Head-to-head comparison

Peanuts (dry roasted) vs Black Beans (cooked): Which Has More Protein?

On paper, Peanuts (dry roasted) and Black Beans (cooked) solve a similar problem — protein intake — but they get there differently enough to be worth a direct look.

Peanuts (dry roasted)

25.8gprotein / 100g

567 cal · 49.2g fat · $ · Quality 0.52

Black Beans (cooked)

8.9gprotein / 100g

132 cal · 0.5g fat · $ · Quality 0.6

This isn't close. Peanuts (dry roasted) packs 25.8g of protein per 100g against Black Beans (cooked)'s 8.9g — a 16.9g gap driven mostly by how concentrated or diluted each food naturally is.

Black Beans (cooked) pulls ahead on protein quality specifically (incomplete on its own — low in methionine, pairs well with grains), even in categories where Peanuts (dry roasted) wins on raw grams.

Cost is roughly comparable between the two ($), so budget isn't the deciding factor here.

Peanuts (dry roasted)'s typical serving also delivers more leucine (1700mg vs Black Beans (cooked)'s 620mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

If raw protein density is what you're optimizing for, Peanuts (dry roasted) wins clearly. Choose Black Beans (cooked) instead if its lower fat, cost, or prep time matters more to you than the extra grams.

Full nutrition comparison

Per 100gPeanuts (dry roasted)Black Beans (cooked)
Protein25.8g8.9g
Calories567132
Fat49.2g0.5g
Carbs16.1g23.7g
Fiber8.5g8.7g
Quality score0.520.6
Relative cost$$
Prep time0 min90 min

Frequently asked

Which has more protein, peanuts (dry roasted) or black beans (cooked)?

Peanuts (dry roasted) has 25.8g of protein per 100g compared to Black Beans (cooked)'s 8.9g.

Which is lower in calories?

Black Beans (cooked) is lower in calories per 100g, at 132 vs the other's 567.