Pistachios vs Walnuts: Which Has More Calories?
Per 100 g, Pistachios has 557 kcal and Walnuts has 654 kcal, so Pistachios has 15% fewer calories.
Pistachios has more protein (20.6 g vs 15.2 g). Pistachios has more fiber (10.3 g vs 6.7 g). Walnuts has more fat (65.2 g vs 44.4 g). Relative to calories, Pistachios is the better protein source (3.7 g vs 2.33 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
Pistachios vs Walnuts 100g Compare
| per 100g | Pistachios | Walnuts |
|---|---|---|
| Calories | 557 | 654 |
| Carbohydrates | 27.97 g | 13.71 g |
| Fat | 44.44 g | 65.21 g |
| Dietary fiber | 10.3 g | 6.7 g |
| Protein | 20.6 g | 15.23 g |
| Calcium | 107 mg | 98 mg |
| Iron | 4.15 mg | 2.9 mg |
| Magnessium | 121 mg | 158 mg |
| Phosphorus | 376 mg | 346 mg |
| Potassium | 1025 mg | 441 mg |
| Sodium | 1 mg | 2 mg |
| Zink | 2.2 mg | 3.09 mg |
| Vitaminium A | 553 IU | 20 IU |
| Vitaminium B1 (Thiamine) | 0.87 mg | 0.341 mg |
| Vitaminium B2 (riboflavin) | 0.16 mg | 0.15 mg |
| Vitaminium B3 (Niacin) | 1.3 mg | 1.125 mg |
| Vitaminium B5 | 0.52 mg | 0.57 mg |
| Vitaminium B6 | 1.7 mg | 0.537 mg |
| Vitaminium B9 (Folic acid) | 51 µg | 98 µg |
| Vitaminium C | 5 mg | 1.3 mg |
| Vitaminium E | 22.6 mg | 20.83 mg |
| Beta karoten | 332 µg | 12 µg |
Less Calories in Pistachios
At first glance, you can see that in pistachios is less calories than in walnuts.
Pistachios has 557 kcal per 100g and walnuts 654 kcal per 100g so it is pretty easy to calculate that the difference is about 17%.
In pistachios and in walnuts most calories came from fat.
See tables below to compare pistachios with walnuts in details.
Pistachios 100g
557kcalCalories source
- 19% CARBS.
- 14% PROTEIN
- 67% FAT
Walnuts 100g
654kcalCalories source
- 8% CARBS
- 9% PROTEIN
- 84% FAT
Compares of pistachios
Compares of walnuts
About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.