Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Chicken Breast vs Walnuts: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Chicken Breast is generally healthier

Chicken Breast comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has fewer calories (165 vs 654), more protein (31g vs 9g), less sugar (0g vs 2.6g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Chicken Breast

165 kcal

More Protein

Chicken Breast

31g

More Fiber

Walnuts

6.7g

Less Sugar

Chicken Breast

0g

Visual Comparison

Caloriesper 100g
Chicken Breast
165
Walnuts
654
Proteinper 100g
Chicken Breast
31g
Walnuts
9g
Carbohydratesper 100g
Chicken Breast
0g
Walnuts
14g
Fatper 100g
Chicken Breast
3.6g
Walnuts
65g

Side-by-Side Nutrition Table

NutrientChicken BreastWalnutsDifference
Calories165kcal654kcal-489.0kcal
Protein31g9g+22.0g
Carbohydrates0g14g-14.0g
Fat3.6g65g-61.4g
Fiber0g6.7g-6.7g
Sugar0g2.6g-2.6g
Sodium74mg2mg+72.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Chicken Breast

Per 100g:165 calories
Per cup (150g):248 calories
Per serving (85g):140 calories

Walnuts

Per 100g:654 calories
Per cup (150g):981 calories
Per serving (85g):556 calories

Diet Compatibility

Chicken Breast

Low-CarbHigh-ProteinPaleoLow-Sodium

Walnuts

VeganVegetarianPaleoLow-Sodium

When to Choose Chicken Breast

  • Lower in calories (165 vs 654)
  • Higher in protein (31g vs 9g)
  • Lower in carbs (0g vs 14g)
  • Less sugar (0g vs 2.6g)

Common Uses

Main dishesMeal prepGrillingHigh-protein meals
View full Chicken Breast nutrition →

When to Choose Walnuts

  • More fiber (6.7g vs 0g)
  • Lower sodium (2mg vs 74mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Walnuts nutrition →

Chicken Breast vs Walnuts: Nutritional Analysis

Walnuts is more calorie-dense at 654 calories per 100g compared to 165 for Chicken Breast, a difference of 489 calories. On the protein front, Chicken Breast delivers more with 31g per 100g versus 9g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Chicken Breast and Walnuts tell different nutritional stories. Chicken Breast provides 0g of carbohydrates, 3.6g of fat, and 0g of fiber per 100g, while Walnuts contains 14g carbs, 65g fat, and 6.7g fiber. The higher fiber content in Walnuts supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Chicken Breast contains 0g while Walnuts has 2.6g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Chicken Breast is the lower-calorie choice at 165 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Chicken Breast provides more protein (31g/100g), supporting muscle repair and growth.
  • For sustained energy: Walnuts offers more fiber (6.7g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Chicken Breast or Walnuts?

Walnuts has more calories with 654 kcal per 100g, compared to Chicken Breast with 165 kcal. That's a difference of 489 calories per 100g serving.

Is Chicken Breast healthier than Walnuts?

Based on our nutritional analysis, Chicken Breast is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Chicken Breast has 165 calories, 31g protein, and 0g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Chicken Breast and Walnuts?

Chicken Breast has more protein with 31g per 100g, compared to Walnuts with 9g. Chicken Breast provides 22.0g more protein per 100g serving.

Which is better for weight loss, Chicken Breast or Walnuts?

For weight loss, Chicken Breast is the better choice with only 165 calories per 100g compared to 654 calories in Walnuts. Walnuts also offers 6.7g of fiber per 100g, which helps you feel fuller longer.

Does Chicken Breast or Walnuts have fewer carbs?

Chicken Breast has fewer carbs with 0g per 100g, compared to Walnuts with 14g. If you're following a low-carb diet, Chicken Breast is the better option with 14.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.