SEOUL, July 31 (Xinhua) -- South Korea's tech giant Samsung Electronics recorded an earnings growth in the second quarter mainly due to brisk chip business, the company said Tuesday.

Operating profit was 14.87 trillion won (13.29 billion U.S. dollars) in the April-June quarter, up 5.7 percent from the same period of last year.

It was down 4.9 percent from the previous quarter, which posted the record quarterly profit, but it kept a year-over-year growth trend due to robust semiconductor sales.

Revenue shed 4.1 percent over the year to 58.48 trillion won (52.27 billion U.S. dollars) in the June quarter, and net income inched down 0.1 percent to 11 trillion won (9.8 billion U.S. dollars).

Samsung's chip-making unit logged a record quarterly operating profit of 11.61 trillion won (10.38 billion U.S. dollars) in the second quarter on revenue of 21.99 trillion won (19.65 billion U.S. dollars).

The chip division's operating profit accounted for almost 80 percent of Samsung's total profit in the quarter.

The display panel business recorded an operating profit of 140 billion won (125 million U.S. dollars) on revenue of 5.67 trillion won (5.07 billion U.S. dollars).

The IT & Mobile (IM) division, which makes smartphones, posted an operating profit of 2.67 trillion won (2.39 billion U.S. dollars) on revenue of 24 trillion won (21.5 billion U.S. dollars).

The consumer electronics unit registered an operating profit of 510 billion won (456 million U.S. dollars) on revenue of 10.4 trillion won (9.3 billion U.S. dollars).