Shape and Texture – Pecans are smoother, while walnuts have a rough shell.
Flavor Profile – Pecans are sweeter, walnuts are more bitter and earthy.
Nutritional Content – Walnuts are higher in omega-3s; pecans have more antioxidants.
Culinary Uses – Pecans are common in desserts; walnuts in savory dishes.
Growth and Harvesting – Both grow on trees but prefer different climates.
Health Benefits – Both support brain function, heart health, and digestion.
Storage and Shelf Life – Pecans stay fresh longer; walnuts turn rancid faster.