Big Mac® vs Whopper Sandwich

The flagship rivalry: McDonald's icon vs Burger King's flame-grilled answer.

Big Mac®

25gprotein
580calories
45gcarbs
34gfat

Source: McDonald's website · vintage 2026

Whopper Sandwich

28gprotein
500calories
49gcarbs
22gfat

Source: Burger King menu (via MenuStat) · vintage 2018 · 249 g

The verdict

Most protein
Whopper Sandwich

28g vs 25g — a 3g gap

Fewest calories
Whopper Sandwich

500 vs 580 cal — 80 fewer

Best protein per 100 cal
Whopper Sandwich

5.6g vs 4.3g

Least fat
Whopper Sandwich

22g vs 34g

More protein isn't automatically the better pick — it depends on your goals. Numbers are the chains' own published figures; vintages differ, so treat older ones as a guide.

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