K.

However, walnuts have a higher amount of vitamin B2 (Riboflavin), vitamin B3 (Niacin), vitamin B5 (Pantothenic acid), and vitamin E.

Peanuts and walnuts contain the same amount of vitamin D, and vitamin B12 (Cobalamin).

The following table shows the exact amount of vitamins peanuts and walnuts contain side by side, so you can easily compare them.

PeanutsWalnuts
Vitamin A020 IU
Vitamin C01.3 mg
Vitamin D00
Vitamin B1 (Thiamine)0.152 mg0.341 mg
Vitamin B2 (Riboflavin)0.197 mg0.15 mg
Vitamin B3 (Niacin)14.355 mg1.12 mg
Vitamin B5 (Pantothenic acid)1.011 mg0.57 mg
Vitamin B6 (Pyroxidine)0.466 mg0.537 mg
Vitamin B9 (Folate)97 µg98 µg
Vitamin B12 (Cobalamin)00
Vitamin E4.93 mg0.7 mg
Vitamin K02.7 µg

Peanuts vs Walnuts Minerals Content

Minerals are important for our body to function properly. We need only a small amount of minerals, so they are called micronutrients.

Some minerals, like iron, calcium, zinc or, iodine, are relatively hard to get on a plant-based diet, so it’s important to choose your foods thoughtfully. This part of the peanuts and walnuts comparison focuses on their mineral content.

Peanuts are a better source of calcium, copper, iron, manganese, and zinc than walnuts.

On the other hand, walnuts have a higher amount of magnesium, phosphorus, potassium, selenium, and sodium.

Peanuts and walnuts contain the same amount of fluoride.

Check out the table below to learn how peanuts and walnuts compare when it comes to mineral contents.

PeanutsWalnuts
Calcium58 mg98 mg
Copper0.428 mg1.59 mg
Fluoride00
Iron1.58 mg2.91 mg
Magnesium178 mg158 mg
Manganese1.786 mg3.41 mg
Phosphorus363 mg346 mg
Potassium634 mg441 mg
Selenium9.3 µg4.9 µg
Sodium6 mg2 mg
Zinc2.77 mg3.09 mg

The Final Word

Peanuts and walnuts are highly nutritious and excellent sources of plant-based protein and healthy fats.

Although they are relatively high in calories, they are essential to a healthy, plant-based diet and are linked to many health benefits.

Both peanuts and walnuts are high in specific vitamins and minerals, and including them in your diet will give you the most benefits they offer.

Nuts and seeds are versatile foods, and can be part of any meal or salad, just be sure to eat them moderately, as they are loaded with calories.

Nuts and seeds are versatile foods and can be part of any meal or salad, just be sure to eat them moderately, as they are loaded with calories.

Sources

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