Restaurant Brands International vs. McDonald's: Comparing Revenue Trends for These Fast-Food Giants

McDonald's maintains significantly higher quarterly revenues ($6.0-7.1 billion) compared to Restaurant Brands International ($2.1-2.5 billion), though both show year-over-year growth. RBI's Burger King brand achieved 6% comparable store sales growth in Q1 2026 with strong 11% international expansion, while McDonald's reported 4% comparable store sales growth but faces investor concerns over inflation and rising labor costs pressuring margins.