Peanut butter vs Butter: calories & macros

What the numbers say

Per 100 g Butter carries 717 kcal against 588 in Peanut butter — 129 kcal more, 22% on top. The gap sits in the fat — 81 g in Butter against 50 g — while protein runs the other way: 25 g in Peanut butter against 0.9 g. Per 100 kcal Peanut butter carries 4.3 g of protein against 0.1 g in Butter. Peanut butter wins both counts here: fewer calories per 100 g, and more protein for them.