Comparable sales at Burger King, which is known for its Whopper burgers and onion rings, rose 3.6 percent in the third quarter ended Sept. 30.

Analysts on average had expected a rise of 2.6 percent, according to research firm Consensus Metrix.

Restaurant Brands, which bought Popeyes Louisiana Kitchen in February, said total revenue rose 12.4 percent to $1.21 billion, with sales rising across its businesses.

Net profit attributable to shareholders rose 6 percent to $91.4 million, or 37 cents per share.

Excluding items, the company earned 58 cents per share, beating analysts' estimates by 9 cents, according to Thomson Reuters I/B/E/S.

(Reporting by Yashaswini Swamynathan in Bengaluru; Editing by Maju Samuel)