Pecans vs Walnuts

Side-by-side macro comparison. Pecans vs Walnuts per their standard serving sizes.

Pecans

per 1 oz (28g)

196 cal
2.6g Protein
4g Carbs
20g Fat
Full Pecans macros →
vs

Walnuts

per 1 oz (28g)

185 cal
4.3g Protein
3.9g Carbs
18g Fat
Full Walnuts macros →

Macro Comparison Table

Macro Pecans Walnuts Difference
Calories 196 cal 185 cal +6% Pecans
Protein 2.6g 4.3g -40% Pecans
Carbs 4g 3.9g +3% Pecans
Fat 20g 18g +11% Pecans

Differences shown relative to Pecans. Positive = Pecans has more.

Quick Take

Pecans delivers 196 calories per serving with 2.6g protein, 4g carbs, and 20g fat. Walnuts delivers 185 calories with 4.3g protein, 3.9g carbs, and 18g fat. The most meaningful difference: they're within 11 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Walnuts gives you 11 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Walnuts delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. Pecans brings 196 calories — useful when you're chasing a surplus and struggling to eat enough. Walnuts delivers 4.3g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Both Pecans and Walnuts are keto-friendly with under 10g carbs per serving.

Frequently Asked

Which has more protein, Pecans or Walnuts?

Walnuts has more protein: 4.3g vs 2.6g per serving. That's a difference of 1.6999999999999997g.

Which has fewer calories, Pecans or Walnuts?

Walnuts has 185 calories per serving vs 196 calories in Pecans — a difference of 11 calories.

Is Pecans or Walnuts better for keto?

Walnuts is the better keto choice at 3.9g carbs per serving vs 4g carbs in Pecans.

Is Pecans or Walnuts better for weight loss?

For weight loss, Walnuts gives you more calorie flexibility (11 cal less per serving). For preserving muscle during a deficit, Walnuts delivers more protein per calorie. Most people on cuts benefit from Walnuts.

Which Is Better for Your Goal?

🔥 Weight Loss

Walnuts

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

Walnuts

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Walnuts

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

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Related Comparisons

Other ways Pecans and Walnuts stack up:

Full Pecans guideFull Walnuts guideAll comparisons