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Pistachios vs Walnuts

Calories, macronutrients and nutrition facts compared side by side (per 100g).

Nutrition Comparison

Per 100gPistachiosWalnuts
Calories560kcal654kcal
Protein20.2g15.2g
Carbs27.2g13.7g
Fat45.3g65.2g
Fiber10.6g6.7g
Sugar7.7g2.6g
Sodium1mg2mg

Green marks the more favorable value (fewer calories/sugar/sodium, more protein/fiber).

Key Takeaways

  • Pistachios has 94 fewer calories per 100g than Walnuts (17% less).
  • Pistachios delivers more protein (20.2g vs 15.2g per 100g).
  • Pistachios has more fiber (10.6g vs 6.7g).
  • Pistachios contains less fat (45.3g vs 65.2g).
  • Walnuts has less sugar (2.6g vs 7.7g).

Pistachios

Pistachios are among the highest-protein and highest-fiber nuts, with a favorable fat profile and antioxidants like lutein. Eating them in the shell naturally slows your pace, and the empty shells are a visual cue that can curb overeating.

View Pistachios nutrition →

Walnuts

Walnuts are one of the few plant foods with a significant amount of ALA omega-3 fatty acids — about 2.5g per 28g serving. Regular consumption has been linked in randomized trials to improvements in LDL cholesterol and inflammatory markers. They are calorie-dense, so portion control matters.

View Walnuts nutrition →

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