WellByNumbers.

Pecans vs Walnuts

Both count toward 30 plants a week.

PecansWalnuts
Protein · per 100 g9.2 g15.2 g
Carbs · per 100 g13.9 g13.7 g
Fat · per 100 g72.0 g65.2 g
Fiber · per 100 g9.6 g6.7 g
Energy · per 100 g691.0 kcal654.0 kcal
Protein · per 100 kcal1.3 g2.3 g
To hit 30 g protein327 g · 2261 kcal197 g · 1288 kcal

The same three numbers, drawn

Protein / 100 g9.215.2Fiber / 100 g9.66.7Protein / 100 kcal1.32.3PecansWalnuts

What 30 g of protein looks like on a plate

327 gPecans2261 kcal rides along197 gWalnuts1288 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

5%carbs 7%fat 88%
protein 9%carbs 8%fat 84%

The one-line verdict: Walnuts delivers 1.8× the protein per calorie of Pecans (2.3 g vs 1.3 g per 100 kcal).

More protein / 100 g: WalnutsMore fiber / 100 g: PecansLighter per 100 g: WalnutsSmaller 30 g portion: Walnuts

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.