Samsung's head of mobile business, J.K. Shin, reportedly earns more than his Apple rival Tim Cook, according to a report by Reuters.

The South Korean firm confirmed this week that Shin received a $5.8 million compensation package last year.

The biggest technology company in the world, by revenue, said Shin's pack included a base salary of 1.17 billion won and 1.6 billion won "in incentives and performance bonus," according to Reuters.

Apple CEO Cook received $4.25 million in 2013, a slight increase from the $4.17 million he earned the previous year.

Shin has led Samsung's mobile business since 2009.

Since Shin has taken over, he has overseen the launch of its flagship Galaxy handsets that helped the company overtake Apple in the smartphone market.

Samsung's other co-chief executive Kwon Oh-hyun earned even more, taking home 6.77 billion won, according to Reuters.

Oh-hyun leads the component business.

Third co-CEO Yoon Boo-keun, the head of its consumer electronics business, earned 5.09 billion won last year.

Regulations were changed last year by South Korean financial authorities, who now require listed companies to include annual compensation details of executives who make more than 500 million won in their business reports filings, according to Reuters.

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